diff --git a/.gitignore b/RMI/.gitignore
similarity index 100%
rename from .gitignore
rename to RMI/.gitignore
diff --git a/README.md b/RMI/README.md
similarity index 100%
rename from README.md
rename to RMI/README.md
diff --git a/banking-client/pom.xml b/RMI/banking-client/pom.xml
similarity index 100%
rename from banking-client/pom.xml
rename to RMI/banking-client/pom.xml
diff --git a/banking-client/src/main/java/ufrn/imd/BankingClientApp.java b/RMI/banking-client/src/main/java/ufrn/imd/BankingClientApp.java
similarity index 100%
rename from banking-client/src/main/java/ufrn/imd/BankingClientApp.java
rename to RMI/banking-client/src/main/java/ufrn/imd/BankingClientApp.java
diff --git a/banking-client/src/main/java/ufrn/imd/controller/Controller.java b/RMI/banking-client/src/main/java/ufrn/imd/controller/Controller.java
similarity index 100%
rename from banking-client/src/main/java/ufrn/imd/controller/Controller.java
rename to RMI/banking-client/src/main/java/ufrn/imd/controller/Controller.java
diff --git a/banking-client/src/main/java/ufrn/imd/domain/Account.java b/RMI/banking-client/src/main/java/ufrn/imd/domain/Account.java
similarity index 100%
rename from banking-client/src/main/java/ufrn/imd/domain/Account.java
rename to RMI/banking-client/src/main/java/ufrn/imd/domain/Account.java
diff --git a/banking-client/src/main/java/ufrn/imd/domain/Client.java b/RMI/banking-client/src/main/java/ufrn/imd/domain/Client.java
similarity index 100%
rename from banking-client/src/main/java/ufrn/imd/domain/Client.java
rename to RMI/banking-client/src/main/java/ufrn/imd/domain/Client.java
diff --git a/banking-client/src/main/java/ufrn/imd/utils/MachineState.java b/RMI/banking-client/src/main/java/ufrn/imd/utils/MachineState.java
similarity index 100%
rename from banking-client/src/main/java/ufrn/imd/utils/MachineState.java
rename to RMI/banking-client/src/main/java/ufrn/imd/utils/MachineState.java
diff --git a/banking-client/src/main/java/ufrn/imd/utils/NameSpace.java b/RMI/banking-client/src/main/java/ufrn/imd/utils/NameSpace.java
similarity index 100%
rename from banking-client/src/main/java/ufrn/imd/utils/NameSpace.java
rename to RMI/banking-client/src/main/java/ufrn/imd/utils/NameSpace.java
diff --git a/banking-client/src/main/java/ufrn/imd/utils/ServerResponse.java b/RMI/banking-client/src/main/java/ufrn/imd/utils/ServerResponse.java
similarity index 100%
rename from banking-client/src/main/java/ufrn/imd/utils/ServerResponse.java
rename to RMI/banking-client/src/main/java/ufrn/imd/utils/ServerResponse.java
diff --git a/banking-client/src/main/java/ufrn/imd/utils/message/DepositMessage.java b/RMI/banking-client/src/main/java/ufrn/imd/utils/message/DepositMessage.java
similarity index 100%
rename from banking-client/src/main/java/ufrn/imd/utils/message/DepositMessage.java
rename to RMI/banking-client/src/main/java/ufrn/imd/utils/message/DepositMessage.java
diff --git a/banking-client/src/main/java/ufrn/imd/utils/message/TransferMessage.java b/RMI/banking-client/src/main/java/ufrn/imd/utils/message/TransferMessage.java
similarity index 100%
rename from banking-client/src/main/java/ufrn/imd/utils/message/TransferMessage.java
rename to RMI/banking-client/src/main/java/ufrn/imd/utils/message/TransferMessage.java
diff --git a/banking-client/src/main/java/ufrn/imd/utils/message/WithdrawalMessage.java b/RMI/banking-client/src/main/java/ufrn/imd/utils/message/WithdrawalMessage.java
similarity index 100%
rename from banking-client/src/main/java/ufrn/imd/utils/message/WithdrawalMessage.java
rename to RMI/banking-client/src/main/java/ufrn/imd/utils/message/WithdrawalMessage.java
diff --git a/banking-server/.idea/.gitignore b/RMI/banking-server/.idea/.gitignore
similarity index 100%
rename from banking-server/.idea/.gitignore
rename to RMI/banking-server/.idea/.gitignore
diff --git a/banking-server/.idea/compiler.xml b/RMI/banking-server/.idea/compiler.xml
similarity index 100%
rename from banking-server/.idea/compiler.xml
rename to RMI/banking-server/.idea/compiler.xml
diff --git a/banking-server/.idea/dbnavigator.xml b/RMI/banking-server/.idea/dbnavigator.xml
similarity index 100%
rename from banking-server/.idea/dbnavigator.xml
rename to RMI/banking-server/.idea/dbnavigator.xml
diff --git a/banking-server/.idea/jarRepositories.xml b/RMI/banking-server/.idea/jarRepositories.xml
similarity index 100%
rename from banking-server/.idea/jarRepositories.xml
rename to RMI/banking-server/.idea/jarRepositories.xml
diff --git a/banking-server/.idea/misc.xml b/RMI/banking-server/.idea/misc.xml
similarity index 100%
rename from banking-server/.idea/misc.xml
rename to RMI/banking-server/.idea/misc.xml
diff --git a/banking-server/.idea/uiDesigner.xml b/RMI/banking-server/.idea/uiDesigner.xml
similarity index 100%
rename from banking-server/.idea/uiDesigner.xml
rename to RMI/banking-server/.idea/uiDesigner.xml
diff --git a/banking-server/.idea/vcs.xml b/RMI/banking-server/.idea/vcs.xml
similarity index 100%
rename from banking-server/.idea/vcs.xml
rename to RMI/banking-server/.idea/vcs.xml
diff --git a/banking-server/pom.xml b/RMI/banking-server/pom.xml
similarity index 100%
rename from banking-server/pom.xml
rename to RMI/banking-server/pom.xml
diff --git a/banking-server/src/main/java/ufrn/imd/BankingServerApp.java b/RMI/banking-server/src/main/java/ufrn/imd/BankingServerApp.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/BankingServerApp.java
rename to RMI/banking-server/src/main/java/ufrn/imd/BankingServerApp.java
diff --git a/banking-server/src/main/java/ufrn/imd/controller/Controller.java b/RMI/banking-server/src/main/java/ufrn/imd/controller/Controller.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/controller/Controller.java
rename to RMI/banking-server/src/main/java/ufrn/imd/controller/Controller.java
diff --git a/banking-server/src/main/java/ufrn/imd/controller/impl/AuthenticatorControllerImpl.java b/RMI/banking-server/src/main/java/ufrn/imd/controller/impl/AuthenticatorControllerImpl.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/controller/impl/AuthenticatorControllerImpl.java
rename to RMI/banking-server/src/main/java/ufrn/imd/controller/impl/AuthenticatorControllerImpl.java
diff --git a/banking-server/src/main/java/ufrn/imd/controller/impl/BalanceControllerImpl.java b/RMI/banking-server/src/main/java/ufrn/imd/controller/impl/BalanceControllerImpl.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/controller/impl/BalanceControllerImpl.java
rename to RMI/banking-server/src/main/java/ufrn/imd/controller/impl/BalanceControllerImpl.java
diff --git a/banking-server/src/main/java/ufrn/imd/controller/impl/DepositControllerImpl.java b/RMI/banking-server/src/main/java/ufrn/imd/controller/impl/DepositControllerImpl.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/controller/impl/DepositControllerImpl.java
rename to RMI/banking-server/src/main/java/ufrn/imd/controller/impl/DepositControllerImpl.java
diff --git a/banking-server/src/main/java/ufrn/imd/controller/impl/TransferControllerImpl.java b/RMI/banking-server/src/main/java/ufrn/imd/controller/impl/TransferControllerImpl.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/controller/impl/TransferControllerImpl.java
rename to RMI/banking-server/src/main/java/ufrn/imd/controller/impl/TransferControllerImpl.java
diff --git a/banking-server/src/main/java/ufrn/imd/controller/impl/WithdrawalControllerImpl.java b/RMI/banking-server/src/main/java/ufrn/imd/controller/impl/WithdrawalControllerImpl.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/controller/impl/WithdrawalControllerImpl.java
rename to RMI/banking-server/src/main/java/ufrn/imd/controller/impl/WithdrawalControllerImpl.java
diff --git a/banking-server/src/main/java/ufrn/imd/domain/Account.java b/RMI/banking-server/src/main/java/ufrn/imd/domain/Account.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/domain/Account.java
rename to RMI/banking-server/src/main/java/ufrn/imd/domain/Account.java
diff --git a/banking-server/src/main/java/ufrn/imd/domain/Client.java b/RMI/banking-server/src/main/java/ufrn/imd/domain/Client.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/domain/Client.java
rename to RMI/banking-server/src/main/java/ufrn/imd/domain/Client.java
diff --git a/banking-server/src/main/java/ufrn/imd/repository/Repository.java b/RMI/banking-server/src/main/java/ufrn/imd/repository/Repository.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/repository/Repository.java
rename to RMI/banking-server/src/main/java/ufrn/imd/repository/Repository.java
diff --git a/banking-server/src/main/java/ufrn/imd/repository/impl/ClientRepository.java b/RMI/banking-server/src/main/java/ufrn/imd/repository/impl/ClientRepository.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/repository/impl/ClientRepository.java
rename to RMI/banking-server/src/main/java/ufrn/imd/repository/impl/ClientRepository.java
diff --git a/banking-server/src/main/java/ufrn/imd/service/Service.java b/RMI/banking-server/src/main/java/ufrn/imd/service/Service.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/service/Service.java
rename to RMI/banking-server/src/main/java/ufrn/imd/service/Service.java
diff --git a/banking-server/src/main/java/ufrn/imd/service/impl/AuthenticatorServiceImpl.java b/RMI/banking-server/src/main/java/ufrn/imd/service/impl/AuthenticatorServiceImpl.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/service/impl/AuthenticatorServiceImpl.java
rename to RMI/banking-server/src/main/java/ufrn/imd/service/impl/AuthenticatorServiceImpl.java
diff --git a/banking-server/src/main/java/ufrn/imd/service/impl/BalanceServiceImpl.java b/RMI/banking-server/src/main/java/ufrn/imd/service/impl/BalanceServiceImpl.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/service/impl/BalanceServiceImpl.java
rename to RMI/banking-server/src/main/java/ufrn/imd/service/impl/BalanceServiceImpl.java
diff --git a/banking-server/src/main/java/ufrn/imd/service/impl/DepositServiceImpl.java b/RMI/banking-server/src/main/java/ufrn/imd/service/impl/DepositServiceImpl.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/service/impl/DepositServiceImpl.java
rename to RMI/banking-server/src/main/java/ufrn/imd/service/impl/DepositServiceImpl.java
diff --git a/banking-server/src/main/java/ufrn/imd/service/impl/TransferServiceImpl.java b/RMI/banking-server/src/main/java/ufrn/imd/service/impl/TransferServiceImpl.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/service/impl/TransferServiceImpl.java
rename to RMI/banking-server/src/main/java/ufrn/imd/service/impl/TransferServiceImpl.java
diff --git a/banking-server/src/main/java/ufrn/imd/service/impl/WithdrawalServiceImpl.java b/RMI/banking-server/src/main/java/ufrn/imd/service/impl/WithdrawalServiceImpl.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/service/impl/WithdrawalServiceImpl.java
rename to RMI/banking-server/src/main/java/ufrn/imd/service/impl/WithdrawalServiceImpl.java
diff --git a/banking-server/src/main/java/ufrn/imd/utils/NameSpace.java b/RMI/banking-server/src/main/java/ufrn/imd/utils/NameSpace.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/utils/NameSpace.java
rename to RMI/banking-server/src/main/java/ufrn/imd/utils/NameSpace.java
diff --git a/banking-server/src/main/java/ufrn/imd/utils/ServerResponse.java b/RMI/banking-server/src/main/java/ufrn/imd/utils/ServerResponse.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/utils/ServerResponse.java
rename to RMI/banking-server/src/main/java/ufrn/imd/utils/ServerResponse.java
diff --git a/banking-server/src/main/java/ufrn/imd/utils/message/DepositMessage.java b/RMI/banking-server/src/main/java/ufrn/imd/utils/message/DepositMessage.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/utils/message/DepositMessage.java
rename to RMI/banking-server/src/main/java/ufrn/imd/utils/message/DepositMessage.java
diff --git a/banking-server/src/main/java/ufrn/imd/utils/message/TransferMessage.java b/RMI/banking-server/src/main/java/ufrn/imd/utils/message/TransferMessage.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/utils/message/TransferMessage.java
rename to RMI/banking-server/src/main/java/ufrn/imd/utils/message/TransferMessage.java
diff --git a/banking-server/src/main/java/ufrn/imd/utils/message/WithdrawalMessage.java b/RMI/banking-server/src/main/java/ufrn/imd/utils/message/WithdrawalMessage.java
similarity index 100%
rename from banking-server/src/main/java/ufrn/imd/utils/message/WithdrawalMessage.java
rename to RMI/banking-server/src/main/java/ufrn/imd/utils/message/WithdrawalMessage.java
diff --git a/WebServices/.DS_Store b/WebServices/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..b88d9b4006e41c048d0b45c2c90453053ee92062
Binary files /dev/null and b/WebServices/.DS_Store differ
diff --git a/WebServices/.gitignore b/WebServices/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..ba5cb5cca8766c8b2403d25de25b1c880c5ef64a
--- /dev/null
+++ b/WebServices/.gitignore
@@ -0,0 +1,26 @@
+HELP.md
+/target/
+!.mvn/wrapper/maven-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+/build/
diff --git a/WebServices/README.MD b/WebServices/README.MD
new file mode 100644
index 0000000000000000000000000000000000000000..980f9571be036f73b8b3f4ddc75a984030e72f00
--- /dev/null
+++ b/WebServices/README.MD
@@ -0,0 +1,22 @@
+# Banquin rest #
+
+## How to run ##
+
+First you need in your machine the programs:
+- maven
+- docker
+- docker compose
+
+Second in the root of the project execute the command:
+``` 
+mvn clean install -DskipTests
+```
+
+After that execute this commands in the root:
+
+``` 
+docker-compose build 
+docker-compose up -d
+```
+
+and vuala! the docker will start each service for you.
diff --git a/WebServices/authenticator/.gitignore b/WebServices/authenticator/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..ba5cb5cca8766c8b2403d25de25b1c880c5ef64a
--- /dev/null
+++ b/WebServices/authenticator/.gitignore
@@ -0,0 +1,26 @@
+HELP.md
+/target/
+!.mvn/wrapper/maven-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+/build/
diff --git a/WebServices/authenticator/.mvn/wrapper/maven-wrapper.jar b/WebServices/authenticator/.mvn/wrapper/maven-wrapper.jar
new file mode 100644
index 0000000000000000000000000000000000000000..c1dd12f17644411d6e840bd5a10c6ecda0175f18
Binary files /dev/null and b/WebServices/authenticator/.mvn/wrapper/maven-wrapper.jar differ
diff --git a/WebServices/authenticator/.mvn/wrapper/maven-wrapper.properties b/WebServices/authenticator/.mvn/wrapper/maven-wrapper.properties
new file mode 100644
index 0000000000000000000000000000000000000000..b7cb93e7050f42ff587aefbc40cc038ad4fa3271
--- /dev/null
+++ b/WebServices/authenticator/.mvn/wrapper/maven-wrapper.properties
@@ -0,0 +1,2 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.4/apache-maven-3.8.4-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar
diff --git a/WebServices/authenticator/Dockerfile b/WebServices/authenticator/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..c67f2ab856e8b1995fa16de97808c16e9703f072
--- /dev/null
+++ b/WebServices/authenticator/Dockerfile
@@ -0,0 +1,3 @@
+FROM openjdk:11
+COPY target/authenticator.jar  authenticator.jar
+ENTRYPOINT ["java","-jar","authenticator.jar"]
\ No newline at end of file
diff --git a/WebServices/authenticator/mvnw b/WebServices/authenticator/mvnw
new file mode 100644
index 0000000000000000000000000000000000000000..8a8fb2282df5b8f7263470a5a2dc0e196f35f35f
--- /dev/null
+++ b/WebServices/authenticator/mvnw
@@ -0,0 +1,316 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /usr/local/etc/mavenrc ] ; then
+    . /usr/local/etc/mavenrc
+  fi
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+    if [ -z "$JAVA_HOME" ]; then
+      if [ -x "/usr/libexec/java_home" ]; then
+        export JAVA_HOME="`/usr/libexec/java_home`"
+      else
+        export JAVA_HOME="/Library/Java/Home"
+      fi
+    fi
+    ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  PRG="$0"
+
+  # need this for relative symlinks
+  while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+      PRG="$link"
+    else
+      PRG="`dirname "$PRG"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+      else
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
+      fi
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+    fi
+  else
+    JAVACMD="`\\unset -f command; \\command -v java`"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+  if [ -z "$1" ]
+  then
+    echo "Path not specified to find_maven_basedir"
+    return 1
+  fi
+
+  basedir="$1"
+  wdir="$1"
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+    if [ -d "${wdir}" ]; then
+      wdir=`cd "$wdir/.."; pwd`
+    fi
+    # end of workaround
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+  exit 1;
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Found .mvn/wrapper/maven-wrapper.jar"
+    fi
+else
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+    fi
+    if [ -n "$MVNW_REPOURL" ]; then
+      jarUrl="$MVNW_REPOURL/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+    else
+      jarUrl="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+    fi
+    while IFS="=" read key value; do
+      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+      esac
+    done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Downloading from: $jarUrl"
+    fi
+    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+    if $cygwin; then
+      wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
+    fi
+
+    if command -v wget > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found wget ... using wget"
+        fi
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            wget "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+        else
+            wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath" || rm -f "$wrapperJarPath"
+        fi
+    elif command -v curl > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found curl ... using curl"
+        fi
+        if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
+            curl -o "$wrapperJarPath" "$jarUrl" -f
+        else
+            curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
+        fi
+
+    else
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Falling back to using Java to download"
+        fi
+        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        # For Cygwin, switch paths to Windows format before running javac
+        if $cygwin; then
+          javaClass=`cygpath --path --windows "$javaClass"`
+        fi
+        if [ -e "$javaClass" ]; then
+            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Compiling MavenWrapperDownloader.java ..."
+                fi
+                # Compiling the Java class
+                ("$JAVA_HOME/bin/javac" "$javaClass")
+            fi
+            if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                # Running the downloader
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Running MavenWrapperDownloader.java ..."
+                fi
+                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+            fi
+        fi
+    fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+  echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+# Provide a "standardized" way to retrieve the CLI args that will
+# work with both Windows and non-Windows executions.
+MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
+export MAVEN_CMD_LINE_ARGS
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  $MAVEN_DEBUG_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" \
+  "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
diff --git a/WebServices/authenticator/mvnw.cmd b/WebServices/authenticator/mvnw.cmd
new file mode 100644
index 0000000000000000000000000000000000000000..1d8ab018eaf11d9b3a4a90e7818ace373dfbb380
--- /dev/null
+++ b/WebServices/authenticator/mvnw.cmd
@@ -0,0 +1,188 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    https://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_pre.bat" call "%USERPROFILE%\mavenrc_pre.bat" %*
+if exist "%USERPROFILE%\mavenrc_pre.cmd" call "%USERPROFILE%\mavenrc_pre.cmd" %*
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+
+FOR /F "usebackq tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
+    IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Found %WRAPPER_JAR%
+    )
+) else (
+    if not "%MVNW_REPOURL%" == "" (
+        SET DOWNLOAD_URL="%MVNW_REPOURL%/org/apache/maven/wrapper/maven-wrapper/3.1.0/maven-wrapper-3.1.0.jar"
+    )
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Couldn't find %WRAPPER_JAR%, downloading it ...
+        echo Downloading from: %DOWNLOAD_URL%
+    )
+
+    powershell -Command "&{"^
+		"$webclient = new-object System.Net.WebClient;"^
+		"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
+		"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
+		"}"^
+		"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
+		"}"
+    if "%MVNW_VERBOSE%" == "true" (
+        echo Finished downloading %WRAPPER_JAR%
+    )
+)
+@REM End of extension
+
+@REM Provide a "standardized" way to retrieve the CLI args that will
+@REM work with both Windows and non-Windows executions.
+set MAVEN_CMD_LINE_ARGS=%*
+
+%MAVEN_JAVA_EXE% ^
+  %JVM_CONFIG_MAVEN_PROPS% ^
+  %MAVEN_OPTS% ^
+  %MAVEN_DEBUG_OPTS% ^
+  -classpath %WRAPPER_JAR% ^
+  "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" ^
+  %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%"=="" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%USERPROFILE%\mavenrc_post.bat" call "%USERPROFILE%\mavenrc_post.bat"
+if exist "%USERPROFILE%\mavenrc_post.cmd" call "%USERPROFILE%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%"=="on" pause
+
+if "%MAVEN_TERMINATE_CMD%"=="on" exit %ERROR_CODE%
+
+cmd /C exit /B %ERROR_CODE%
diff --git a/WebServices/authenticator/pom.xml b/WebServices/authenticator/pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..255f5f4900e55f89aec2d8309e8d152bab55a82c
--- /dev/null
+++ b/WebServices/authenticator/pom.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>br.ufrn.imd</groupId>
+        <artifactId>dim0614</artifactId>
+        <version>1.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath> <!-- lookup parent from repository -->
+    </parent>
+
+    <artifactId>authenticator</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>authenticator</name>
+    <description>authenticator service</description>
+
+    <properties>
+        <java.version>11</java.version>
+    </properties>
+
+    <build>
+        <finalName>authenticator</finalName>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <executable>true</executable>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.0</version>
+                <configuration>
+                    <source>11</source>
+                    <target>11</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
diff --git a/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/AuthenticatorApplication.java b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/AuthenticatorApplication.java
new file mode 100644
index 0000000000000000000000000000000000000000..6586d0527916a0836469e7cbcd47a184d5efe8c9
--- /dev/null
+++ b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/AuthenticatorApplication.java
@@ -0,0 +1,13 @@
+package br.ufrn.imd.authenticator;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class AuthenticatorApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(AuthenticatorApplication.class, args);
+	}
+
+}
diff --git a/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/controller/AuthenticatorController.java b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/controller/AuthenticatorController.java
new file mode 100644
index 0000000000000000000000000000000000000000..bd44adfbe01e008d4ab503d23edfbb28642e6d80
--- /dev/null
+++ b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/controller/AuthenticatorController.java
@@ -0,0 +1,19 @@
+package br.ufrn.imd.authenticator.controller;
+
+import br.ufrn.imd.authenticator.domain.Client;
+import br.ufrn.imd.authenticator.service.AuthenticatorService;
+import br.ufrn.imd.authenticator.utils.message.CredentialsMessage;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+@RequiredArgsConstructor
+@RestController
+@RequestMapping("/banking/login")
+public class AuthenticatorController {
+    private final AuthenticatorService service;
+
+    @PostMapping
+    public Client authenticate(@RequestBody CredentialsMessage credentials) {
+        return service.authenticate(credentials.getNumber(), credentials.getPassword());
+    }
+}
diff --git a/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/domain/Account.java b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/domain/Account.java
new file mode 100644
index 0000000000000000000000000000000000000000..89dfce19f57d0541b2941cc8db5a4b81f2a0e00c
--- /dev/null
+++ b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/domain/Account.java
@@ -0,0 +1,26 @@
+package br.ufrn.imd.authenticator.domain;
+
+import lombok.*;
+
+import javax.persistence.*;
+import java.io.Serializable;
+
+@Data
+@Entity
+@AllArgsConstructor
+@NoArgsConstructor
+public class Account implements Serializable {
+
+    private static final long serialVersionUID = 2L;
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    @Column(unique = true)
+    private String number;
+
+    private Double balance;
+
+    private String password;
+}
diff --git a/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/domain/Client.java b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/domain/Client.java
new file mode 100644
index 0000000000000000000000000000000000000000..cc4843fd3cb96fdbb3ca07ab044cb0e9fc6d21a2
--- /dev/null
+++ b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/domain/Client.java
@@ -0,0 +1,29 @@
+package br.ufrn.imd.authenticator.domain;
+
+import lombok.*;
+
+import javax.persistence.*;
+import java.io.Serializable;
+
+@Data
+@Entity
+@AllArgsConstructor
+@NoArgsConstructor
+public class Client implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    private String name;
+
+    @OneToOne(cascade = CascadeType.ALL)
+    @JoinColumn(name = "account_id")
+    private Account account;
+
+    public Client(Integer id) {
+        this.id = id;
+    }
+}
diff --git a/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/exception/BadRequestException.java b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/exception/BadRequestException.java
new file mode 100644
index 0000000000000000000000000000000000000000..09b5277c696bcd03b93f638816b95389c752a446
--- /dev/null
+++ b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/exception/BadRequestException.java
@@ -0,0 +1,12 @@
+package br.ufrn.imd.authenticator.exception;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+@ResponseStatus(HttpStatus.BAD_REQUEST)
+public class BadRequestException extends RuntimeException{
+
+    public BadRequestException(String message) {
+        super(message);
+    }
+}
diff --git a/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/exception/BadRequestExceptionDetails.java b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/exception/BadRequestExceptionDetails.java
new file mode 100644
index 0000000000000000000000000000000000000000..99b5002b9980b4396aebb550a70780ce8a417932
--- /dev/null
+++ b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/exception/BadRequestExceptionDetails.java
@@ -0,0 +1,16 @@
+package br.ufrn.imd.authenticator.exception;
+
+import lombok.Builder;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+@Data
+@Builder
+public class BadRequestExceptionDetails {
+    private String title;
+    private int status;
+    private String details;
+    private String developerMessage;
+    private LocalDateTime timestamp;
+}
diff --git a/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/exception/RestExceptionHandler.java b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/exception/RestExceptionHandler.java
new file mode 100644
index 0000000000000000000000000000000000000000..e714d99f4b34bd34d79f9e23e95b6f7f7db40b05
--- /dev/null
+++ b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/exception/RestExceptionHandler.java
@@ -0,0 +1,24 @@
+package br.ufrn.imd.authenticator.exception;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+
+import java.time.LocalDateTime;
+
+@ControllerAdvice
+public class RestExceptionHandler {
+    @ExceptionHandler(BadRequestException.class)
+    public ResponseEntity<BadRequestExceptionDetails> handlerBadRequestException(BadRequestException bre) {
+        return new ResponseEntity<>(
+          BadRequestExceptionDetails.builder()
+                  .timestamp(LocalDateTime.now())
+                  .status(HttpStatus.BAD_REQUEST.value())
+                  .title("Bad Request Exception")
+                  .details(bre.getMessage())
+                  .developerMessage(bre.getClass().getName())
+                  .build(), HttpStatus.BAD_REQUEST
+        );
+    }
+}
diff --git a/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/repository/ClientRepository.java b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/repository/ClientRepository.java
new file mode 100644
index 0000000000000000000000000000000000000000..5e9b5b9a8907e198495a409bd255ab7490fc7a5f
--- /dev/null
+++ b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/repository/ClientRepository.java
@@ -0,0 +1,16 @@
+package br.ufrn.imd.authenticator.repository;
+
+import br.ufrn.imd.authenticator.domain.Client;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.stereotype.Repository;
+
+import java.util.Optional;
+
+@Repository
+public interface ClientRepository extends JpaRepository<Client, Integer> {
+
+    @Query(value = "SELECT c from Client c where c.account.number = ?1")
+    Optional<Client> findByAccountNumber(String number);
+
+}
diff --git a/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/service/AuthenticatorService.java b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/service/AuthenticatorService.java
new file mode 100644
index 0000000000000000000000000000000000000000..9dcfe74a8d19fbffaa53b1e86ce9f45b49ca298e
--- /dev/null
+++ b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/service/AuthenticatorService.java
@@ -0,0 +1,29 @@
+package br.ufrn.imd.authenticator.service;
+
+import br.ufrn.imd.authenticator.domain.Client;
+import br.ufrn.imd.authenticator.exception.BadRequestException;
+import br.ufrn.imd.authenticator.repository.ClientRepository;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.java.Log;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import org.springframework.stereotype.Service;
+
+@Log
+@RequiredArgsConstructor
+@Service
+public class AuthenticatorService {
+    private final ClientRepository clientRepository;
+
+    public Client authenticate(String accountNumber, String password) {
+        Client client = clientRepository.findByAccountNumber(accountNumber)
+                .orElseThrow(() -> new BadRequestException(
+                        String.format("Customer not found with account number %s", accountNumber)));
+
+        if(!new BCryptPasswordEncoder().matches(password, client.getAccount().getPassword())) {
+            throw new BadRequestException("Bad credentials");
+        }
+
+        log.info(client.getName() + " logged in (account number: " + client.getAccount().getNumber() + ")");
+        return client;
+    }
+}
diff --git a/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/utils/DummyData.java b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/utils/DummyData.java
new file mode 100644
index 0000000000000000000000000000000000000000..f4fdab4e8000f289f2f9235b19ad9f018c803ba5
--- /dev/null
+++ b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/utils/DummyData.java
@@ -0,0 +1,29 @@
+package br.ufrn.imd.authenticator.utils;
+
+import br.ufrn.imd.authenticator.domain.Account;
+import br.ufrn.imd.authenticator.domain.Client;
+import br.ufrn.imd.authenticator.repository.ClientRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.PostConstruct;
+
+@RequiredArgsConstructor
+@Component
+public class DummyData {
+    private final ClientRepository clientRepository;
+
+    @PostConstruct
+    public void insert() {
+        if(clientRepository.findAll().isEmpty()) {
+            Client client1 = new Client(null, "Fernando", new Account(null, "123", 3000d,
+                    new BCryptPasswordEncoder().encode("s#nh4")));
+            clientRepository.save(client1);
+
+            Client client2 = new Client(null, "Maria", new Account(null, "321", 3000d,
+                    new BCryptPasswordEncoder().encode("s#nh4")));
+            clientRepository.save(client2);
+        }
+    }
+}
diff --git a/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/utils/message/CredentialsMessage.java b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/utils/message/CredentialsMessage.java
new file mode 100644
index 0000000000000000000000000000000000000000..5853ed2abacfd77d77f9094736617f61c3b426ce
--- /dev/null
+++ b/WebServices/authenticator/src/main/java/br/ufrn/imd/authenticator/utils/message/CredentialsMessage.java
@@ -0,0 +1,15 @@
+package br.ufrn.imd.authenticator.utils.message;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+import java.io.Serializable;
+
+@Data
+@AllArgsConstructor
+public class CredentialsMessage implements Serializable {
+    private static final long serialVersionUID = 2L;
+
+    private String number;
+    private String password;
+}
diff --git a/WebServices/authenticator/src/main/resources/application.yml b/WebServices/authenticator/src/main/resources/application.yml
new file mode 100644
index 0000000000000000000000000000000000000000..b80dfd6f86c3a741a5cbd3653f3deef6e24538a9
--- /dev/null
+++ b/WebServices/authenticator/src/main/resources/application.yml
@@ -0,0 +1,25 @@
+server:
+  port: 8087
+eureka:
+  instance:
+    prefer-ip-address: true
+  client:
+    service-url:
+      defaultZone: http://registry:8081/eureka/
+    fetch-registry: true
+    register-with-eureka: true
+
+spring:
+  application:
+    name: authenticator
+  datasource:
+    url: jdbc:postgresql://postgresServ:5432/postgres
+    username: postgres
+    password: postgres
+  jpa:
+    show-sql: false
+    database-platform: org.hibernate.dialect.PostgreSQL9Dialect
+    hibernate:
+      ddl-auto: update
+  jmx:
+    enabled: false
\ No newline at end of file
diff --git a/WebServices/authenticator/src/test/java/br/ufrn/imd/authenticator/AuthenticatorApplicationTests.java b/WebServices/authenticator/src/test/java/br/ufrn/imd/authenticator/AuthenticatorApplicationTests.java
new file mode 100644
index 0000000000000000000000000000000000000000..fa71124c467ca33b6a744ff47614cd1eae01b9af
--- /dev/null
+++ b/WebServices/authenticator/src/test/java/br/ufrn/imd/authenticator/AuthenticatorApplicationTests.java
@@ -0,0 +1,16 @@
+package br.ufrn.imd.authenticator;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+class AuthenticatorApplicationTests {
+
+	@Test
+	void contextLoads() {
+	}
+
+}
diff --git a/WebServices/balance/.DS_Store b/WebServices/balance/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..5008ddfcf53c02e82d7eee2e57c38e5672ef89f6
Binary files /dev/null and b/WebServices/balance/.DS_Store differ
diff --git a/WebServices/balance/.gitignore b/WebServices/balance/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..ba5cb5cca8766c8b2403d25de25b1c880c5ef64a
--- /dev/null
+++ b/WebServices/balance/.gitignore
@@ -0,0 +1,26 @@
+HELP.md
+/target/
+!.mvn/wrapper/maven-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+/build/
diff --git a/WebServices/balance/.mvn/wrapper/MavenWrapperDownloader.java b/WebServices/balance/.mvn/wrapper/MavenWrapperDownloader.java
new file mode 100644
index 0000000000000000000000000000000000000000..47336fde724164b1329ed3595f5b6bff09f7c179
--- /dev/null
+++ b/WebServices/balance/.mvn/wrapper/MavenWrapperDownloader.java
@@ -0,0 +1,114 @@
+/*
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+*/
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.net.URL;
+import java.nio.channels.Channels;
+import java.nio.channels.ReadableByteChannel;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL =
+            "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if(mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if(mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: : " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if(!outputFile.getParentFile().exists()) {
+            if(!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output direcrory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}
diff --git a/WebServices/balance/.mvn/wrapper/maven-wrapper.jar b/WebServices/balance/.mvn/wrapper/maven-wrapper.jar
new file mode 100644
index 0000000000000000000000000000000000000000..01e67997377a393fd672c7dcde9dccbedf0cb1e9
Binary files /dev/null and b/WebServices/balance/.mvn/wrapper/maven-wrapper.jar differ
diff --git a/WebServices/balance/.mvn/wrapper/maven-wrapper.properties b/WebServices/balance/.mvn/wrapper/maven-wrapper.properties
new file mode 100644
index 0000000000000000000000000000000000000000..cd0d451ccd6fc835996c9fe4eebf8a571154f515
--- /dev/null
+++ b/WebServices/balance/.mvn/wrapper/maven-wrapper.properties
@@ -0,0 +1 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip
diff --git a/WebServices/balance/Dockerfile b/WebServices/balance/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..f92094f4998baba1708d0c49f214ed30d149c7dd
--- /dev/null
+++ b/WebServices/balance/Dockerfile
@@ -0,0 +1,3 @@
+FROM openjdk:11
+COPY target/balance.jar  balance.jar
+ENTRYPOINT ["java","-jar","balance.jar"]
\ No newline at end of file
diff --git a/WebServices/balance/mvnw b/WebServices/balance/mvnw
new file mode 100755
index 0000000000000000000000000000000000000000..5551fde8e7dba1e37a1821e8b26374893e2a9e2e
--- /dev/null
+++ b/WebServices/balance/mvnw
@@ -0,0 +1,286 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven2 Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+    if [ -z "$JAVA_HOME" ]; then
+      if [ -x "/usr/libexec/java_home" ]; then
+        export JAVA_HOME="`/usr/libexec/java_home`"
+      else
+        export JAVA_HOME="/Library/Java/Home"
+      fi
+    fi
+    ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  PRG="$0"
+
+  # need this for relative symlinks
+  while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+      PRG="$link"
+    else
+      PRG="`dirname "$PRG"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+  # TODO classpath?
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+      else
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
+      fi
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+    fi
+  else
+    JAVACMD="`which java`"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+  if [ -z "$1" ]
+  then
+    echo "Path not specified to find_maven_basedir"
+    return 1
+  fi
+
+  basedir="$1"
+  wdir="$1"
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+    if [ -d "${wdir}" ]; then
+      wdir=`cd "$wdir/.."; pwd`
+    fi
+    # end of workaround
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+  exit 1;
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Found .mvn/wrapper/maven-wrapper.jar"
+    fi
+else
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+    fi
+    jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+    while IFS="=" read key value; do
+      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+      esac
+    done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Downloading from: $jarUrl"
+    fi
+    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+
+    if command -v wget > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found wget ... using wget"
+        fi
+        wget "$jarUrl" -O "$wrapperJarPath"
+    elif command -v curl > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found curl ... using curl"
+        fi
+        curl -o "$wrapperJarPath" "$jarUrl"
+    else
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Falling back to using Java to download"
+        fi
+        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        if [ -e "$javaClass" ]; then
+            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Compiling MavenWrapperDownloader.java ..."
+                fi
+                # Compiling the Java class
+                ("$JAVA_HOME/bin/javac" "$javaClass")
+            fi
+            if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                # Running the downloader
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Running MavenWrapperDownloader.java ..."
+                fi
+                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+            fi
+        fi
+    fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+  echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
diff --git a/WebServices/balance/mvnw.cmd b/WebServices/balance/mvnw.cmd
new file mode 100644
index 0000000000000000000000000000000000000000..e5cfb0ae9eab80c314b7d79c164d4a00772824b8
--- /dev/null
+++ b/WebServices/balance/mvnw.cmd
@@ -0,0 +1,161 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven2 Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing my setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
+if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+FOR /F "tokens=1,2 delims==" %%A IN (%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties) DO (
+	IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B 
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    echo Found %WRAPPER_JAR%
+) else (
+    echo Couldn't find %WRAPPER_JAR%, downloading it ...
+	echo Downloading from: %DOWNLOAD_URL%
+    powershell -Command "(New-Object Net.WebClient).DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"
+    echo Finished downloading %WRAPPER_JAR%
+)
+@REM End of extension
+
+%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
+if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%" == "on" pause
+
+if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
+
+exit /B %ERROR_CODE%
diff --git a/WebServices/balance/pom.xml b/WebServices/balance/pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..0c76aad734c7c68a4339f8a8a4a2b138d58483ce
--- /dev/null
+++ b/WebServices/balance/pom.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>br.ufrn.imd</groupId>
+        <artifactId>dim0614</artifactId>
+        <version>1.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath> <!-- lookup parent from repository -->
+    </parent>
+
+    <artifactId>balance</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>balance</name>
+    <description>balance service</description>
+
+    <properties>
+        <java.version>11</java.version>
+    </properties>
+
+    <build>
+        <finalName>balance</finalName>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <executable>true</executable>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.0</version>
+                <configuration>
+                    <source>11</source>
+                    <target>11</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
diff --git a/WebServices/balance/src/main/java/br/ufrn/imd/balance/BalanceApplication.java b/WebServices/balance/src/main/java/br/ufrn/imd/balance/BalanceApplication.java
new file mode 100644
index 0000000000000000000000000000000000000000..0d31538e08fea69fb74fa2cb12d7b26c68645be5
--- /dev/null
+++ b/WebServices/balance/src/main/java/br/ufrn/imd/balance/BalanceApplication.java
@@ -0,0 +1,13 @@
+package br.ufrn.imd.balance;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class BalanceApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(BalanceApplication.class, args);
+	}
+
+}
diff --git a/WebServices/balance/src/main/java/br/ufrn/imd/balance/controller/BalanceController.java b/WebServices/balance/src/main/java/br/ufrn/imd/balance/controller/BalanceController.java
new file mode 100644
index 0000000000000000000000000000000000000000..b07124dcf4301fb48e300c385ffac6ceb21179d8
--- /dev/null
+++ b/WebServices/balance/src/main/java/br/ufrn/imd/balance/controller/BalanceController.java
@@ -0,0 +1,18 @@
+package br.ufrn.imd.balance.controller;
+
+import br.ufrn.imd.balance.domain.Client;
+import br.ufrn.imd.balance.service.BalanceService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+@RequiredArgsConstructor
+@RestController
+@RequestMapping("/banking/client/{id}")
+public class BalanceController {
+    private final BalanceService service;
+
+    @GetMapping
+    public Client balance(@PathVariable Integer id) {
+        return service.balance(new Client(id));
+    }
+}
diff --git a/WebServices/balance/src/main/java/br/ufrn/imd/balance/domain/Account.java b/WebServices/balance/src/main/java/br/ufrn/imd/balance/domain/Account.java
new file mode 100644
index 0000000000000000000000000000000000000000..7c88d61e743d37152cfbaf2923e4e481891a5113
--- /dev/null
+++ b/WebServices/balance/src/main/java/br/ufrn/imd/balance/domain/Account.java
@@ -0,0 +1,26 @@
+package br.ufrn.imd.balance.domain;
+
+import lombok.*;
+
+import javax.persistence.*;
+import java.io.Serializable;
+
+@Data
+@Entity
+@AllArgsConstructor
+@NoArgsConstructor
+public class Account implements Serializable {
+
+    private static final long serialVersionUID = 2L;
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    @Column(unique = true)
+    private String number;
+
+    private Double balance;
+
+    private String password;
+}
diff --git a/WebServices/balance/src/main/java/br/ufrn/imd/balance/domain/Client.java b/WebServices/balance/src/main/java/br/ufrn/imd/balance/domain/Client.java
new file mode 100644
index 0000000000000000000000000000000000000000..c6ddcb0615c190ce29ab9419d2043ac70cdee50e
--- /dev/null
+++ b/WebServices/balance/src/main/java/br/ufrn/imd/balance/domain/Client.java
@@ -0,0 +1,29 @@
+package br.ufrn.imd.balance.domain;
+
+import lombok.*;
+
+import javax.persistence.*;
+import java.io.Serializable;
+
+@Data
+@Entity
+@AllArgsConstructor
+@NoArgsConstructor
+public class Client implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    private String name;
+
+    @OneToOne(cascade = CascadeType.ALL)
+    @JoinColumn(name = "account_id")
+    private Account account;
+
+    public Client(Integer id) {
+        this.id = id;
+    }
+}
diff --git a/WebServices/balance/src/main/java/br/ufrn/imd/balance/exception/BadRequestException.java b/WebServices/balance/src/main/java/br/ufrn/imd/balance/exception/BadRequestException.java
new file mode 100644
index 0000000000000000000000000000000000000000..e5045a33fc88da110d9b0a36bdbcfe8ded387974
--- /dev/null
+++ b/WebServices/balance/src/main/java/br/ufrn/imd/balance/exception/BadRequestException.java
@@ -0,0 +1,12 @@
+package br.ufrn.imd.balance.exception;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+@ResponseStatus(HttpStatus.BAD_REQUEST)
+public class BadRequestException extends RuntimeException{
+
+    public BadRequestException(String message) {
+        super(message);
+    }
+}
diff --git a/WebServices/balance/src/main/java/br/ufrn/imd/balance/exception/BadRequestExceptionDetails.java b/WebServices/balance/src/main/java/br/ufrn/imd/balance/exception/BadRequestExceptionDetails.java
new file mode 100644
index 0000000000000000000000000000000000000000..da6cf5c88148c93556fb440e7ad8cc099c3c7c54
--- /dev/null
+++ b/WebServices/balance/src/main/java/br/ufrn/imd/balance/exception/BadRequestExceptionDetails.java
@@ -0,0 +1,16 @@
+package br.ufrn.imd.balance.exception;
+
+import lombok.Builder;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+@Data
+@Builder
+public class BadRequestExceptionDetails {
+    private String title;
+    private int status;
+    private String details;
+    private String developerMessage;
+    private LocalDateTime timestamp;
+}
diff --git a/WebServices/balance/src/main/java/br/ufrn/imd/balance/exception/RestExceptionHandler.java b/WebServices/balance/src/main/java/br/ufrn/imd/balance/exception/RestExceptionHandler.java
new file mode 100644
index 0000000000000000000000000000000000000000..706ae7ddcf08250cfd6d4ae976dca903df403491
--- /dev/null
+++ b/WebServices/balance/src/main/java/br/ufrn/imd/balance/exception/RestExceptionHandler.java
@@ -0,0 +1,24 @@
+package br.ufrn.imd.balance.exception;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+
+import java.time.LocalDateTime;
+
+@ControllerAdvice
+public class RestExceptionHandler {
+    @ExceptionHandler(BadRequestException.class)
+    public ResponseEntity<BadRequestExceptionDetails> handlerBadRequestException(BadRequestException bre) {
+        return new ResponseEntity<>(
+          BadRequestExceptionDetails.builder()
+                  .timestamp(LocalDateTime.now())
+                  .status(HttpStatus.BAD_REQUEST.value())
+                  .title("Bad Request Exception")
+                  .details(bre.getMessage())
+                  .developerMessage(bre.getClass().getName())
+                  .build(), HttpStatus.BAD_REQUEST
+        );
+    }
+}
diff --git a/WebServices/balance/src/main/java/br/ufrn/imd/balance/repository/ClientRepository.java b/WebServices/balance/src/main/java/br/ufrn/imd/balance/repository/ClientRepository.java
new file mode 100644
index 0000000000000000000000000000000000000000..78efb735c6634daf9cbaacc08f0855d2c7e30f74
--- /dev/null
+++ b/WebServices/balance/src/main/java/br/ufrn/imd/balance/repository/ClientRepository.java
@@ -0,0 +1,9 @@
+package br.ufrn.imd.balance.repository;
+
+import br.ufrn.imd.balance.domain.Client;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface ClientRepository extends JpaRepository<Client, Integer> {
+}
diff --git a/WebServices/balance/src/main/java/br/ufrn/imd/balance/service/BalanceService.java b/WebServices/balance/src/main/java/br/ufrn/imd/balance/service/BalanceService.java
new file mode 100644
index 0000000000000000000000000000000000000000..a53fadab653b264296e3ea71c9d4bf638de97b5a
--- /dev/null
+++ b/WebServices/balance/src/main/java/br/ufrn/imd/balance/service/BalanceService.java
@@ -0,0 +1,25 @@
+package br.ufrn.imd.balance.service;
+
+import br.ufrn.imd.balance.domain.Account;
+import br.ufrn.imd.balance.domain.Client;
+import br.ufrn.imd.balance.exception.BadRequestException;
+import br.ufrn.imd.balance.repository.ClientRepository;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.java.Log;
+import org.springframework.stereotype.Service;
+
+@Log
+@Service
+@RequiredArgsConstructor
+public class BalanceService {
+    private final ClientRepository clientRepository;
+
+    public Client balance(Client client) {
+        Client persistedClient = clientRepository.findById(client.getId())
+                .orElseThrow(() -> new BadRequestException("Invalid user!"));
+        Account account = persistedClient.getAccount();
+        log.info(String.format("Account Balance: R$ %.2f", account.getBalance()));
+
+        return persistedClient;
+    }
+}
diff --git a/WebServices/balance/src/main/resources/application.yml b/WebServices/balance/src/main/resources/application.yml
new file mode 100644
index 0000000000000000000000000000000000000000..920fb9b102878eecba51a5eaa535cec246c296fd
--- /dev/null
+++ b/WebServices/balance/src/main/resources/application.yml
@@ -0,0 +1,25 @@
+server:
+  port: 8084
+eureka:
+  instance:
+    prefer-ip-address: true
+  client:
+    service-url:
+      defaultZone: http://registry:8081/eureka/
+    fetch-registry: true
+    register-with-eureka: true
+
+spring:
+  application:
+    name: balance
+  datasource:
+    url: jdbc:postgresql://postgresServ:5432/postgres
+    username: postgres
+    password: postgres
+  jpa:
+    show-sql: false
+    database-platform: org.hibernate.dialect.PostgreSQL9Dialect
+    hibernate:
+      ddl-auto: update
+  jmx:
+    enabled: false
\ No newline at end of file
diff --git a/WebServices/balance/src/test/java/br/ufrn/imd/withdrawal/CourseApplicationTests.java b/WebServices/balance/src/test/java/br/ufrn/imd/withdrawal/CourseApplicationTests.java
new file mode 100644
index 0000000000000000000000000000000000000000..b84743fe08d4bfdafd2ba2588a9a532fa80fa854
--- /dev/null
+++ b/WebServices/balance/src/test/java/br/ufrn/imd/withdrawal/CourseApplicationTests.java
@@ -0,0 +1,16 @@
+package br.ufrn.imd.withdrawal;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class CourseApplicationTests {
+
+	@Test
+	public void contextLoads() {
+	}
+
+}
diff --git a/WebServices/balance/target/classes/application.yml b/WebServices/balance/target/classes/application.yml
new file mode 100644
index 0000000000000000000000000000000000000000..920fb9b102878eecba51a5eaa535cec246c296fd
--- /dev/null
+++ b/WebServices/balance/target/classes/application.yml
@@ -0,0 +1,25 @@
+server:
+  port: 8084
+eureka:
+  instance:
+    prefer-ip-address: true
+  client:
+    service-url:
+      defaultZone: http://registry:8081/eureka/
+    fetch-registry: true
+    register-with-eureka: true
+
+spring:
+  application:
+    name: balance
+  datasource:
+    url: jdbc:postgresql://postgresServ:5432/postgres
+    username: postgres
+    password: postgres
+  jpa:
+    show-sql: false
+    database-platform: org.hibernate.dialect.PostgreSQL9Dialect
+    hibernate:
+      ddl-auto: update
+  jmx:
+    enabled: false
\ No newline at end of file
diff --git a/WebServices/balance/target/classes/br/ufrn/imd/balance/BalanceApplication.class b/WebServices/balance/target/classes/br/ufrn/imd/balance/BalanceApplication.class
new file mode 100644
index 0000000000000000000000000000000000000000..954080045c0ccad237634742e89490f67f07358f
Binary files /dev/null and b/WebServices/balance/target/classes/br/ufrn/imd/balance/BalanceApplication.class differ
diff --git a/WebServices/balance/target/classes/br/ufrn/imd/balance/controller/BalanceController.class b/WebServices/balance/target/classes/br/ufrn/imd/balance/controller/BalanceController.class
new file mode 100644
index 0000000000000000000000000000000000000000..ed4081f2b3cf0f4b4cdee5124506d97eac2803f3
Binary files /dev/null and b/WebServices/balance/target/classes/br/ufrn/imd/balance/controller/BalanceController.class differ
diff --git a/WebServices/balance/target/classes/br/ufrn/imd/balance/domain/Account.class b/WebServices/balance/target/classes/br/ufrn/imd/balance/domain/Account.class
new file mode 100644
index 0000000000000000000000000000000000000000..7a7de1665a1dfef9805b0d6a5027bbc5799f5025
Binary files /dev/null and b/WebServices/balance/target/classes/br/ufrn/imd/balance/domain/Account.class differ
diff --git a/WebServices/balance/target/classes/br/ufrn/imd/balance/domain/Client.class b/WebServices/balance/target/classes/br/ufrn/imd/balance/domain/Client.class
new file mode 100644
index 0000000000000000000000000000000000000000..63619d95b4b2833fc5ba0e309c04faf5a96fbcfb
Binary files /dev/null and b/WebServices/balance/target/classes/br/ufrn/imd/balance/domain/Client.class differ
diff --git a/WebServices/balance/target/classes/br/ufrn/imd/balance/repository/ClientRepository.class b/WebServices/balance/target/classes/br/ufrn/imd/balance/repository/ClientRepository.class
new file mode 100644
index 0000000000000000000000000000000000000000..712598f71b37c3cbba4cc4f301c93fcfe4229165
Binary files /dev/null and b/WebServices/balance/target/classes/br/ufrn/imd/balance/repository/ClientRepository.class differ
diff --git a/WebServices/balance/target/classes/br/ufrn/imd/balance/service/BalanceService.class b/WebServices/balance/target/classes/br/ufrn/imd/balance/service/BalanceService.class
new file mode 100644
index 0000000000000000000000000000000000000000..6cb5c3ea9d7829d9e2493d1a707f1944ba4dd65c
Binary files /dev/null and b/WebServices/balance/target/classes/br/ufrn/imd/balance/service/BalanceService.class differ
diff --git a/WebServices/balance/target/maven-archiver/pom.properties b/WebServices/balance/target/maven-archiver/pom.properties
new file mode 100644
index 0000000000000000000000000000000000000000..9c45c41d2c312d08c4537905879c7e190686aedc
--- /dev/null
+++ b/WebServices/balance/target/maven-archiver/pom.properties
@@ -0,0 +1,4 @@
+#Created by Apache Maven 3.8.4
+groupId=br.ufrn.imd
+artifactId=balance
+version=0.0.1-SNAPSHOT
diff --git a/WebServices/balance/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst b/WebServices/balance/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
new file mode 100644
index 0000000000000000000000000000000000000000..ca2a7b017b942c116d5545fe5b4f2461de1d3337
--- /dev/null
+++ b/WebServices/balance/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
@@ -0,0 +1,10 @@
+br\ufrn\imd\balance\BalanceApplication.class
+br\ufrn\imd\balance\controller\BalanceController.class
+br\ufrn\imd\balance\domain\Account.class
+br\ufrn\imd\balance\exception\RestExceptionHandler.class
+br\ufrn\imd\balance\exception\BadRequestException.class
+br\ufrn\imd\balance\domain\Client.class
+br\ufrn\imd\balance\exception\BadRequestExceptionDetails$BadRequestExceptionDetailsBuilder.class
+br\ufrn\imd\balance\exception\BadRequestExceptionDetails.class
+br\ufrn\imd\balance\repository\ClientRepository.class
+br\ufrn\imd\balance\service\BalanceService.class
diff --git a/WebServices/balance/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst b/WebServices/balance/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
new file mode 100644
index 0000000000000000000000000000000000000000..8485643f57e4481b76b30b013685a086d815c132
--- /dev/null
+++ b/WebServices/balance/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
@@ -0,0 +1,9 @@
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\balance\src\main\java\br\ufrn\imd\balance\repository\ClientRepository.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\balance\src\main\java\br\ufrn\imd\balance\exception\BadRequestException.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\balance\src\main\java\br\ufrn\imd\balance\exception\RestExceptionHandler.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\balance\src\main\java\br\ufrn\imd\balance\controller\BalanceController.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\balance\src\main\java\br\ufrn\imd\balance\BalanceApplication.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\balance\src\main\java\br\ufrn\imd\balance\service\BalanceService.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\balance\src\main\java\br\ufrn\imd\balance\domain\Account.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\balance\src\main\java\br\ufrn\imd\balance\domain\Client.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\balance\src\main\java\br\ufrn\imd\balance\exception\BadRequestExceptionDetails.java
diff --git a/WebServices/balance/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst b/WebServices/balance/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst
new file mode 100644
index 0000000000000000000000000000000000000000..3a5345ad0769a7ebacaabdd4abc78f4ee36396a5
--- /dev/null
+++ b/WebServices/balance/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst
@@ -0,0 +1 @@
+br\ufrn\imd\withdrawal\CourseApplicationTests.class
diff --git a/WebServices/balance/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst b/WebServices/balance/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst
new file mode 100644
index 0000000000000000000000000000000000000000..62020966d6bf88c17ef9d9e53124898e1e9dc931
--- /dev/null
+++ b/WebServices/balance/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst
@@ -0,0 +1 @@
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\balance\src\test\java\br\ufrn\imd\withdrawal\CourseApplicationTests.java
diff --git a/WebServices/client/.DS_Store b/WebServices/client/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..5008ddfcf53c02e82d7eee2e57c38e5672ef89f6
Binary files /dev/null and b/WebServices/client/.DS_Store differ
diff --git a/WebServices/client/.gitignore b/WebServices/client/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..ba5cb5cca8766c8b2403d25de25b1c880c5ef64a
--- /dev/null
+++ b/WebServices/client/.gitignore
@@ -0,0 +1,26 @@
+HELP.md
+/target/
+!.mvn/wrapper/maven-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+/build/
diff --git a/WebServices/client/.mvn/wrapper/MavenWrapperDownloader.java b/WebServices/client/.mvn/wrapper/MavenWrapperDownloader.java
new file mode 100644
index 0000000000000000000000000000000000000000..47336fde724164b1329ed3595f5b6bff09f7c179
--- /dev/null
+++ b/WebServices/client/.mvn/wrapper/MavenWrapperDownloader.java
@@ -0,0 +1,114 @@
+/*
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+*/
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.net.URL;
+import java.nio.channels.Channels;
+import java.nio.channels.ReadableByteChannel;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL =
+            "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if(mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if(mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: : " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if(!outputFile.getParentFile().exists()) {
+            if(!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output direcrory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}
diff --git a/WebServices/client/.mvn/wrapper/maven-wrapper.jar b/WebServices/client/.mvn/wrapper/maven-wrapper.jar
new file mode 100644
index 0000000000000000000000000000000000000000..01e67997377a393fd672c7dcde9dccbedf0cb1e9
Binary files /dev/null and b/WebServices/client/.mvn/wrapper/maven-wrapper.jar differ
diff --git a/WebServices/client/.mvn/wrapper/maven-wrapper.properties b/WebServices/client/.mvn/wrapper/maven-wrapper.properties
new file mode 100644
index 0000000000000000000000000000000000000000..cd0d451ccd6fc835996c9fe4eebf8a571154f515
--- /dev/null
+++ b/WebServices/client/.mvn/wrapper/maven-wrapper.properties
@@ -0,0 +1 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip
diff --git a/WebServices/client/Dockerfile b/WebServices/client/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..9885e7466359c0bd6426716ab718c12064632b70
--- /dev/null
+++ b/WebServices/client/Dockerfile
@@ -0,0 +1,3 @@
+FROM openjdk:11
+COPY target/withdrawal.jar  withdrawal.jar
+ENTRYPOINT ["java","-jar","withdrawal.jar"]
\ No newline at end of file
diff --git a/WebServices/client/mvnw b/WebServices/client/mvnw
new file mode 100755
index 0000000000000000000000000000000000000000..5551fde8e7dba1e37a1821e8b26374893e2a9e2e
--- /dev/null
+++ b/WebServices/client/mvnw
@@ -0,0 +1,286 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven2 Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+    if [ -z "$JAVA_HOME" ]; then
+      if [ -x "/usr/libexec/java_home" ]; then
+        export JAVA_HOME="`/usr/libexec/java_home`"
+      else
+        export JAVA_HOME="/Library/Java/Home"
+      fi
+    fi
+    ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  PRG="$0"
+
+  # need this for relative symlinks
+  while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+      PRG="$link"
+    else
+      PRG="`dirname "$PRG"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+  # TODO classpath?
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+      else
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
+      fi
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+    fi
+  else
+    JAVACMD="`which java`"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+  if [ -z "$1" ]
+  then
+    echo "Path not specified to find_maven_basedir"
+    return 1
+  fi
+
+  basedir="$1"
+  wdir="$1"
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+    if [ -d "${wdir}" ]; then
+      wdir=`cd "$wdir/.."; pwd`
+    fi
+    # end of workaround
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+  exit 1;
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Found .mvn/wrapper/maven-wrapper.jar"
+    fi
+else
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+    fi
+    jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+    while IFS="=" read key value; do
+      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+      esac
+    done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Downloading from: $jarUrl"
+    fi
+    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+
+    if command -v wget > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found wget ... using wget"
+        fi
+        wget "$jarUrl" -O "$wrapperJarPath"
+    elif command -v curl > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found curl ... using curl"
+        fi
+        curl -o "$wrapperJarPath" "$jarUrl"
+    else
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Falling back to using Java to download"
+        fi
+        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        if [ -e "$javaClass" ]; then
+            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Compiling MavenWrapperDownloader.java ..."
+                fi
+                # Compiling the Java class
+                ("$JAVA_HOME/bin/javac" "$javaClass")
+            fi
+            if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                # Running the downloader
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Running MavenWrapperDownloader.java ..."
+                fi
+                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+            fi
+        fi
+    fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+  echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
diff --git a/WebServices/client/mvnw.cmd b/WebServices/client/mvnw.cmd
new file mode 100644
index 0000000000000000000000000000000000000000..e5cfb0ae9eab80c314b7d79c164d4a00772824b8
--- /dev/null
+++ b/WebServices/client/mvnw.cmd
@@ -0,0 +1,161 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven2 Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing my setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
+if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+FOR /F "tokens=1,2 delims==" %%A IN (%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties) DO (
+	IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B 
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    echo Found %WRAPPER_JAR%
+) else (
+    echo Couldn't find %WRAPPER_JAR%, downloading it ...
+	echo Downloading from: %DOWNLOAD_URL%
+    powershell -Command "(New-Object Net.WebClient).DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"
+    echo Finished downloading %WRAPPER_JAR%
+)
+@REM End of extension
+
+%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
+if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%" == "on" pause
+
+if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
+
+exit /B %ERROR_CODE%
diff --git a/WebServices/client/pom.xml b/WebServices/client/pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..a2109e35c8f696f96d428af00d3803499099fe4b
--- /dev/null
+++ b/WebServices/client/pom.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>br.ufrn.imd</groupId>
+        <artifactId>dim0614</artifactId>
+        <version>1.0-SNAPSHOT</version>
+        <relativePath>../</relativePath> <!-- lookup parent from repository -->
+    </parent>
+
+    <artifactId>client</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>client</name>
+    <description>Spring Boot Micro-services By DevDojo</description>
+
+    <properties>
+        <java.version>11</java.version>
+    </properties>
+
+    <build>
+        <finalName>client</finalName>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <executable>true</executable>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.0</version>
+                <configuration>
+                    <source>11</source>
+                    <target>11</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
diff --git a/WebServices/client/src/main/java/br/ufrn/imd/client/ClientApplication.java b/WebServices/client/src/main/java/br/ufrn/imd/client/ClientApplication.java
new file mode 100644
index 0000000000000000000000000000000000000000..9ae1baaae3cf0af97e64d0bebd6a6e6c2b640c6d
--- /dev/null
+++ b/WebServices/client/src/main/java/br/ufrn/imd/client/ClientApplication.java
@@ -0,0 +1,25 @@
+package br.ufrn.imd.client;
+
+import br.ufrn.imd.client.utils.MachineState;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class ClientApplication {
+
+	public static void main(String[] args) {
+
+		MachineState mS = new MachineState();
+
+		for(;;) {
+			while(!mS.hasUser()) mS.login();
+
+			while(mS.quit() || mS.hasUser()) {
+				mS.render();
+				mS.processEvents();
+				mS.update();
+			}
+		}
+
+	}
+
+}
diff --git a/WebServices/client/src/main/java/br/ufrn/imd/client/domain/Account.java b/WebServices/client/src/main/java/br/ufrn/imd/client/domain/Account.java
new file mode 100644
index 0000000000000000000000000000000000000000..6be2d49a8c008fe8e4d41cc2416e69b849de7058
--- /dev/null
+++ b/WebServices/client/src/main/java/br/ufrn/imd/client/domain/Account.java
@@ -0,0 +1,28 @@
+package br.ufrn.imd.client.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+import java.io.Serializable;
+
+@Data
+@Entity
+@AllArgsConstructor
+@NoArgsConstructor
+public class Account implements Serializable {
+
+    private static final long serialVersionUID = 2L;
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    @Column(unique = true)
+    private String number;
+
+    private Double balance;
+
+    private String password;
+}
diff --git a/WebServices/client/src/main/java/br/ufrn/imd/client/domain/Client.java b/WebServices/client/src/main/java/br/ufrn/imd/client/domain/Client.java
new file mode 100644
index 0000000000000000000000000000000000000000..22a8981968c9ab542b8fddb5642c3bd8f0e51b38
--- /dev/null
+++ b/WebServices/client/src/main/java/br/ufrn/imd/client/domain/Client.java
@@ -0,0 +1,31 @@
+package br.ufrn.imd.client.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import javax.persistence.*;
+import java.io.Serializable;
+
+@Data
+@Entity
+@AllArgsConstructor
+@NoArgsConstructor
+public class Client implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    private String name;
+
+    @OneToOne(cascade = CascadeType.ALL)
+    @JoinColumn(name = "account_id")
+    private Account account;
+
+    public Client(Integer id) {
+        this.id = id;
+    }
+}
diff --git a/WebServices/client/src/main/java/br/ufrn/imd/client/exception/BadRequestException.java b/WebServices/client/src/main/java/br/ufrn/imd/client/exception/BadRequestException.java
new file mode 100644
index 0000000000000000000000000000000000000000..4c07122fc9df9d54abda35cddc1be13eed3ccabd
--- /dev/null
+++ b/WebServices/client/src/main/java/br/ufrn/imd/client/exception/BadRequestException.java
@@ -0,0 +1,12 @@
+package br.ufrn.imd.client.exception;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+@ResponseStatus(HttpStatus.BAD_REQUEST)
+public class BadRequestException extends RuntimeException{
+
+    public BadRequestException(String message) {
+        super(message);
+    }
+}
diff --git a/WebServices/client/src/main/java/br/ufrn/imd/client/exception/BadRequestExceptionDetails.java b/WebServices/client/src/main/java/br/ufrn/imd/client/exception/BadRequestExceptionDetails.java
new file mode 100644
index 0000000000000000000000000000000000000000..75feaad8eb398d4fe5da7270b857142dbbde5b29
--- /dev/null
+++ b/WebServices/client/src/main/java/br/ufrn/imd/client/exception/BadRequestExceptionDetails.java
@@ -0,0 +1,16 @@
+package br.ufrn.imd.client.exception;
+
+import lombok.Builder;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+@Data
+@Builder
+public class BadRequestExceptionDetails {
+    private String title;
+    private int status;
+    private String details;
+    private String developerMessage;
+    private LocalDateTime timestamp;
+}
diff --git a/WebServices/client/src/main/java/br/ufrn/imd/client/exception/RestExceptionHandler.java b/WebServices/client/src/main/java/br/ufrn/imd/client/exception/RestExceptionHandler.java
new file mode 100644
index 0000000000000000000000000000000000000000..254c74e4fb1baa84184a6fdc83e06bccb6c95725
--- /dev/null
+++ b/WebServices/client/src/main/java/br/ufrn/imd/client/exception/RestExceptionHandler.java
@@ -0,0 +1,24 @@
+package br.ufrn.imd.client.exception;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+
+import java.time.LocalDateTime;
+
+@ControllerAdvice
+public class RestExceptionHandler {
+    @ExceptionHandler(BadRequestException.class)
+    public ResponseEntity<BadRequestExceptionDetails> handlerBadRequestException(BadRequestException bre) {
+        return new ResponseEntity<>(
+          BadRequestExceptionDetails.builder()
+                  .timestamp(LocalDateTime.now())
+                  .status(HttpStatus.BAD_REQUEST.value())
+                  .title("Bad Request Exception")
+                  .details(bre.getMessage())
+                  .developerMessage(bre.getClass().getName())
+                  .build(), HttpStatus.BAD_REQUEST
+        );
+    }
+}
diff --git a/WebServices/client/src/main/java/br/ufrn/imd/client/utils/MachineState.java b/WebServices/client/src/main/java/br/ufrn/imd/client/utils/MachineState.java
new file mode 100644
index 0000000000000000000000000000000000000000..103dc5a14c10f33f37d09a8be063dcdd11a2f634
--- /dev/null
+++ b/WebServices/client/src/main/java/br/ufrn/imd/client/utils/MachineState.java
@@ -0,0 +1,252 @@
+package br.ufrn.imd.client.utils;
+
+import br.ufrn.imd.client.domain.Client;
+import br.ufrn.imd.client.utils.message.CredentialsMessage;
+import lombok.Data;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Component;
+import org.springframework.web.client.HttpClientErrorException;
+import org.springframework.web.client.RestTemplate;
+
+import java.util.Scanner;
+
+import static br.ufrn.imd.client.utils.NameSpace.*;
+
+@Data
+@Component
+public class MachineState {
+
+    private RestTemplate restTemplate = new RestTemplate();
+    public static final String INITIAL= "INITIAL";
+    public static final String READ = "READ";
+    public static final String DEPOSIT = "DEPOSIT";
+    public static final String BALANCE = "BALANCE";
+    public static final String WITHDRAWAL = "WITHDRAWAL";
+    public static final String TRANSFER = "TRANSFER";
+
+    public static final String START = "START";
+    public static final String INVALID_INPUT = "INVALID_INPUT";
+    public static final String QUIT = "QUIT";
+
+    private String state;
+    private Scanner sc;
+    private String inputValue;
+
+    private Client client;
+
+    public MachineState() {
+        state = INITIAL;
+        inputValue = new String();
+        sc = new Scanner(System.in);
+    }
+
+    public void login() {
+        System.out.println(">>> Please enter your bank account number");
+        String accountNumber = sc.nextLine();
+
+        System.out.println(">>> Please enter your password");
+        String password = sc.nextLine();
+
+        try {
+            ResponseEntity<Client> response = restTemplate.postForEntity(
+                    HOST_AUTHENTICATOR_SERVICE,
+                    new CredentialsMessage(accountNumber, password),
+                    Client.class);
+            if(response.getStatusCodeValue() == 200) {
+                state = INITIAL;
+                this.client = response.getBody();
+            }
+        } catch (HttpClientErrorException ex){
+            System.out.println(">>> Bad credentials");
+        }
+
+
+        try {
+            Thread.sleep(1000);
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public Boolean hasUser() {
+        return client != null;
+    }
+
+    public Boolean quit() {
+        return !state.equals(QUIT);
+    }
+
+    public void update() {
+        if(state.equals(INITIAL)) {
+            state = START;
+        } else if(state.equals(START)) {
+            state = READ;
+        } else if(state.equals(READ)) {
+            state = inputValue;
+        } else if(state.equals(INVALID_INPUT)) {
+            state = START;
+        } else if(state.equals(DEPOSIT)) {
+            state = START;
+        } else if(state.equals(BALANCE)) {
+            state = START;
+        } else if(state.equals(WITHDRAWAL)) {
+            state = START;
+        } else if(state.equals(TRANSFER)) {
+            state = START;
+        }
+    }
+
+    public void processEvents()  {
+        if(state.equals(READ)) {
+            inputValue = sc.nextLine().trim().toUpperCase();
+            if(!inputValue.isEmpty() &&
+                    !inputValue.equals(QUIT) &&
+                    !inputValue.equals(DEPOSIT) &&
+                    !inputValue.equals(BALANCE) &&
+                    !inputValue.equals(WITHDRAWAL) &&
+                    !inputValue.equals(TRANSFER)) {
+                inputValue = INVALID_INPUT;
+            }
+        } else if(state.equals(DEPOSIT)) {
+            String v = sc.nextLine();
+            try {
+                ResponseEntity<Client> response =
+                        restTemplate.getForEntity(
+                                HOST_DEPOSIT_SERVICE +
+                                        String.format("/%d?value=%s", this.client.getId(), v),
+                                Client.class);
+                if (response.getStatusCodeValue() == 200) {
+                    System.out.println(
+                            String.format(">>> Your balance is: %.2f", response.getBody().getAccount().getBalance())
+                    );
+                }
+            } catch (Exception e) {
+                System.out.println("Invalid operation!");
+            }
+            try {
+                Thread.sleep(1000);
+            } catch (InterruptedException e) {
+                throw new RuntimeException(e);
+            }
+
+        } else if(state.equals(BALANCE)) {
+            try {
+                ResponseEntity<Client> response =
+                        restTemplate.getForEntity(HOST_BALANCE_SERVICE +
+                                String.format("/%d", this.client.getId()), Client.class);
+                if (response.getStatusCodeValue() == 200) {
+                    System.out.println(
+                            String.format(">>> Your balance is: %.2f", response.getBody().getAccount().getBalance())
+                    );
+                }
+            } catch (Exception e) {
+                System.out.println("Invalid operation!");
+            }
+            try {
+                Thread.sleep(1000);
+            } catch (InterruptedException e) {
+                throw new RuntimeException(e);
+            }
+
+        } else if(state.equals(WITHDRAWAL)) {
+            String v = sc.nextLine();
+            try {
+                ResponseEntity<Client> response =
+                        restTemplate.getForEntity(
+                                HOST_WITHDRAWAL_SERVICE +
+                                        String.format("/%d?value=%s", this.client.getId(), v),
+                                Client.class);
+                if (response.getStatusCodeValue() == 200) {
+                    System.out.println(
+                            String.format(">>> Your balance is: %.2f", response.getBody().getAccount().getBalance())
+                    );
+                } else if (response.getStatusCodeValue() == 500) {
+                    System.out.println(
+                            String.format(">>> %s", response.getBody())
+                    );
+                }
+            } catch (Exception e) {
+                System.out.println("Invalid operation!");
+            }
+            try {
+                Thread.sleep(1000);
+            } catch (InterruptedException e) {
+                throw new RuntimeException(e);
+            }
+        } else if(state.equals(TRANSFER)) {
+            String accountNumber = sc.nextLine();
+            System.out.println(">>> Please enter with the value that you want transfer");
+            String v = sc.nextLine();
+            try {
+                ResponseEntity<Client> response =
+                        restTemplate.getForEntity(
+                                HOST_TRANSFER_SERVICE +
+                                        String.format("/%d?value=%s&toAccount=%s",
+                                                this.client.getId(),
+                                                v,
+                                                accountNumber
+                                        ),
+                                Client.class);
+
+                if (response.getStatusCodeValue() == 200) {
+                    System.out.println(
+                            String.format(">>> Your balance is: %.2f", response.getBody().getAccount().getBalance())
+                    );
+                } else if (response.getStatusCodeValue() == 500) {
+                    System.out.println(
+                            String.format(">>> %s", response.getBody())
+                    );
+                }
+            } catch (Exception e) {
+                System.out.println("Invalid operation!");
+            }
+            try {
+                Thread.sleep(1000);
+            } catch (InterruptedException e) {
+                throw new RuntimeException(e);
+            }
+        } else if(state.equals(QUIT)) {
+            this.client = null;
+            System.out.println(">>> You have logged out");
+            try {
+                Thread.sleep(1000);
+            } catch (InterruptedException e) {
+                throw new RuntimeException(e);
+            }
+        }
+    }
+
+    public void render() {
+        try {
+            if(state.equals(INITIAL)) {
+                System.out.println(">>> Initializing...");
+                Thread.sleep(1000);
+            } else if(state.equals(START)) {
+                System.out.println("These are the avaliable operations");
+                System.out.println("---------------------------------");
+                System.out.println(" - deposit \t\t - balance");
+                System.out.println(" - withdrawal \t - transfer");
+                System.out.println(" - quit");
+                System.out.println("---------------------------------");
+                Thread.sleep(1000);
+            } else if(state.equals(READ)) {
+                System.out.println(">>> Please enter with wich operation do you want");
+            } else if(state.equals(INVALID_INPUT)) {
+                System.out.println(">>> Please enter with a VALID operation");
+                Thread.sleep(3000);
+            } else if(state.equals(DEPOSIT)) {
+                System.out.println(">>> Starting deposit operation");
+                System.out.println(">>> Please enter with the value that you want deposit");
+            } else if(state.equals(WITHDRAWAL)) {
+                System.out.println(">>> Starting withdrawal operation");
+                System.out.println(">>> Please enter the value you want to withdraw");
+            } else if(state.equals(TRANSFER)) {
+                System.out.println(">>> Starting transfer operation");
+                System.out.println(">>> Please enter with the recipient's account number");
+            }
+        } catch (InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+}
diff --git a/WebServices/client/src/main/java/br/ufrn/imd/client/utils/NameSpace.java b/WebServices/client/src/main/java/br/ufrn/imd/client/utils/NameSpace.java
new file mode 100644
index 0000000000000000000000000000000000000000..af41596d7387246c7f49a18c20fdcb82cd00bdfe
--- /dev/null
+++ b/WebServices/client/src/main/java/br/ufrn/imd/client/utils/NameSpace.java
@@ -0,0 +1,14 @@
+package br.ufrn.imd.client.utils;
+
+public class NameSpace {
+    public final static Integer PORT_AUTHENTICATOR_SERVICE = 8080;
+    public final static Integer PORT_WITHDRAWAL_SERVICE = 8080;
+    public static final Integer PORT_DEPOSIT_SERVICE = 8080;
+    public static final Integer PORT_BALANCE_SERVICE = 8080;
+    public static final Integer PORT_TRANSFER_SERVICE = 8080;
+    public final static String HOST_AUTHENTICATOR_SERVICE = String.format("http://127.0.0.1:%d/%s", PORT_AUTHENTICATOR_SERVICE, "/gateway/authenticator/banking/login");
+    public final static String HOST_WITHDRAWAL_SERVICE = String.format("http://127.0.0.1:%d/%s", PORT_WITHDRAWAL_SERVICE, "/gateway/withdrawal/banking/client");
+    public static final String HOST_DEPOSIT_SERVICE = String.format("http://127.0.0.1:%d/%s", PORT_DEPOSIT_SERVICE, "/gateway/deposit/banking/client");
+    public static final String HOST_BALANCE_SERVICE = String.format("http://127.0.0.1:%d/%s", PORT_BALANCE_SERVICE, "/gateway/balance/banking/client");
+    public final static String HOST_TRANSFER_SERVICE = String.format("http://127.0.0.1:%d/%s", PORT_TRANSFER_SERVICE, "/gateway/transfer/banking/client");
+}
diff --git a/WebServices/client/src/main/java/br/ufrn/imd/client/utils/message/CredentialsMessage.java b/WebServices/client/src/main/java/br/ufrn/imd/client/utils/message/CredentialsMessage.java
new file mode 100644
index 0000000000000000000000000000000000000000..234192784d6603a7f9a248c9ac444356ac68bc0c
--- /dev/null
+++ b/WebServices/client/src/main/java/br/ufrn/imd/client/utils/message/CredentialsMessage.java
@@ -0,0 +1,15 @@
+package br.ufrn.imd.client.utils.message;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+import java.io.Serializable;
+
+@Data
+@AllArgsConstructor
+public class CredentialsMessage implements Serializable {
+    private static final long serialVersionUID = 2L;
+
+    private String number;
+    private String password;
+}
diff --git a/WebServices/client/src/main/resources/application.yml b/WebServices/client/src/main/resources/application.yml
new file mode 100644
index 0000000000000000000000000000000000000000..67cdb45d6c9da505cb5ac23ad2f6149abf3bed99
--- /dev/null
+++ b/WebServices/client/src/main/resources/application.yml
@@ -0,0 +1,5 @@
+server:
+  port: 8087
+spring:
+  application:
+    name: client
\ No newline at end of file
diff --git a/WebServices/client/src/test/java/br/ufrn/imd/withdrawal/CourseApplicationTests.java b/WebServices/client/src/test/java/br/ufrn/imd/withdrawal/CourseApplicationTests.java
new file mode 100644
index 0000000000000000000000000000000000000000..b84743fe08d4bfdafd2ba2588a9a532fa80fa854
--- /dev/null
+++ b/WebServices/client/src/test/java/br/ufrn/imd/withdrawal/CourseApplicationTests.java
@@ -0,0 +1,16 @@
+package br.ufrn.imd.withdrawal;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class CourseApplicationTests {
+
+	@Test
+	public void contextLoads() {
+	}
+
+}
diff --git a/WebServices/deposit/.DS_Store b/WebServices/deposit/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..5008ddfcf53c02e82d7eee2e57c38e5672ef89f6
Binary files /dev/null and b/WebServices/deposit/.DS_Store differ
diff --git a/WebServices/deposit/.gitignore b/WebServices/deposit/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..ba5cb5cca8766c8b2403d25de25b1c880c5ef64a
--- /dev/null
+++ b/WebServices/deposit/.gitignore
@@ -0,0 +1,26 @@
+HELP.md
+/target/
+!.mvn/wrapper/maven-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+/build/
diff --git a/WebServices/deposit/.mvn/wrapper/MavenWrapperDownloader.java b/WebServices/deposit/.mvn/wrapper/MavenWrapperDownloader.java
new file mode 100644
index 0000000000000000000000000000000000000000..47336fde724164b1329ed3595f5b6bff09f7c179
--- /dev/null
+++ b/WebServices/deposit/.mvn/wrapper/MavenWrapperDownloader.java
@@ -0,0 +1,114 @@
+/*
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+*/
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.net.URL;
+import java.nio.channels.Channels;
+import java.nio.channels.ReadableByteChannel;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL =
+            "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if(mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if(mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: : " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if(!outputFile.getParentFile().exists()) {
+            if(!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output direcrory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}
diff --git a/WebServices/deposit/.mvn/wrapper/maven-wrapper.jar b/WebServices/deposit/.mvn/wrapper/maven-wrapper.jar
new file mode 100644
index 0000000000000000000000000000000000000000..01e67997377a393fd672c7dcde9dccbedf0cb1e9
Binary files /dev/null and b/WebServices/deposit/.mvn/wrapper/maven-wrapper.jar differ
diff --git a/WebServices/deposit/.mvn/wrapper/maven-wrapper.properties b/WebServices/deposit/.mvn/wrapper/maven-wrapper.properties
new file mode 100644
index 0000000000000000000000000000000000000000..cd0d451ccd6fc835996c9fe4eebf8a571154f515
--- /dev/null
+++ b/WebServices/deposit/.mvn/wrapper/maven-wrapper.properties
@@ -0,0 +1 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip
diff --git a/WebServices/deposit/Dockerfile b/WebServices/deposit/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..875766f12fff59ac2bd2a5df733572d5465ad96b
--- /dev/null
+++ b/WebServices/deposit/Dockerfile
@@ -0,0 +1,3 @@
+FROM openjdk:11
+COPY target/deposit.jar  deposit.jar
+ENTRYPOINT ["java","-jar","deposit.jar"]
\ No newline at end of file
diff --git a/WebServices/deposit/mvnw b/WebServices/deposit/mvnw
new file mode 100755
index 0000000000000000000000000000000000000000..5551fde8e7dba1e37a1821e8b26374893e2a9e2e
--- /dev/null
+++ b/WebServices/deposit/mvnw
@@ -0,0 +1,286 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven2 Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+    if [ -z "$JAVA_HOME" ]; then
+      if [ -x "/usr/libexec/java_home" ]; then
+        export JAVA_HOME="`/usr/libexec/java_home`"
+      else
+        export JAVA_HOME="/Library/Java/Home"
+      fi
+    fi
+    ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  PRG="$0"
+
+  # need this for relative symlinks
+  while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+      PRG="$link"
+    else
+      PRG="`dirname "$PRG"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+  # TODO classpath?
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+      else
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
+      fi
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+    fi
+  else
+    JAVACMD="`which java`"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+  if [ -z "$1" ]
+  then
+    echo "Path not specified to find_maven_basedir"
+    return 1
+  fi
+
+  basedir="$1"
+  wdir="$1"
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+    if [ -d "${wdir}" ]; then
+      wdir=`cd "$wdir/.."; pwd`
+    fi
+    # end of workaround
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+  exit 1;
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Found .mvn/wrapper/maven-wrapper.jar"
+    fi
+else
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+    fi
+    jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+    while IFS="=" read key value; do
+      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+      esac
+    done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Downloading from: $jarUrl"
+    fi
+    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+
+    if command -v wget > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found wget ... using wget"
+        fi
+        wget "$jarUrl" -O "$wrapperJarPath"
+    elif command -v curl > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found curl ... using curl"
+        fi
+        curl -o "$wrapperJarPath" "$jarUrl"
+    else
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Falling back to using Java to download"
+        fi
+        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        if [ -e "$javaClass" ]; then
+            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Compiling MavenWrapperDownloader.java ..."
+                fi
+                # Compiling the Java class
+                ("$JAVA_HOME/bin/javac" "$javaClass")
+            fi
+            if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                # Running the downloader
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Running MavenWrapperDownloader.java ..."
+                fi
+                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+            fi
+        fi
+    fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+  echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
diff --git a/WebServices/deposit/mvnw.cmd b/WebServices/deposit/mvnw.cmd
new file mode 100644
index 0000000000000000000000000000000000000000..e5cfb0ae9eab80c314b7d79c164d4a00772824b8
--- /dev/null
+++ b/WebServices/deposit/mvnw.cmd
@@ -0,0 +1,161 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven2 Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing my setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
+if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+FOR /F "tokens=1,2 delims==" %%A IN (%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties) DO (
+	IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B 
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    echo Found %WRAPPER_JAR%
+) else (
+    echo Couldn't find %WRAPPER_JAR%, downloading it ...
+	echo Downloading from: %DOWNLOAD_URL%
+    powershell -Command "(New-Object Net.WebClient).DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"
+    echo Finished downloading %WRAPPER_JAR%
+)
+@REM End of extension
+
+%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
+if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%" == "on" pause
+
+if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
+
+exit /B %ERROR_CODE%
diff --git a/WebServices/deposit/pom.xml b/WebServices/deposit/pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..5611f6e79c7079bad0854c12cb33d2e23145deb9
--- /dev/null
+++ b/WebServices/deposit/pom.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>br.ufrn.imd</groupId>
+        <artifactId>dim0614</artifactId>
+        <version>1.0-SNAPSHOT</version>
+        <relativePath>../</relativePath> <!-- lookup parent from repository -->
+    </parent>
+
+    <artifactId>deposit</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>deposit</name>
+    <description>Spring Boot Micro-services By DevDojo</description>
+
+    <properties>
+        <java.version>11</java.version>
+    </properties>
+
+    <build>
+        <finalName>deposit</finalName>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <executable>true</executable>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.0</version>
+                <configuration>
+                    <source>11</source>
+                    <target>11</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
diff --git a/WebServices/deposit/src/main/java/br/ufrn/imd/deposit/DepositApplication.java b/WebServices/deposit/src/main/java/br/ufrn/imd/deposit/DepositApplication.java
new file mode 100644
index 0000000000000000000000000000000000000000..23b7f5856812223d129e2f973f61a18cea69a364
--- /dev/null
+++ b/WebServices/deposit/src/main/java/br/ufrn/imd/deposit/DepositApplication.java
@@ -0,0 +1,13 @@
+package br.ufrn.imd.deposit;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class DepositApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(DepositApplication.class, args);
+	}
+
+}
diff --git a/WebServices/deposit/src/main/java/br/ufrn/imd/deposit/controller/DepositController.java b/WebServices/deposit/src/main/java/br/ufrn/imd/deposit/controller/DepositController.java
new file mode 100644
index 0000000000000000000000000000000000000000..02ac88128fc0160c013769bd3cd1d23e5e9a5253
--- /dev/null
+++ b/WebServices/deposit/src/main/java/br/ufrn/imd/deposit/controller/DepositController.java
@@ -0,0 +1,18 @@
+package br.ufrn.imd.deposit.controller;
+
+import br.ufrn.imd.deposit.domain.Client;
+import br.ufrn.imd.deposit.service.DepositService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+@RequiredArgsConstructor
+@RestController
+@RequestMapping("/banking/client/{id}")
+public class DepositController {
+    private final DepositService service;
+
+    @GetMapping
+    public Client deposit(@PathVariable Integer id, @RequestParam(name = "value") Double value) {
+        return service.deposit(value, new Client(id));
+    }
+}
diff --git a/WebServices/deposit/src/main/java/br/ufrn/imd/deposit/domain/Account.java b/WebServices/deposit/src/main/java/br/ufrn/imd/deposit/domain/Account.java
new file mode 100644
index 0000000000000000000000000000000000000000..9bd8d2440ed686189b4a38081e3738d86961dd51
--- /dev/null
+++ b/WebServices/deposit/src/main/java/br/ufrn/imd/deposit/domain/Account.java
@@ -0,0 +1,26 @@
+package br.ufrn.imd.deposit.domain;
+
+import lombok.*;
+
+import javax.persistence.*;
+import java.io.Serializable;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Data
+@Entity
+public class Account implements Serializable {
+
+    private static final long serialVersionUID = 2L;
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    @Column(unique = true)
+    private String number;
+
+    private Double balance;
+
+    private String password;
+}
diff --git a/WebServices/deposit/src/main/java/br/ufrn/imd/deposit/domain/Client.java b/WebServices/deposit/src/main/java/br/ufrn/imd/deposit/domain/Client.java
new file mode 100644
index 0000000000000000000000000000000000000000..fea289f41a982476a3d9c07a2701883d2f0e23a4
--- /dev/null
+++ b/WebServices/deposit/src/main/java/br/ufrn/imd/deposit/domain/Client.java
@@ -0,0 +1,29 @@
+package br.ufrn.imd.deposit.domain;
+
+import lombok.*;
+
+import javax.persistence.*;
+import java.io.Serializable;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Data
+@Entity
+public class Client implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    private String name;
+
+    @OneToOne(cascade = CascadeType.ALL)
+    @JoinColumn(name = "account_id")
+    private Account account;
+
+    public Client(Integer id) {
+        this.id = id;
+    }
+}
diff --git a/WebServices/deposit/src/main/java/br/ufrn/imd/deposit/repository/ClientRepository.java b/WebServices/deposit/src/main/java/br/ufrn/imd/deposit/repository/ClientRepository.java
new file mode 100644
index 0000000000000000000000000000000000000000..bd5c797d6e36e8f1e63880e7c471d9d1ac9bb467
--- /dev/null
+++ b/WebServices/deposit/src/main/java/br/ufrn/imd/deposit/repository/ClientRepository.java
@@ -0,0 +1,9 @@
+package br.ufrn.imd.deposit.repository;
+
+import br.ufrn.imd.deposit.domain.Client;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface ClientRepository extends JpaRepository<Client, Integer> {
+}
diff --git a/WebServices/deposit/src/main/java/br/ufrn/imd/deposit/service/DepositService.java b/WebServices/deposit/src/main/java/br/ufrn/imd/deposit/service/DepositService.java
new file mode 100644
index 0000000000000000000000000000000000000000..f266a4303a378a812648d5e0956b11653f103c39
--- /dev/null
+++ b/WebServices/deposit/src/main/java/br/ufrn/imd/deposit/service/DepositService.java
@@ -0,0 +1,29 @@
+package br.ufrn.imd.deposit.service;
+
+import br.ufrn.imd.deposit.domain.Account;
+import br.ufrn.imd.deposit.domain.Client;
+import br.ufrn.imd.deposit.repository.ClientRepository;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.java.Log;
+import org.springframework.stereotype.Service;
+
+@Log
+@RequiredArgsConstructor
+@Service
+public class DepositService {
+    private final ClientRepository clientRepository;
+
+    public Client deposit(Double value, Client client) {
+        client = clientRepository.findById(client.getId())
+                .orElseThrow(() -> new RuntimeException("Invalid user!"));
+
+        Account account = client.getAccount();
+        account.setBalance(account.getBalance() + value);
+        client = clientRepository.save(client);
+
+        log.info("Deposit concluded!");
+        log.info(String.format("Total: %.2f", client.getAccount().getBalance()));
+
+        return client;
+    }
+}
diff --git a/WebServices/deposit/src/main/resources/application.yml b/WebServices/deposit/src/main/resources/application.yml
new file mode 100644
index 0000000000000000000000000000000000000000..76df8328cb3d8b4f2ba06b63501f8b40c034bd84
--- /dev/null
+++ b/WebServices/deposit/src/main/resources/application.yml
@@ -0,0 +1,25 @@
+server:
+  port: 8085
+eureka:
+  instance:
+    prefer-ip-address: true
+  client:
+    service-url:
+      defaultZone: http://registry:8081/eureka/
+    fetch-registry: true
+    register-with-eureka: true
+
+spring:
+  application:
+    name: deposit
+  datasource:
+    url: jdbc:postgresql://postgresServ:5432/postgres
+    username: postgres
+    password: postgres
+  jpa:
+    show-sql: false
+    database-platform: org.hibernate.dialect.PostgreSQL9Dialect
+    hibernate:
+      ddl-auto: update
+  jmx:
+    enabled: false
\ No newline at end of file
diff --git a/WebServices/deposit/src/test/java/br/ufrn/imd/withdrawal/CourseApplicationTests.java b/WebServices/deposit/src/test/java/br/ufrn/imd/withdrawal/CourseApplicationTests.java
new file mode 100644
index 0000000000000000000000000000000000000000..b84743fe08d4bfdafd2ba2588a9a532fa80fa854
--- /dev/null
+++ b/WebServices/deposit/src/test/java/br/ufrn/imd/withdrawal/CourseApplicationTests.java
@@ -0,0 +1,16 @@
+package br.ufrn.imd.withdrawal;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class CourseApplicationTests {
+
+	@Test
+	public void contextLoads() {
+	}
+
+}
diff --git a/WebServices/deposit/target/classes/application.yml b/WebServices/deposit/target/classes/application.yml
new file mode 100644
index 0000000000000000000000000000000000000000..76df8328cb3d8b4f2ba06b63501f8b40c034bd84
--- /dev/null
+++ b/WebServices/deposit/target/classes/application.yml
@@ -0,0 +1,25 @@
+server:
+  port: 8085
+eureka:
+  instance:
+    prefer-ip-address: true
+  client:
+    service-url:
+      defaultZone: http://registry:8081/eureka/
+    fetch-registry: true
+    register-with-eureka: true
+
+spring:
+  application:
+    name: deposit
+  datasource:
+    url: jdbc:postgresql://postgresServ:5432/postgres
+    username: postgres
+    password: postgres
+  jpa:
+    show-sql: false
+    database-platform: org.hibernate.dialect.PostgreSQL9Dialect
+    hibernate:
+      ddl-auto: update
+  jmx:
+    enabled: false
\ No newline at end of file
diff --git a/WebServices/deposit/target/maven-archiver/pom.properties b/WebServices/deposit/target/maven-archiver/pom.properties
new file mode 100644
index 0000000000000000000000000000000000000000..0bc277fa9d32e3056d794aaf0f4eab5b8d609390
--- /dev/null
+++ b/WebServices/deposit/target/maven-archiver/pom.properties
@@ -0,0 +1,4 @@
+#Created by Apache Maven 3.8.4
+groupId=br.ufrn.imd
+artifactId=deposit
+version=0.0.1-SNAPSHOT
diff --git a/WebServices/deposit/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst b/WebServices/deposit/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
new file mode 100644
index 0000000000000000000000000000000000000000..3874cffd6ccf32aa0b920ab83481dc9e2f34a9c8
--- /dev/null
+++ b/WebServices/deposit/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
@@ -0,0 +1,6 @@
+br\ufrn\imd\deposit\DepositApplication.class
+br\ufrn\imd\deposit\domain\Client.class
+br\ufrn\imd\deposit\repository\ClientRepository.class
+br\ufrn\imd\deposit\service\DepositService.class
+br\ufrn\imd\deposit\controller\DepositController.class
+br\ufrn\imd\deposit\domain\Account.class
diff --git a/WebServices/deposit/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst b/WebServices/deposit/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
new file mode 100644
index 0000000000000000000000000000000000000000..ac0e43ae425d8307be71f3864cf0c615b72c20fb
--- /dev/null
+++ b/WebServices/deposit/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
@@ -0,0 +1,6 @@
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\deposit\src\main\java\br\ufrn\imd\deposit\domain\Client.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\deposit\src\main\java\br\ufrn\imd\deposit\controller\DepositController.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\deposit\src\main\java\br\ufrn\imd\deposit\domain\Account.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\deposit\src\main\java\br\ufrn\imd\deposit\repository\ClientRepository.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\deposit\src\main\java\br\ufrn\imd\deposit\DepositApplication.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\deposit\src\main\java\br\ufrn\imd\deposit\service\DepositService.java
diff --git a/WebServices/deposit/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst b/WebServices/deposit/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst
new file mode 100644
index 0000000000000000000000000000000000000000..3a5345ad0769a7ebacaabdd4abc78f4ee36396a5
--- /dev/null
+++ b/WebServices/deposit/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst
@@ -0,0 +1 @@
+br\ufrn\imd\withdrawal\CourseApplicationTests.class
diff --git a/WebServices/deposit/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst b/WebServices/deposit/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst
new file mode 100644
index 0000000000000000000000000000000000000000..9ed5032d7443921f5703a4746380a7805d383002
--- /dev/null
+++ b/WebServices/deposit/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst
@@ -0,0 +1 @@
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\deposit\src\test\java\br\ufrn\imd\withdrawal\CourseApplicationTests.java
diff --git a/WebServices/discovery/.gitignore b/WebServices/discovery/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..ba5cb5cca8766c8b2403d25de25b1c880c5ef64a
--- /dev/null
+++ b/WebServices/discovery/.gitignore
@@ -0,0 +1,26 @@
+HELP.md
+/target/
+!.mvn/wrapper/maven-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+/build/
diff --git a/WebServices/discovery/.mvn/wrapper/MavenWrapperDownloader.java b/WebServices/discovery/.mvn/wrapper/MavenWrapperDownloader.java
new file mode 100644
index 0000000000000000000000000000000000000000..042d184cb5c15da221db5fb5330e2d6b2596eaa3
--- /dev/null
+++ b/WebServices/discovery/.mvn/wrapper/MavenWrapperDownloader.java
@@ -0,0 +1,114 @@
+/*
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+*/
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.net.URL;
+import java.nio.channels.Channels;
+import java.nio.channels.ReadableByteChannel;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL =
+            "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if (mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if (mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: : " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if (!outputFile.getParentFile().exists()) {
+            if (!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output direcrory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}
diff --git a/WebServices/discovery/.mvn/wrapper/maven-wrapper.jar b/WebServices/discovery/.mvn/wrapper/maven-wrapper.jar
new file mode 100644
index 0000000000000000000000000000000000000000..01e67997377a393fd672c7dcde9dccbedf0cb1e9
Binary files /dev/null and b/WebServices/discovery/.mvn/wrapper/maven-wrapper.jar differ
diff --git a/WebServices/discovery/.mvn/wrapper/maven-wrapper.properties b/WebServices/discovery/.mvn/wrapper/maven-wrapper.properties
new file mode 100644
index 0000000000000000000000000000000000000000..cd0d451ccd6fc835996c9fe4eebf8a571154f515
--- /dev/null
+++ b/WebServices/discovery/.mvn/wrapper/maven-wrapper.properties
@@ -0,0 +1 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip
diff --git a/WebServices/discovery/Dockerfile b/WebServices/discovery/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..1615d429ca447933503a5565552b139d7e8e17d1
--- /dev/null
+++ b/WebServices/discovery/Dockerfile
@@ -0,0 +1,3 @@
+FROM openjdk:11
+COPY target/discovery.jar  discovery.jar
+ENTRYPOINT ["java","-jar","discovery.jar"]
\ No newline at end of file
diff --git a/WebServices/discovery/mvnw b/WebServices/discovery/mvnw
new file mode 100755
index 0000000000000000000000000000000000000000..5551fde8e7dba1e37a1821e8b26374893e2a9e2e
--- /dev/null
+++ b/WebServices/discovery/mvnw
@@ -0,0 +1,286 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven2 Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+    if [ -z "$JAVA_HOME" ]; then
+      if [ -x "/usr/libexec/java_home" ]; then
+        export JAVA_HOME="`/usr/libexec/java_home`"
+      else
+        export JAVA_HOME="/Library/Java/Home"
+      fi
+    fi
+    ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  PRG="$0"
+
+  # need this for relative symlinks
+  while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+      PRG="$link"
+    else
+      PRG="`dirname "$PRG"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+  # TODO classpath?
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+      else
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
+      fi
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+    fi
+  else
+    JAVACMD="`which java`"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+  if [ -z "$1" ]
+  then
+    echo "Path not specified to find_maven_basedir"
+    return 1
+  fi
+
+  basedir="$1"
+  wdir="$1"
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+    if [ -d "${wdir}" ]; then
+      wdir=`cd "$wdir/.."; pwd`
+    fi
+    # end of workaround
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+  exit 1;
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Found .mvn/wrapper/maven-wrapper.jar"
+    fi
+else
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+    fi
+    jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+    while IFS="=" read key value; do
+      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+      esac
+    done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Downloading from: $jarUrl"
+    fi
+    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+
+    if command -v wget > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found wget ... using wget"
+        fi
+        wget "$jarUrl" -O "$wrapperJarPath"
+    elif command -v curl > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found curl ... using curl"
+        fi
+        curl -o "$wrapperJarPath" "$jarUrl"
+    else
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Falling back to using Java to download"
+        fi
+        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        if [ -e "$javaClass" ]; then
+            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Compiling MavenWrapperDownloader.java ..."
+                fi
+                # Compiling the Java class
+                ("$JAVA_HOME/bin/javac" "$javaClass")
+            fi
+            if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                # Running the downloader
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Running MavenWrapperDownloader.java ..."
+                fi
+                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+            fi
+        fi
+    fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+  echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
diff --git a/WebServices/discovery/mvnw.cmd b/WebServices/discovery/mvnw.cmd
new file mode 100644
index 0000000000000000000000000000000000000000..e5cfb0ae9eab80c314b7d79c164d4a00772824b8
--- /dev/null
+++ b/WebServices/discovery/mvnw.cmd
@@ -0,0 +1,161 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven2 Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing my setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
+if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+FOR /F "tokens=1,2 delims==" %%A IN (%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties) DO (
+	IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B 
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    echo Found %WRAPPER_JAR%
+) else (
+    echo Couldn't find %WRAPPER_JAR%, downloading it ...
+	echo Downloading from: %DOWNLOAD_URL%
+    powershell -Command "(New-Object Net.WebClient).DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"
+    echo Finished downloading %WRAPPER_JAR%
+)
+@REM End of extension
+
+%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
+if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%" == "on" pause
+
+if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
+
+exit /B %ERROR_CODE%
diff --git a/WebServices/discovery/pom.xml b/WebServices/discovery/pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..ef11b960269ee69bf7ca31a01f56cd17f33f5d70
--- /dev/null
+++ b/WebServices/discovery/pom.xml
@@ -0,0 +1,70 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>br.ufrn.imd</groupId>
+        <artifactId>dim0614</artifactId>
+        <version>1.0-SNAPSHOT</version>
+        <relativePath>../</relativePath> <!-- lookup parent from repository -->
+    </parent>
+
+    <artifactId>discovery</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>discovery</name>
+    <description>DevDojo's Service Discovery</description>
+
+    <properties>
+        <java.version>11</java.version>
+        <jaxb-api.version>2.3.1</jaxb-api.version>
+        <jaxb-runtime.version>2.3.2</jaxb-runtime.version>
+        <javax-activation.version>1.2.0</javax-activation.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>javax.xml.bind</groupId>
+            <artifactId>jaxb-api</artifactId>
+            <version>${jaxb-api.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>javax.activation</groupId>
+            <artifactId>javax.activation-api</artifactId>
+            <version>${javax-activation.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.glassfish.jaxb</groupId>
+            <artifactId>jaxb-runtime</artifactId>
+            <version>${jaxb-runtime.version}</version>
+        </dependency>
+
+    </dependencies>
+
+    <build>
+        <finalName>discovery</finalName>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <executable>true</executable>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.0</version>
+                <configuration>
+                    <source>11</source>
+                    <target>11</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
diff --git a/WebServices/discovery/src/main/java/br/ufrn/imd/DiscoveryApplication.java b/WebServices/discovery/src/main/java/br/ufrn/imd/DiscoveryApplication.java
new file mode 100644
index 0000000000000000000000000000000000000000..fed87637edb1ec498a1e78cbdde45d68518adc6d
--- /dev/null
+++ b/WebServices/discovery/src/main/java/br/ufrn/imd/DiscoveryApplication.java
@@ -0,0 +1,15 @@
+package br.ufrn.imd;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer;
+
+@SpringBootApplication
+@EnableEurekaServer
+public class DiscoveryApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(DiscoveryApplication.class, args);
+    }
+
+}
diff --git a/WebServices/discovery/src/main/resources/application.yml b/WebServices/discovery/src/main/resources/application.yml
new file mode 100644
index 0000000000000000000000000000000000000000..51b3a1a44f1739dc143395a2a612073bebbc3ae0
--- /dev/null
+++ b/WebServices/discovery/src/main/resources/application.yml
@@ -0,0 +1,12 @@
+spring:
+  application:
+    name: registry
+server:
+  port: 8081
+
+eureka:
+  client:
+    register-with-eureka: false
+    fetch-registry: false
+    service-url:
+      defaultZone: http://registry:${server.port}/eureka/
diff --git a/WebServices/discovery/src/test/java/academy/devdojo/youtube/discovery/DiscoveryApplicationTests.java b/WebServices/discovery/src/test/java/academy/devdojo/youtube/discovery/DiscoveryApplicationTests.java
new file mode 100644
index 0000000000000000000000000000000000000000..b6b9fe298bc276c6576ddfef537e4eac550caffd
--- /dev/null
+++ b/WebServices/discovery/src/test/java/academy/devdojo/youtube/discovery/DiscoveryApplicationTests.java
@@ -0,0 +1,16 @@
+package academy.devdojo.youtube.discovery;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class DiscoveryApplicationTests {
+
+    @Test
+    public void contextLoads() {
+    }
+
+}
diff --git a/WebServices/docker-compose.yml b/WebServices/docker-compose.yml
new file mode 100644
index 0000000000000000000000000000000000000000..d10186cd3123f4ef8b90da263f88c44eac8867c4
--- /dev/null
+++ b/WebServices/docker-compose.yml
@@ -0,0 +1,114 @@
+version: "3.9"
+
+volumes:
+  postgres-server-volume:
+services:
+
+  postgresServ:
+    image: postgres:12.9
+    container_name: postgresServ
+    ports:
+      - 5433:5432
+    volumes:
+      - postgres-server-volume:/var/lib/postgresql/data
+    networks:
+      - sigsmartcampus2-network
+    environment:
+      POSTGRES_DB: postgres
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: postgres
+
+  registry:
+    container_name: registry-server
+    build:
+      context: ./discovery
+      dockerfile: ./Dockerfile
+    ports:
+      - 8081:8081
+    networks:
+      - sigsmartcampus2-network
+
+  gateway:
+    container_name: gateway-server
+    build:
+      context: ./gateway
+      dockerfile: ./Dockerfile
+    ports:
+      - 8080:8080
+    depends_on:
+      - registry
+    networks:
+      - sigsmartcampus2-network
+
+  withdrawal:
+    container_name: withdrawal-server
+    build:
+      context: withdrawal
+      dockerfile: ./Dockerfile
+    ports:
+      - 8083:8083
+    networks:
+      - sigsmartcampus2-network
+    depends_on:
+      - postgresServ
+      - gateway
+
+  balance:
+    container_name: balance-server
+    build:
+      context: balance
+      dockerfile: ./Dockerfile
+    ports:
+      - 8084:8084
+    networks:
+      - sigsmartcampus2-network
+    depends_on:
+      - postgresServ
+      - gateway
+
+  deposit:
+    container_name: deposit-server
+    build:
+      context: deposit
+      dockerfile: ./Dockerfile
+    ports:
+      - 8085:8085
+    networks:
+      - sigsmartcampus2-network
+    depends_on:
+      - postgresServ
+      - gateway
+
+
+  transfer:
+    container_name: tranfer-server
+    build:
+      context: transfer
+      dockerfile: ./Dockerfile
+    ports:
+      - 8086:8086
+    networks:
+      - sigsmartcampus2-network
+    depends_on:
+      - postgresServ
+      - gateway
+
+
+  authenticator:
+    container_name: authenticator-server
+    build:
+      context: authenticator
+      dockerfile: ./Dockerfile
+    ports:
+      - 8087:8087
+    networks:
+      - sigsmartcampus2-network
+    depends_on:
+      - postgresServ
+      - gateway
+
+
+
+networks:
+  sigsmartcampus2-network:
+    driver: bridge
diff --git a/WebServices/gateway/.gitignore b/WebServices/gateway/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..ba5cb5cca8766c8b2403d25de25b1c880c5ef64a
--- /dev/null
+++ b/WebServices/gateway/.gitignore
@@ -0,0 +1,26 @@
+HELP.md
+/target/
+!.mvn/wrapper/maven-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+/build/
diff --git a/WebServices/gateway/.mvn/wrapper/MavenWrapperDownloader.java b/WebServices/gateway/.mvn/wrapper/MavenWrapperDownloader.java
new file mode 100644
index 0000000000000000000000000000000000000000..042d184cb5c15da221db5fb5330e2d6b2596eaa3
--- /dev/null
+++ b/WebServices/gateway/.mvn/wrapper/MavenWrapperDownloader.java
@@ -0,0 +1,114 @@
+/*
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+*/
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.net.URL;
+import java.nio.channels.Channels;
+import java.nio.channels.ReadableByteChannel;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL =
+            "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if (mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if (mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: : " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if (!outputFile.getParentFile().exists()) {
+            if (!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output direcrory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}
diff --git a/WebServices/gateway/.mvn/wrapper/maven-wrapper.jar b/WebServices/gateway/.mvn/wrapper/maven-wrapper.jar
new file mode 100644
index 0000000000000000000000000000000000000000..01e67997377a393fd672c7dcde9dccbedf0cb1e9
Binary files /dev/null and b/WebServices/gateway/.mvn/wrapper/maven-wrapper.jar differ
diff --git a/WebServices/gateway/.mvn/wrapper/maven-wrapper.properties b/WebServices/gateway/.mvn/wrapper/maven-wrapper.properties
new file mode 100644
index 0000000000000000000000000000000000000000..cd0d451ccd6fc835996c9fe4eebf8a571154f515
--- /dev/null
+++ b/WebServices/gateway/.mvn/wrapper/maven-wrapper.properties
@@ -0,0 +1 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip
diff --git a/WebServices/gateway/Dockerfile b/WebServices/gateway/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..3cf13a1c53d91e6312940d52fc4be4e83db39a97
--- /dev/null
+++ b/WebServices/gateway/Dockerfile
@@ -0,0 +1,3 @@
+FROM openjdk:11
+COPY target/gateway.jar  gateway.jar
+ENTRYPOINT ["java","-jar","gateway.jar"]
\ No newline at end of file
diff --git a/WebServices/gateway/mvnw b/WebServices/gateway/mvnw
new file mode 100755
index 0000000000000000000000000000000000000000..5551fde8e7dba1e37a1821e8b26374893e2a9e2e
--- /dev/null
+++ b/WebServices/gateway/mvnw
@@ -0,0 +1,286 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven2 Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+    if [ -z "$JAVA_HOME" ]; then
+      if [ -x "/usr/libexec/java_home" ]; then
+        export JAVA_HOME="`/usr/libexec/java_home`"
+      else
+        export JAVA_HOME="/Library/Java/Home"
+      fi
+    fi
+    ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  PRG="$0"
+
+  # need this for relative symlinks
+  while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+      PRG="$link"
+    else
+      PRG="`dirname "$PRG"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+  # TODO classpath?
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+      else
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
+      fi
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+    fi
+  else
+    JAVACMD="`which java`"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+  if [ -z "$1" ]
+  then
+    echo "Path not specified to find_maven_basedir"
+    return 1
+  fi
+
+  basedir="$1"
+  wdir="$1"
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+    if [ -d "${wdir}" ]; then
+      wdir=`cd "$wdir/.."; pwd`
+    fi
+    # end of workaround
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+  exit 1;
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Found .mvn/wrapper/maven-wrapper.jar"
+    fi
+else
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+    fi
+    jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+    while IFS="=" read key value; do
+      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+      esac
+    done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Downloading from: $jarUrl"
+    fi
+    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+
+    if command -v wget > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found wget ... using wget"
+        fi
+        wget "$jarUrl" -O "$wrapperJarPath"
+    elif command -v curl > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found curl ... using curl"
+        fi
+        curl -o "$wrapperJarPath" "$jarUrl"
+    else
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Falling back to using Java to download"
+        fi
+        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        if [ -e "$javaClass" ]; then
+            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Compiling MavenWrapperDownloader.java ..."
+                fi
+                # Compiling the Java class
+                ("$JAVA_HOME/bin/javac" "$javaClass")
+            fi
+            if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                # Running the downloader
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Running MavenWrapperDownloader.java ..."
+                fi
+                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+            fi
+        fi
+    fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+  echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
diff --git a/WebServices/gateway/mvnw.cmd b/WebServices/gateway/mvnw.cmd
new file mode 100644
index 0000000000000000000000000000000000000000..e5cfb0ae9eab80c314b7d79c164d4a00772824b8
--- /dev/null
+++ b/WebServices/gateway/mvnw.cmd
@@ -0,0 +1,161 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven2 Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing my setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
+if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+FOR /F "tokens=1,2 delims==" %%A IN (%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties) DO (
+	IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B 
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    echo Found %WRAPPER_JAR%
+) else (
+    echo Couldn't find %WRAPPER_JAR%, downloading it ...
+	echo Downloading from: %DOWNLOAD_URL%
+    powershell -Command "(New-Object Net.WebClient).DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"
+    echo Finished downloading %WRAPPER_JAR%
+)
+@REM End of extension
+
+%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
+if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%" == "on" pause
+
+if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
+
+exit /B %ERROR_CODE%
diff --git a/WebServices/gateway/pom.xml b/WebServices/gateway/pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..fcee5284ea03ad1dc8314a0a21125b28db7e3e6f
--- /dev/null
+++ b/WebServices/gateway/pom.xml
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>br.ufrn.imd</groupId>
+        <artifactId>dim0614</artifactId>
+        <version>1.0-SNAPSHOT</version>
+        <relativePath>../</relativePath> <!-- lookup parent from repository -->
+    </parent>
+
+    <artifactId>gateway</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>gateway</name>
+    <description>DevDojo's Gateway</description>
+
+    <properties>
+        <java.version>11</java.version>
+    </properties>
+    <dependencies>
+
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-netflix-zuul</artifactId>
+        </dependency>
+
+    </dependencies>
+    <build>
+        <finalName>gateway</finalName>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <executable>true</executable>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.0</version>
+                <configuration>
+                    <source>11</source>
+                    <target>11</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
diff --git a/WebServices/gateway/src/main/java/br/ufrn/imd/gateway/GatewayApplication.java b/WebServices/gateway/src/main/java/br/ufrn/imd/gateway/GatewayApplication.java
new file mode 100644
index 0000000000000000000000000000000000000000..b97ea31a8d4cc0abce3e0b76a76b5fc4bd3059b6
--- /dev/null
+++ b/WebServices/gateway/src/main/java/br/ufrn/imd/gateway/GatewayApplication.java
@@ -0,0 +1,17 @@
+package br.ufrn.imd.gateway;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
+import org.springframework.cloud.netflix.zuul.EnableZuulProxy;
+
+@SpringBootApplication
+@EnableZuulProxy
+@EnableEurekaClient
+public class GatewayApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(GatewayApplication.class, args);
+    }
+
+}
diff --git a/WebServices/gateway/src/main/resources/application.yml b/WebServices/gateway/src/main/resources/application.yml
new file mode 100644
index 0000000000000000000000000000000000000000..c79f8ea6c29d79dce4e6a7323b996bf8e743292f
--- /dev/null
+++ b/WebServices/gateway/src/main/resources/application.yml
@@ -0,0 +1,19 @@
+spring:
+  application:
+    name: gateway
+server:
+  port: 8080
+  servlet:
+    context-path: /gateway
+
+eureka:
+  instance:
+    prefer-ip-address: true
+  client:
+    service-url:
+      defaultZone: http://registry:8081/eureka/
+    fetch-registry: true
+    register-with-eureka: true
+
+zuul:
+  sensitive-headers: Cookie
diff --git a/WebServices/gateway/src/test/java/academy/devdojo/youtube/gateway/GatewayApplicationTests.java b/WebServices/gateway/src/test/java/academy/devdojo/youtube/gateway/GatewayApplicationTests.java
new file mode 100644
index 0000000000000000000000000000000000000000..5b93859879a3387ff3f6b343f4ade6571d5c394f
--- /dev/null
+++ b/WebServices/gateway/src/test/java/academy/devdojo/youtube/gateway/GatewayApplicationTests.java
@@ -0,0 +1,16 @@
+package academy.devdojo.youtube.gateway;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class GatewayApplicationTests {
+
+    @Test
+    public void contextLoads() {
+    }
+
+}
diff --git a/WebServices/pom.xml b/WebServices/pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..c2fd4dd22da95538e1c68ac2cdf1398462d6f8fc
--- /dev/null
+++ b/WebServices/pom.xml
@@ -0,0 +1,102 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.1.3.RELEASE</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+
+    <groupId>br.ufrn.imd</groupId>
+    <artifactId>dim0614</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>pom</packaging>
+
+    <modules>
+        <module>withdrawal</module>
+        <module>gateway</module>
+        <module>discovery</module>
+        <module>balance</module>
+        <module>transfer</module>
+        <module>deposit</module>
+        <module>client</module>
+        <module>authenticator</module>
+    </modules>
+    <properties>
+        <spring-cloud.version>Greenwich.RELEASE</spring-cloud.version>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-devtools</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+		<dependency>
+			<groupId>org.postgresql</groupId>
+			<artifactId>postgresql</artifactId>
+			<scope>runtime</scope>
+		</dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-configuration-processor</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <optional>true</optional>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.cloud</groupId>
+                <artifactId>spring-cloud-dependencies</artifactId>
+                <version>${spring-cloud.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <repositories>
+        <repository>
+            <id>spring-milestones</id>
+            <name>Spring Milestones</name>
+            <url>https://repo.spring.io/milestone</url>
+        </repository>
+    </repositories>
+
+</project>
diff --git a/WebServices/transfer/.DS_Store b/WebServices/transfer/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..5008ddfcf53c02e82d7eee2e57c38e5672ef89f6
Binary files /dev/null and b/WebServices/transfer/.DS_Store differ
diff --git a/WebServices/transfer/.gitignore b/WebServices/transfer/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..ba5cb5cca8766c8b2403d25de25b1c880c5ef64a
--- /dev/null
+++ b/WebServices/transfer/.gitignore
@@ -0,0 +1,26 @@
+HELP.md
+/target/
+!.mvn/wrapper/maven-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+/build/
diff --git a/WebServices/transfer/.mvn/wrapper/MavenWrapperDownloader.java b/WebServices/transfer/.mvn/wrapper/MavenWrapperDownloader.java
new file mode 100644
index 0000000000000000000000000000000000000000..47336fde724164b1329ed3595f5b6bff09f7c179
--- /dev/null
+++ b/WebServices/transfer/.mvn/wrapper/MavenWrapperDownloader.java
@@ -0,0 +1,114 @@
+/*
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+*/
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.net.URL;
+import java.nio.channels.Channels;
+import java.nio.channels.ReadableByteChannel;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL =
+            "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if(mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if(mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: : " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if(!outputFile.getParentFile().exists()) {
+            if(!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output direcrory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}
diff --git a/WebServices/transfer/.mvn/wrapper/maven-wrapper.jar b/WebServices/transfer/.mvn/wrapper/maven-wrapper.jar
new file mode 100644
index 0000000000000000000000000000000000000000..01e67997377a393fd672c7dcde9dccbedf0cb1e9
Binary files /dev/null and b/WebServices/transfer/.mvn/wrapper/maven-wrapper.jar differ
diff --git a/WebServices/transfer/.mvn/wrapper/maven-wrapper.properties b/WebServices/transfer/.mvn/wrapper/maven-wrapper.properties
new file mode 100644
index 0000000000000000000000000000000000000000..cd0d451ccd6fc835996c9fe4eebf8a571154f515
--- /dev/null
+++ b/WebServices/transfer/.mvn/wrapper/maven-wrapper.properties
@@ -0,0 +1 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip
diff --git a/WebServices/transfer/Dockerfile b/WebServices/transfer/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..5b37841d0429140f21bdf43c8677ce2e8241c148
--- /dev/null
+++ b/WebServices/transfer/Dockerfile
@@ -0,0 +1,3 @@
+FROM openjdk:11
+COPY target/transfer.jar  transfer.jar
+ENTRYPOINT ["java","-jar","transfer.jar"]
\ No newline at end of file
diff --git a/WebServices/transfer/mvnw b/WebServices/transfer/mvnw
new file mode 100755
index 0000000000000000000000000000000000000000..5551fde8e7dba1e37a1821e8b26374893e2a9e2e
--- /dev/null
+++ b/WebServices/transfer/mvnw
@@ -0,0 +1,286 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven2 Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+    if [ -z "$JAVA_HOME" ]; then
+      if [ -x "/usr/libexec/java_home" ]; then
+        export JAVA_HOME="`/usr/libexec/java_home`"
+      else
+        export JAVA_HOME="/Library/Java/Home"
+      fi
+    fi
+    ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  PRG="$0"
+
+  # need this for relative symlinks
+  while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+      PRG="$link"
+    else
+      PRG="`dirname "$PRG"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+  # TODO classpath?
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+      else
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
+      fi
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+    fi
+  else
+    JAVACMD="`which java`"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+  if [ -z "$1" ]
+  then
+    echo "Path not specified to find_maven_basedir"
+    return 1
+  fi
+
+  basedir="$1"
+  wdir="$1"
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+    if [ -d "${wdir}" ]; then
+      wdir=`cd "$wdir/.."; pwd`
+    fi
+    # end of workaround
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+  exit 1;
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Found .mvn/wrapper/maven-wrapper.jar"
+    fi
+else
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+    fi
+    jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+    while IFS="=" read key value; do
+      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+      esac
+    done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Downloading from: $jarUrl"
+    fi
+    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+
+    if command -v wget > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found wget ... using wget"
+        fi
+        wget "$jarUrl" -O "$wrapperJarPath"
+    elif command -v curl > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found curl ... using curl"
+        fi
+        curl -o "$wrapperJarPath" "$jarUrl"
+    else
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Falling back to using Java to download"
+        fi
+        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        if [ -e "$javaClass" ]; then
+            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Compiling MavenWrapperDownloader.java ..."
+                fi
+                # Compiling the Java class
+                ("$JAVA_HOME/bin/javac" "$javaClass")
+            fi
+            if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                # Running the downloader
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Running MavenWrapperDownloader.java ..."
+                fi
+                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+            fi
+        fi
+    fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+  echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
diff --git a/WebServices/transfer/mvnw.cmd b/WebServices/transfer/mvnw.cmd
new file mode 100644
index 0000000000000000000000000000000000000000..e5cfb0ae9eab80c314b7d79c164d4a00772824b8
--- /dev/null
+++ b/WebServices/transfer/mvnw.cmd
@@ -0,0 +1,161 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven2 Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing my setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
+if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+FOR /F "tokens=1,2 delims==" %%A IN (%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties) DO (
+	IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B 
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    echo Found %WRAPPER_JAR%
+) else (
+    echo Couldn't find %WRAPPER_JAR%, downloading it ...
+	echo Downloading from: %DOWNLOAD_URL%
+    powershell -Command "(New-Object Net.WebClient).DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"
+    echo Finished downloading %WRAPPER_JAR%
+)
+@REM End of extension
+
+%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
+if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%" == "on" pause
+
+if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
+
+exit /B %ERROR_CODE%
diff --git a/WebServices/transfer/pom.xml b/WebServices/transfer/pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..29acda33783229d2fe24d2e0fb625b4cd60d6a94
--- /dev/null
+++ b/WebServices/transfer/pom.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>br.ufrn.imd</groupId>
+        <artifactId>dim0614</artifactId>
+        <version>1.0-SNAPSHOT</version>
+        <relativePath>../</relativePath> <!-- lookup parent from repository -->
+    </parent>
+
+    <artifactId>transfer</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>transfer</name>
+    <description>Spring Boot Micro-services By DevDojo</description>
+
+    <properties>
+        <java.version>11</java.version>
+    </properties>
+
+    <build>
+        <finalName>transfer</finalName>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <executable>true</executable>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.0</version>
+                <configuration>
+                    <source>11</source>
+                    <target>11</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
diff --git a/WebServices/transfer/src/main/java/br/ufrn/imd/transfer/TransferApplication.java b/WebServices/transfer/src/main/java/br/ufrn/imd/transfer/TransferApplication.java
new file mode 100644
index 0000000000000000000000000000000000000000..912127f66c81a0859e79d336706d4127e8c63615
--- /dev/null
+++ b/WebServices/transfer/src/main/java/br/ufrn/imd/transfer/TransferApplication.java
@@ -0,0 +1,13 @@
+package br.ufrn.imd.transfer;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class TransferApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(TransferApplication.class, args);
+	}
+
+}
diff --git a/WebServices/transfer/src/main/java/br/ufrn/imd/transfer/controller/TransferController.java b/WebServices/transfer/src/main/java/br/ufrn/imd/transfer/controller/TransferController.java
new file mode 100644
index 0000000000000000000000000000000000000000..2e4af71c668f0481510a5bd03af6a4c2a2b20b72
--- /dev/null
+++ b/WebServices/transfer/src/main/java/br/ufrn/imd/transfer/controller/TransferController.java
@@ -0,0 +1,20 @@
+package br.ufrn.imd.transfer.controller;
+
+import br.ufrn.imd.transfer.domain.Account;
+import br.ufrn.imd.transfer.domain.Client;
+import br.ufrn.imd.transfer.service.TransferService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+@RequiredArgsConstructor
+@RestController
+@RequestMapping("/banking/client/{id}")
+public class TransferController {
+    private final TransferService service;
+
+    @GetMapping
+    public Client transfer(@PathVariable Integer id, @RequestParam(name = "value") Double value,
+                           @RequestParam(name = "toAccount") String toAccountNumber) {
+        return service.transfer(value, new Client(id), new Account(null, toAccountNumber, null, null));
+    }
+}
diff --git a/WebServices/transfer/src/main/java/br/ufrn/imd/transfer/domain/Account.java b/WebServices/transfer/src/main/java/br/ufrn/imd/transfer/domain/Account.java
new file mode 100644
index 0000000000000000000000000000000000000000..56196c5dfe07f6dd27fb08f2fa4b70e76c175073
--- /dev/null
+++ b/WebServices/transfer/src/main/java/br/ufrn/imd/transfer/domain/Account.java
@@ -0,0 +1,26 @@
+package br.ufrn.imd.transfer.domain;
+
+import lombok.*;
+
+import javax.persistence.*;
+import java.io.Serializable;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Data
+@Entity
+public class Account implements Serializable {
+
+    private static final long serialVersionUID = 2L;
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    @Column(unique = true)
+    private String number;
+
+    private Double balance;
+
+    private String password;
+}
diff --git a/WebServices/transfer/src/main/java/br/ufrn/imd/transfer/domain/Client.java b/WebServices/transfer/src/main/java/br/ufrn/imd/transfer/domain/Client.java
new file mode 100644
index 0000000000000000000000000000000000000000..21af242865da3952f3ca8da5b283fc8fd9164315
--- /dev/null
+++ b/WebServices/transfer/src/main/java/br/ufrn/imd/transfer/domain/Client.java
@@ -0,0 +1,29 @@
+package br.ufrn.imd.transfer.domain;
+
+import lombok.*;
+
+import javax.persistence.*;
+import java.io.Serializable;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Data
+@Entity
+public class Client implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    private String name;
+
+    @OneToOne(cascade = CascadeType.ALL)
+    @JoinColumn(name = "account_id")
+    private Account account;
+
+    public Client(Integer id) {
+        this.id = id;
+    }
+}
diff --git a/WebServices/transfer/src/main/java/br/ufrn/imd/transfer/repository/ClientRepository.java b/WebServices/transfer/src/main/java/br/ufrn/imd/transfer/repository/ClientRepository.java
new file mode 100644
index 0000000000000000000000000000000000000000..917cc223f1a496a0683df9c4e17f8387832a0936
--- /dev/null
+++ b/WebServices/transfer/src/main/java/br/ufrn/imd/transfer/repository/ClientRepository.java
@@ -0,0 +1,16 @@
+package br.ufrn.imd.transfer.repository;
+
+import br.ufrn.imd.transfer.domain.Client;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.stereotype.Repository;
+
+import java.util.Optional;
+
+@Repository
+public interface ClientRepository extends JpaRepository<Client, Integer> {
+
+    @Query(value = "SELECT c from Client c where c.account.number = ?1")
+    Optional<Client> findByAccountNumber(String number);
+
+}
diff --git a/WebServices/transfer/src/main/java/br/ufrn/imd/transfer/service/TransferService.java b/WebServices/transfer/src/main/java/br/ufrn/imd/transfer/service/TransferService.java
new file mode 100644
index 0000000000000000000000000000000000000000..a0cc3713b60a4ff6a058f20796ab6db0190572df
--- /dev/null
+++ b/WebServices/transfer/src/main/java/br/ufrn/imd/transfer/service/TransferService.java
@@ -0,0 +1,43 @@
+package br.ufrn.imd.transfer.service;
+
+import br.ufrn.imd.transfer.domain.Account;
+import br.ufrn.imd.transfer.domain.Client;
+import br.ufrn.imd.transfer.repository.ClientRepository;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.java.Log;
+import org.springframework.stereotype.Service;
+
+@Log
+@RequiredArgsConstructor
+@Service
+public class TransferService {
+    private final ClientRepository clientRepository;
+
+    public Client transfer(Double value, Client fromClient, Account toAccount) {
+        fromClient = clientRepository.findById(fromClient.getId())
+                .orElseThrow(() -> new RuntimeException("Invalid user!"));
+
+        Account finalToAccount = toAccount;
+        Client toClient = clientRepository.findByAccountNumber(toAccount.getNumber())
+                .orElseThrow(() -> new RuntimeException(
+                        String.format("Customer not found with account number %s", finalToAccount.getNumber())));
+
+        if(fromClient.getId().equals(toClient.getId()))
+            throw new RuntimeException("Invalid account");
+
+        Account fromAccount = fromClient.getAccount();
+        if(value > fromAccount.getBalance()) throw new RuntimeException("Insufficient balance");
+
+        fromAccount.setBalance(fromAccount.getBalance() - value);
+        toAccount = toClient.getAccount();
+        toAccount.setBalance(toAccount.getBalance() + value);
+
+        clientRepository.save(toClient);
+        fromClient = clientRepository.save(fromClient);
+        log.info("Transfer concluded!");
+        log.info(String.format("Account balance: R$ %.2f", fromClient.getAccount().getBalance()));
+
+        return fromClient;
+    }
+
+}
diff --git a/WebServices/transfer/src/main/resources/application.yml b/WebServices/transfer/src/main/resources/application.yml
new file mode 100644
index 0000000000000000000000000000000000000000..30d93a08178d69ec7c4fd91ff512635465a266b1
--- /dev/null
+++ b/WebServices/transfer/src/main/resources/application.yml
@@ -0,0 +1,25 @@
+server:
+  port: 8086
+eureka:
+  instance:
+    prefer-ip-address: true
+  client:
+    service-url:
+      defaultZone: http://registry:8081/eureka/
+    fetch-registry: true
+    register-with-eureka: true
+
+spring:
+  application:
+    name: transfer
+  datasource:
+    url: jdbc:postgresql://postgresServ:5432/postgres
+    username: postgres
+    password: postgres
+  jpa:
+    show-sql: false
+    database-platform: org.hibernate.dialect.PostgreSQL9Dialect
+    hibernate:
+      ddl-auto: update
+  jmx:
+    enabled: false
\ No newline at end of file
diff --git a/WebServices/transfer/src/test/java/br/ufrn/imd/withdrawal/CourseApplicationTests.java b/WebServices/transfer/src/test/java/br/ufrn/imd/withdrawal/CourseApplicationTests.java
new file mode 100644
index 0000000000000000000000000000000000000000..b84743fe08d4bfdafd2ba2588a9a532fa80fa854
--- /dev/null
+++ b/WebServices/transfer/src/test/java/br/ufrn/imd/withdrawal/CourseApplicationTests.java
@@ -0,0 +1,16 @@
+package br.ufrn.imd.withdrawal;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class CourseApplicationTests {
+
+	@Test
+	public void contextLoads() {
+	}
+
+}
diff --git a/WebServices/transfer/target/classes/application.yml b/WebServices/transfer/target/classes/application.yml
new file mode 100644
index 0000000000000000000000000000000000000000..30d93a08178d69ec7c4fd91ff512635465a266b1
--- /dev/null
+++ b/WebServices/transfer/target/classes/application.yml
@@ -0,0 +1,25 @@
+server:
+  port: 8086
+eureka:
+  instance:
+    prefer-ip-address: true
+  client:
+    service-url:
+      defaultZone: http://registry:8081/eureka/
+    fetch-registry: true
+    register-with-eureka: true
+
+spring:
+  application:
+    name: transfer
+  datasource:
+    url: jdbc:postgresql://postgresServ:5432/postgres
+    username: postgres
+    password: postgres
+  jpa:
+    show-sql: false
+    database-platform: org.hibernate.dialect.PostgreSQL9Dialect
+    hibernate:
+      ddl-auto: update
+  jmx:
+    enabled: false
\ No newline at end of file
diff --git a/WebServices/transfer/target/maven-archiver/pom.properties b/WebServices/transfer/target/maven-archiver/pom.properties
new file mode 100644
index 0000000000000000000000000000000000000000..40e39ac6c141c3a9570e5c28983b998ab8e843ae
--- /dev/null
+++ b/WebServices/transfer/target/maven-archiver/pom.properties
@@ -0,0 +1,4 @@
+#Created by Apache Maven 3.8.4
+groupId=br.ufrn.imd
+artifactId=transfer
+version=0.0.1-SNAPSHOT
diff --git a/WebServices/transfer/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst b/WebServices/transfer/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
new file mode 100644
index 0000000000000000000000000000000000000000..73a0ccf74d20d1c880891409cf59bd82a3c8f36c
--- /dev/null
+++ b/WebServices/transfer/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
@@ -0,0 +1,6 @@
+br\ufrn\imd\transfer\domain\Account.class
+br\ufrn\imd\transfer\TransferApplication.class
+br\ufrn\imd\transfer\service\TransferService.class
+br\ufrn\imd\transfer\controller\TransferController.class
+br\ufrn\imd\transfer\domain\Client.class
+br\ufrn\imd\transfer\repository\ClientRepository.class
diff --git a/WebServices/transfer/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst b/WebServices/transfer/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
new file mode 100644
index 0000000000000000000000000000000000000000..2a4e6d7faa424f6a7400b1afa21fb30adef02a4a
--- /dev/null
+++ b/WebServices/transfer/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
@@ -0,0 +1,6 @@
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\transfer\src\main\java\br\ufrn\imd\transfer\repository\ClientRepository.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\transfer\src\main\java\br\ufrn\imd\transfer\controller\TransferController.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\transfer\src\main\java\br\ufrn\imd\transfer\domain\Client.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\transfer\src\main\java\br\ufrn\imd\transfer\service\TransferService.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\transfer\src\main\java\br\ufrn\imd\transfer\domain\Account.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\transfer\src\main\java\br\ufrn\imd\transfer\TransferApplication.java
diff --git a/WebServices/transfer/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst b/WebServices/transfer/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst
new file mode 100644
index 0000000000000000000000000000000000000000..3a5345ad0769a7ebacaabdd4abc78f4ee36396a5
--- /dev/null
+++ b/WebServices/transfer/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst
@@ -0,0 +1 @@
+br\ufrn\imd\withdrawal\CourseApplicationTests.class
diff --git a/WebServices/transfer/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst b/WebServices/transfer/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst
new file mode 100644
index 0000000000000000000000000000000000000000..53b7d27bca88aa20406b0ef108af0a6eabf9c8d0
--- /dev/null
+++ b/WebServices/transfer/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst
@@ -0,0 +1 @@
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\transfer\src\test\java\br\ufrn\imd\withdrawal\CourseApplicationTests.java
diff --git a/WebServices/withdrawal/.DS_Store b/WebServices/withdrawal/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..5008ddfcf53c02e82d7eee2e57c38e5672ef89f6
Binary files /dev/null and b/WebServices/withdrawal/.DS_Store differ
diff --git a/WebServices/withdrawal/.gitignore b/WebServices/withdrawal/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..ba5cb5cca8766c8b2403d25de25b1c880c5ef64a
--- /dev/null
+++ b/WebServices/withdrawal/.gitignore
@@ -0,0 +1,26 @@
+HELP.md
+/target/
+!.mvn/wrapper/maven-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+/build/
diff --git a/WebServices/withdrawal/.mvn/wrapper/MavenWrapperDownloader.java b/WebServices/withdrawal/.mvn/wrapper/MavenWrapperDownloader.java
new file mode 100644
index 0000000000000000000000000000000000000000..47336fde724164b1329ed3595f5b6bff09f7c179
--- /dev/null
+++ b/WebServices/withdrawal/.mvn/wrapper/MavenWrapperDownloader.java
@@ -0,0 +1,114 @@
+/*
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements.  See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership.  The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License.  You may obtain a copy of the License at
+
+  http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied.  See the License for the
+specific language governing permissions and limitations
+under the License.
+*/
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.net.URL;
+import java.nio.channels.Channels;
+import java.nio.channels.ReadableByteChannel;
+import java.util.Properties;
+
+public class MavenWrapperDownloader {
+
+    /**
+     * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
+     */
+    private static final String DEFAULT_DOWNLOAD_URL =
+            "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar";
+
+    /**
+     * Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
+     * use instead of the default one.
+     */
+    private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
+            ".mvn/wrapper/maven-wrapper.properties";
+
+    /**
+     * Path where the maven-wrapper.jar will be saved to.
+     */
+    private static final String MAVEN_WRAPPER_JAR_PATH =
+            ".mvn/wrapper/maven-wrapper.jar";
+
+    /**
+     * Name of the property which should be used to override the default download url for the wrapper.
+     */
+    private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
+
+    public static void main(String args[]) {
+        System.out.println("- Downloader started");
+        File baseDirectory = new File(args[0]);
+        System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
+
+        // If the maven-wrapper.properties exists, read it and check if it contains a custom
+        // wrapperUrl parameter.
+        File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
+        String url = DEFAULT_DOWNLOAD_URL;
+        if(mavenWrapperPropertyFile.exists()) {
+            FileInputStream mavenWrapperPropertyFileInputStream = null;
+            try {
+                mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
+                Properties mavenWrapperProperties = new Properties();
+                mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
+                url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
+            } catch (IOException e) {
+                System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
+            } finally {
+                try {
+                    if(mavenWrapperPropertyFileInputStream != null) {
+                        mavenWrapperPropertyFileInputStream.close();
+                    }
+                } catch (IOException e) {
+                    // Ignore ...
+                }
+            }
+        }
+        System.out.println("- Downloading from: : " + url);
+
+        File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
+        if(!outputFile.getParentFile().exists()) {
+            if(!outputFile.getParentFile().mkdirs()) {
+                System.out.println(
+                        "- ERROR creating output direcrory '" + outputFile.getParentFile().getAbsolutePath() + "'");
+            }
+        }
+        System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
+        try {
+            downloadFileFromURL(url, outputFile);
+            System.out.println("Done");
+            System.exit(0);
+        } catch (Throwable e) {
+            System.out.println("- Error downloading");
+            e.printStackTrace();
+            System.exit(1);
+        }
+    }
+
+    private static void downloadFileFromURL(String urlString, File destination) throws Exception {
+        URL website = new URL(urlString);
+        ReadableByteChannel rbc;
+        rbc = Channels.newChannel(website.openStream());
+        FileOutputStream fos = new FileOutputStream(destination);
+        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
+        fos.close();
+        rbc.close();
+    }
+
+}
diff --git a/WebServices/withdrawal/.mvn/wrapper/maven-wrapper.jar b/WebServices/withdrawal/.mvn/wrapper/maven-wrapper.jar
new file mode 100644
index 0000000000000000000000000000000000000000..01e67997377a393fd672c7dcde9dccbedf0cb1e9
Binary files /dev/null and b/WebServices/withdrawal/.mvn/wrapper/maven-wrapper.jar differ
diff --git a/WebServices/withdrawal/.mvn/wrapper/maven-wrapper.properties b/WebServices/withdrawal/.mvn/wrapper/maven-wrapper.properties
new file mode 100644
index 0000000000000000000000000000000000000000..cd0d451ccd6fc835996c9fe4eebf8a571154f515
--- /dev/null
+++ b/WebServices/withdrawal/.mvn/wrapper/maven-wrapper.properties
@@ -0,0 +1 @@
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip
diff --git a/WebServices/withdrawal/Dockerfile b/WebServices/withdrawal/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..9885e7466359c0bd6426716ab718c12064632b70
--- /dev/null
+++ b/WebServices/withdrawal/Dockerfile
@@ -0,0 +1,3 @@
+FROM openjdk:11
+COPY target/withdrawal.jar  withdrawal.jar
+ENTRYPOINT ["java","-jar","withdrawal.jar"]
\ No newline at end of file
diff --git a/WebServices/withdrawal/mvnw b/WebServices/withdrawal/mvnw
new file mode 100755
index 0000000000000000000000000000000000000000..5551fde8e7dba1e37a1821e8b26374893e2a9e2e
--- /dev/null
+++ b/WebServices/withdrawal/mvnw
@@ -0,0 +1,286 @@
+#!/bin/sh
+# ----------------------------------------------------------------------------
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+# ----------------------------------------------------------------------------
+
+# ----------------------------------------------------------------------------
+# Maven2 Start Up Batch script
+#
+# Required ENV vars:
+# ------------------
+#   JAVA_HOME - location of a JDK home dir
+#
+# Optional ENV vars
+# -----------------
+#   M2_HOME - location of maven2's installed home dir
+#   MAVEN_OPTS - parameters passed to the Java VM when running Maven
+#     e.g. to debug Maven itself, use
+#       set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+#   MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+# ----------------------------------------------------------------------------
+
+if [ -z "$MAVEN_SKIP_RC" ] ; then
+
+  if [ -f /etc/mavenrc ] ; then
+    . /etc/mavenrc
+  fi
+
+  if [ -f "$HOME/.mavenrc" ] ; then
+    . "$HOME/.mavenrc"
+  fi
+
+fi
+
+# OS specific support.  $var _must_ be set to either true or false.
+cygwin=false;
+darwin=false;
+mingw=false
+case "`uname`" in
+  CYGWIN*) cygwin=true ;;
+  MINGW*) mingw=true;;
+  Darwin*) darwin=true
+    # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
+    # See https://developer.apple.com/library/mac/qa/qa1170/_index.html
+    if [ -z "$JAVA_HOME" ]; then
+      if [ -x "/usr/libexec/java_home" ]; then
+        export JAVA_HOME="`/usr/libexec/java_home`"
+      else
+        export JAVA_HOME="/Library/Java/Home"
+      fi
+    fi
+    ;;
+esac
+
+if [ -z "$JAVA_HOME" ] ; then
+  if [ -r /etc/gentoo-release ] ; then
+    JAVA_HOME=`java-config --jre-home`
+  fi
+fi
+
+if [ -z "$M2_HOME" ] ; then
+  ## resolve links - $0 may be a link to maven's home
+  PRG="$0"
+
+  # need this for relative symlinks
+  while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+      PRG="$link"
+    else
+      PRG="`dirname "$PRG"`/$link"
+    fi
+  done
+
+  saveddir=`pwd`
+
+  M2_HOME=`dirname "$PRG"`/..
+
+  # make it fully qualified
+  M2_HOME=`cd "$M2_HOME" && pwd`
+
+  cd "$saveddir"
+  # echo Using m2 at $M2_HOME
+fi
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched
+if $cygwin ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --unix "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
+fi
+
+# For Mingw, ensure paths are in UNIX format before anything is touched
+if $mingw ; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME="`(cd "$M2_HOME"; pwd)`"
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
+  # TODO classpath?
+fi
+
+if [ -z "$JAVA_HOME" ]; then
+  javaExecutable="`which javac`"
+  if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
+    # readlink(1) is not available as standard on Solaris 10.
+    readLink=`which readlink`
+    if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
+      if $darwin ; then
+        javaHome="`dirname \"$javaExecutable\"`"
+        javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
+      else
+        javaExecutable="`readlink -f \"$javaExecutable\"`"
+      fi
+      javaHome="`dirname \"$javaExecutable\"`"
+      javaHome=`expr "$javaHome" : '\(.*\)/bin'`
+      JAVA_HOME="$javaHome"
+      export JAVA_HOME
+    fi
+  fi
+fi
+
+if [ -z "$JAVACMD" ] ; then
+  if [ -n "$JAVA_HOME"  ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+      # IBM's JDK on AIX uses strange locations for the executables
+      JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+      JAVACMD="$JAVA_HOME/bin/java"
+    fi
+  else
+    JAVACMD="`which java`"
+  fi
+fi
+
+if [ ! -x "$JAVACMD" ] ; then
+  echo "Error: JAVA_HOME is not defined correctly." >&2
+  echo "  We cannot execute $JAVACMD" >&2
+  exit 1
+fi
+
+if [ -z "$JAVA_HOME" ] ; then
+  echo "Warning: JAVA_HOME environment variable is not set."
+fi
+
+CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
+
+# traverses directory structure from process work directory to filesystem root
+# first directory with .mvn subdirectory is considered project base directory
+find_maven_basedir() {
+
+  if [ -z "$1" ]
+  then
+    echo "Path not specified to find_maven_basedir"
+    return 1
+  fi
+
+  basedir="$1"
+  wdir="$1"
+  while [ "$wdir" != '/' ] ; do
+    if [ -d "$wdir"/.mvn ] ; then
+      basedir=$wdir
+      break
+    fi
+    # workaround for JBEAP-8937 (on Solaris 10/Sparc)
+    if [ -d "${wdir}" ]; then
+      wdir=`cd "$wdir/.."; pwd`
+    fi
+    # end of workaround
+  done
+  echo "${basedir}"
+}
+
+# concatenates all lines of a file
+concat_lines() {
+  if [ -f "$1" ]; then
+    echo "$(tr -s '\n' ' ' < "$1")"
+  fi
+}
+
+BASE_DIR=`find_maven_basedir "$(pwd)"`
+if [ -z "$BASE_DIR" ]; then
+  exit 1;
+fi
+
+##########################################################################################
+# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+# This allows using the maven wrapper in projects that prohibit checking in binary data.
+##########################################################################################
+if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Found .mvn/wrapper/maven-wrapper.jar"
+    fi
+else
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
+    fi
+    jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+    while IFS="=" read key value; do
+      case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
+      esac
+    done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
+    if [ "$MVNW_VERBOSE" = true ]; then
+      echo "Downloading from: $jarUrl"
+    fi
+    wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
+
+    if command -v wget > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found wget ... using wget"
+        fi
+        wget "$jarUrl" -O "$wrapperJarPath"
+    elif command -v curl > /dev/null; then
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Found curl ... using curl"
+        fi
+        curl -o "$wrapperJarPath" "$jarUrl"
+    else
+        if [ "$MVNW_VERBOSE" = true ]; then
+          echo "Falling back to using Java to download"
+        fi
+        javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
+        if [ -e "$javaClass" ]; then
+            if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Compiling MavenWrapperDownloader.java ..."
+                fi
+                # Compiling the Java class
+                ("$JAVA_HOME/bin/javac" "$javaClass")
+            fi
+            if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
+                # Running the downloader
+                if [ "$MVNW_VERBOSE" = true ]; then
+                  echo " - Running MavenWrapperDownloader.java ..."
+                fi
+                ("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
+            fi
+        fi
+    fi
+fi
+##########################################################################################
+# End of extension
+##########################################################################################
+
+export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
+if [ "$MVNW_VERBOSE" = true ]; then
+  echo $MAVEN_PROJECTBASEDIR
+fi
+MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin; then
+  [ -n "$M2_HOME" ] &&
+    M2_HOME=`cygpath --path --windows "$M2_HOME"`
+  [ -n "$JAVA_HOME" ] &&
+    JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
+  [ -n "$CLASSPATH" ] &&
+    CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
+  [ -n "$MAVEN_PROJECTBASEDIR" ] &&
+    MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
+fi
+
+WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+exec "$JAVACMD" \
+  $MAVEN_OPTS \
+  -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
+  "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
+  ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"
diff --git a/WebServices/withdrawal/mvnw.cmd b/WebServices/withdrawal/mvnw.cmd
new file mode 100644
index 0000000000000000000000000000000000000000..e5cfb0ae9eab80c314b7d79c164d4a00772824b8
--- /dev/null
+++ b/WebServices/withdrawal/mvnw.cmd
@@ -0,0 +1,161 @@
+@REM ----------------------------------------------------------------------------
+@REM Licensed to the Apache Software Foundation (ASF) under one
+@REM or more contributor license agreements.  See the NOTICE file
+@REM distributed with this work for additional information
+@REM regarding copyright ownership.  The ASF licenses this file
+@REM to you under the Apache License, Version 2.0 (the
+@REM "License"); you may not use this file except in compliance
+@REM with the License.  You may obtain a copy of the License at
+@REM
+@REM    http://www.apache.org/licenses/LICENSE-2.0
+@REM
+@REM Unless required by applicable law or agreed to in writing,
+@REM software distributed under the License is distributed on an
+@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+@REM KIND, either express or implied.  See the License for the
+@REM specific language governing permissions and limitations
+@REM under the License.
+@REM ----------------------------------------------------------------------------
+
+@REM ----------------------------------------------------------------------------
+@REM Maven2 Start Up Batch script
+@REM
+@REM Required ENV vars:
+@REM JAVA_HOME - location of a JDK home dir
+@REM
+@REM Optional ENV vars
+@REM M2_HOME - location of maven2's installed home dir
+@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
+@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
+@REM     e.g. to debug Maven itself, use
+@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
+@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
+@REM ----------------------------------------------------------------------------
+
+@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
+@echo off
+@REM set title of command window
+title %0
+@REM enable echoing my setting MAVEN_BATCH_ECHO to 'on'
+@if "%MAVEN_BATCH_ECHO%" == "on"  echo %MAVEN_BATCH_ECHO%
+
+@REM set %HOME% to equivalent of $HOME
+if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
+
+@REM Execute a user defined script before this one
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
+@REM check for pre script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
+if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
+:skipRcPre
+
+@setlocal
+
+set ERROR_CODE=0
+
+@REM To isolate internal variables from possible post scripts, we use another setlocal
+@setlocal
+
+@REM ==== START VALIDATION ====
+if not "%JAVA_HOME%" == "" goto OkJHome
+
+echo.
+echo Error: JAVA_HOME not found in your environment. >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+:OkJHome
+if exist "%JAVA_HOME%\bin\java.exe" goto init
+
+echo.
+echo Error: JAVA_HOME is set to an invalid directory. >&2
+echo JAVA_HOME = "%JAVA_HOME%" >&2
+echo Please set the JAVA_HOME variable in your environment to match the >&2
+echo location of your Java installation. >&2
+echo.
+goto error
+
+@REM ==== END VALIDATION ====
+
+:init
+
+@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
+@REM Fallback to current working directory if not found.
+
+set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
+IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
+
+set EXEC_DIR=%CD%
+set WDIR=%EXEC_DIR%
+:findBaseDir
+IF EXIST "%WDIR%"\.mvn goto baseDirFound
+cd ..
+IF "%WDIR%"=="%CD%" goto baseDirNotFound
+set WDIR=%CD%
+goto findBaseDir
+
+:baseDirFound
+set MAVEN_PROJECTBASEDIR=%WDIR%
+cd "%EXEC_DIR%"
+goto endDetectBaseDir
+
+:baseDirNotFound
+set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
+cd "%EXEC_DIR%"
+
+:endDetectBaseDir
+
+IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
+
+@setlocal EnableExtensions EnableDelayedExpansion
+for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
+@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
+
+:endReadAdditionalConfig
+
+SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
+set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
+set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
+
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
+FOR /F "tokens=1,2 delims==" %%A IN (%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties) DO (
+	IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B 
+)
+
+@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
+@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
+if exist %WRAPPER_JAR% (
+    echo Found %WRAPPER_JAR%
+) else (
+    echo Couldn't find %WRAPPER_JAR%, downloading it ...
+	echo Downloading from: %DOWNLOAD_URL%
+    powershell -Command "(New-Object Net.WebClient).DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"
+    echo Finished downloading %WRAPPER_JAR%
+)
+@REM End of extension
+
+%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
+if ERRORLEVEL 1 goto error
+goto end
+
+:error
+set ERROR_CODE=1
+
+:end
+@endlocal & set ERROR_CODE=%ERROR_CODE%
+
+if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
+@REM check for post script, once with legacy .bat ending and once with .cmd ending
+if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
+if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
+:skipRcPost
+
+@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
+if "%MAVEN_BATCH_PAUSE%" == "on" pause
+
+if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
+
+exit /B %ERROR_CODE%
diff --git a/WebServices/withdrawal/pom.xml b/WebServices/withdrawal/pom.xml
new file mode 100644
index 0000000000000000000000000000000000000000..55a797289c948be048f8de552cd718a9673b4d66
--- /dev/null
+++ b/WebServices/withdrawal/pom.xml
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>br.ufrn.imd</groupId>
+        <artifactId>dim0614</artifactId>
+        <version>1.0-SNAPSHOT</version>
+        <relativePath>../</relativePath> <!-- lookup parent from repository -->
+    </parent>
+
+    <artifactId>withdrawal</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>withdrawal</name>
+    <description>Spring Boot Micro-services By DevDojo</description>
+
+    <properties>
+        <java.version>11</java.version>
+    </properties>
+
+    <build>
+        <finalName>withdrawal</finalName>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <executable>true</executable>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.0</version>
+                <configuration>
+                    <source>11</source>
+                    <target>11</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>
diff --git a/WebServices/withdrawal/src/main/java/br/ufrn/imd/withdrawal/WithdrawalApplication.java b/WebServices/withdrawal/src/main/java/br/ufrn/imd/withdrawal/WithdrawalApplication.java
new file mode 100644
index 0000000000000000000000000000000000000000..0c09c3de4bd4fa07cd42e583d3b259492bcc46cd
--- /dev/null
+++ b/WebServices/withdrawal/src/main/java/br/ufrn/imd/withdrawal/WithdrawalApplication.java
@@ -0,0 +1,14 @@
+package br.ufrn.imd.withdrawal;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+
+public class WithdrawalApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(WithdrawalApplication.class, args);
+	}
+
+}
diff --git a/WebServices/withdrawal/src/main/java/br/ufrn/imd/withdrawal/controller/WithdrawalController.java b/WebServices/withdrawal/src/main/java/br/ufrn/imd/withdrawal/controller/WithdrawalController.java
new file mode 100644
index 0000000000000000000000000000000000000000..4c62168d127f7f8cbc33de7b96e33c147662814b
--- /dev/null
+++ b/WebServices/withdrawal/src/main/java/br/ufrn/imd/withdrawal/controller/WithdrawalController.java
@@ -0,0 +1,18 @@
+package br.ufrn.imd.withdrawal.controller;
+
+import br.ufrn.imd.withdrawal.domain.Client;
+import br.ufrn.imd.withdrawal.service.WithdrawalService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+@RequiredArgsConstructor
+@RestController
+@RequestMapping("/banking/client/{id}")
+public class WithdrawalController {
+    private final WithdrawalService service;
+
+    @GetMapping
+    public Client withdrawal(@PathVariable Integer id, @RequestParam(name = "value") Double value) {
+        return service.withdraw(value, new Client(id));
+    }
+}
diff --git a/WebServices/withdrawal/src/main/java/br/ufrn/imd/withdrawal/domain/Account.java b/WebServices/withdrawal/src/main/java/br/ufrn/imd/withdrawal/domain/Account.java
new file mode 100644
index 0000000000000000000000000000000000000000..5dc148a4f8604bfcdf64ca00a3e77868dabf7970
--- /dev/null
+++ b/WebServices/withdrawal/src/main/java/br/ufrn/imd/withdrawal/domain/Account.java
@@ -0,0 +1,26 @@
+package br.ufrn.imd.withdrawal.domain;
+
+import lombok.*;
+
+import javax.persistence.*;
+import java.io.Serializable;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Data
+@Entity
+public class Account implements Serializable {
+
+    private static final long serialVersionUID = 2L;
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    @Column(unique = true)
+    private String number;
+
+    private Double balance;
+
+    private String password;
+}
diff --git a/WebServices/withdrawal/src/main/java/br/ufrn/imd/withdrawal/domain/Client.java b/WebServices/withdrawal/src/main/java/br/ufrn/imd/withdrawal/domain/Client.java
new file mode 100644
index 0000000000000000000000000000000000000000..15df30b4413fab7e4dc7b3588d79bf4cbfb8563b
--- /dev/null
+++ b/WebServices/withdrawal/src/main/java/br/ufrn/imd/withdrawal/domain/Client.java
@@ -0,0 +1,29 @@
+package br.ufrn.imd.withdrawal.domain;
+
+import lombok.*;
+
+import javax.persistence.*;
+import java.io.Serializable;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Data
+@Entity
+public class Client implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Integer id;
+
+    private String name;
+
+    @OneToOne(cascade = CascadeType.ALL)
+    @JoinColumn(name = "account_id")
+    private Account account;
+
+    public Client(Integer id) {
+        this.id = id;
+    }
+}
diff --git a/WebServices/withdrawal/src/main/java/br/ufrn/imd/withdrawal/repository/ClientRepository.java b/WebServices/withdrawal/src/main/java/br/ufrn/imd/withdrawal/repository/ClientRepository.java
new file mode 100644
index 0000000000000000000000000000000000000000..f2ab6a92c937cacd72c6db0169082da9970beb2e
--- /dev/null
+++ b/WebServices/withdrawal/src/main/java/br/ufrn/imd/withdrawal/repository/ClientRepository.java
@@ -0,0 +1,16 @@
+package br.ufrn.imd.withdrawal.repository;
+
+import br.ufrn.imd.withdrawal.domain.Client;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.stereotype.Repository;
+
+import java.util.Optional;
+
+@Repository
+public interface ClientRepository extends JpaRepository<Client, Integer> {
+
+    @Query(value = "SELECT c from Client c where c.account.number = ?1")
+    Optional<Client> findByAccountNumber(String number);
+
+}
diff --git a/WebServices/withdrawal/src/main/java/br/ufrn/imd/withdrawal/service/WithdrawalService.java b/WebServices/withdrawal/src/main/java/br/ufrn/imd/withdrawal/service/WithdrawalService.java
new file mode 100644
index 0000000000000000000000000000000000000000..b11e71f87953de0acfdf71f29ac3896d4e47f753
--- /dev/null
+++ b/WebServices/withdrawal/src/main/java/br/ufrn/imd/withdrawal/service/WithdrawalService.java
@@ -0,0 +1,29 @@
+package br.ufrn.imd.withdrawal.service;
+
+import br.ufrn.imd.withdrawal.domain.Account;
+import br.ufrn.imd.withdrawal.domain.Client;
+import br.ufrn.imd.withdrawal.repository.ClientRepository;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.java.Log;
+import org.springframework.stereotype.Service;
+
+@Log
+@RequiredArgsConstructor
+@Service
+public class WithdrawalService {
+    private final ClientRepository clientRepository;
+
+    public Client withdraw(Double value, Client client) {
+        client = clientRepository.findById(client.getId())
+                .orElseThrow(() -> new RuntimeException("Invalid user!"));
+
+        Account account = client.getAccount();
+        if(value > account.getBalance()) throw new RuntimeException("Insufficient balance");
+
+        account.setBalance(account.getBalance() - value);
+        client = clientRepository.save(client);
+        log.info("Withdrawal concluded!");
+        log.info(String.format("Account balance: R$ %.2f", client.getAccount().getBalance()));
+        return client;
+    }
+}
diff --git a/WebServices/withdrawal/src/main/resources/application.yml b/WebServices/withdrawal/src/main/resources/application.yml
new file mode 100644
index 0000000000000000000000000000000000000000..f873ad3e8d5609ffeab3784d2988b55fb66fe7a0
--- /dev/null
+++ b/WebServices/withdrawal/src/main/resources/application.yml
@@ -0,0 +1,25 @@
+server:
+  port: 8083
+eureka:
+  instance:
+    prefer-ip-address: true
+  client:
+    service-url:
+      defaultZone: http://registry:8081/eureka/
+    fetch-registry: true
+    register-with-eureka: true
+
+spring:
+  application:
+    name: withdrawal
+  datasource:
+    url: jdbc:postgresql://postgresServ:5432/postgres
+    username: postgres
+    password: postgres
+  jpa:
+    show-sql: false
+    database-platform: org.hibernate.dialect.PostgreSQL9Dialect
+    hibernate:
+      ddl-auto: create
+  jmx:
+    enabled: false
\ No newline at end of file
diff --git a/WebServices/withdrawal/src/test/java/br/ufrn/imd/withdrawal/CourseApplicationTests.java b/WebServices/withdrawal/src/test/java/br/ufrn/imd/withdrawal/CourseApplicationTests.java
new file mode 100644
index 0000000000000000000000000000000000000000..b84743fe08d4bfdafd2ba2588a9a532fa80fa854
--- /dev/null
+++ b/WebServices/withdrawal/src/test/java/br/ufrn/imd/withdrawal/CourseApplicationTests.java
@@ -0,0 +1,16 @@
+package br.ufrn.imd.withdrawal;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class CourseApplicationTests {
+
+	@Test
+	public void contextLoads() {
+	}
+
+}
diff --git a/WebServices/withdrawal/target/classes/application.yml b/WebServices/withdrawal/target/classes/application.yml
new file mode 100644
index 0000000000000000000000000000000000000000..f873ad3e8d5609ffeab3784d2988b55fb66fe7a0
--- /dev/null
+++ b/WebServices/withdrawal/target/classes/application.yml
@@ -0,0 +1,25 @@
+server:
+  port: 8083
+eureka:
+  instance:
+    prefer-ip-address: true
+  client:
+    service-url:
+      defaultZone: http://registry:8081/eureka/
+    fetch-registry: true
+    register-with-eureka: true
+
+spring:
+  application:
+    name: withdrawal
+  datasource:
+    url: jdbc:postgresql://postgresServ:5432/postgres
+    username: postgres
+    password: postgres
+  jpa:
+    show-sql: false
+    database-platform: org.hibernate.dialect.PostgreSQL9Dialect
+    hibernate:
+      ddl-auto: create
+  jmx:
+    enabled: false
\ No newline at end of file
diff --git a/WebServices/withdrawal/target/classes/br/ufrn/imd/withdrawal/WithdrawalApplication.class b/WebServices/withdrawal/target/classes/br/ufrn/imd/withdrawal/WithdrawalApplication.class
new file mode 100644
index 0000000000000000000000000000000000000000..8a77e83faf07299900ed08c14b530413e659f15e
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diff --git a/WebServices/withdrawal/target/classes/br/ufrn/imd/withdrawal/controller/WithdrawalController.class b/WebServices/withdrawal/target/classes/br/ufrn/imd/withdrawal/controller/WithdrawalController.class
new file mode 100644
index 0000000000000000000000000000000000000000..e082a1c4d1a005d3a3039a0288eaee9494098276
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diff --git a/WebServices/withdrawal/target/classes/br/ufrn/imd/withdrawal/domain/Account.class b/WebServices/withdrawal/target/classes/br/ufrn/imd/withdrawal/domain/Account.class
new file mode 100644
index 0000000000000000000000000000000000000000..6c11f0e5d29c3870ff0027e55ee6890adcc560fb
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diff --git a/WebServices/withdrawal/target/classes/br/ufrn/imd/withdrawal/domain/Client.class b/WebServices/withdrawal/target/classes/br/ufrn/imd/withdrawal/domain/Client.class
new file mode 100644
index 0000000000000000000000000000000000000000..d0f30c239c03971ba491deee2bbfb58dcf0a8f4a
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diff --git a/WebServices/withdrawal/target/classes/br/ufrn/imd/withdrawal/repository/ClientRepository.class b/WebServices/withdrawal/target/classes/br/ufrn/imd/withdrawal/repository/ClientRepository.class
new file mode 100644
index 0000000000000000000000000000000000000000..cac00542eafbda4dc9b6de42f0e978b7fa504608
Binary files /dev/null and b/WebServices/withdrawal/target/classes/br/ufrn/imd/withdrawal/repository/ClientRepository.class differ
diff --git a/WebServices/withdrawal/target/classes/br/ufrn/imd/withdrawal/service/WithdrawalService.class b/WebServices/withdrawal/target/classes/br/ufrn/imd/withdrawal/service/WithdrawalService.class
new file mode 100644
index 0000000000000000000000000000000000000000..1039671381d13650ad65fc7e69a2e9715ae999ba
Binary files /dev/null and b/WebServices/withdrawal/target/classes/br/ufrn/imd/withdrawal/service/WithdrawalService.class differ
diff --git a/WebServices/withdrawal/target/maven-archiver/pom.properties b/WebServices/withdrawal/target/maven-archiver/pom.properties
new file mode 100644
index 0000000000000000000000000000000000000000..91e3e62c8c101e08d504dc1aa799ce4adce805b1
--- /dev/null
+++ b/WebServices/withdrawal/target/maven-archiver/pom.properties
@@ -0,0 +1,4 @@
+#Created by Apache Maven 3.8.4
+groupId=br.ufrn.imd
+artifactId=withdrawal
+version=0.0.1-SNAPSHOT
diff --git a/WebServices/withdrawal/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst b/WebServices/withdrawal/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
new file mode 100644
index 0000000000000000000000000000000000000000..28229e8b7730aed9abc5090e0519d0499f82d0f8
--- /dev/null
+++ b/WebServices/withdrawal/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst
@@ -0,0 +1,6 @@
+br\ufrn\imd\withdrawal\domain\Account.class
+br\ufrn\imd\withdrawal\domain\Client.class
+br\ufrn\imd\withdrawal\WithdrawalApplication.class
+br\ufrn\imd\withdrawal\service\WithdrawalService.class
+br\ufrn\imd\withdrawal\controller\WithdrawalController.class
+br\ufrn\imd\withdrawal\repository\ClientRepository.class
diff --git a/WebServices/withdrawal/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst b/WebServices/withdrawal/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
new file mode 100644
index 0000000000000000000000000000000000000000..f0c96b287a0d63b4884344c085d5de5c789575e3
--- /dev/null
+++ b/WebServices/withdrawal/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst
@@ -0,0 +1,6 @@
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\withdrawal\src\main\java\br\ufrn\imd\withdrawal\domain\Account.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\withdrawal\src\main\java\br\ufrn\imd\withdrawal\domain\Client.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\withdrawal\src\main\java\br\ufrn\imd\withdrawal\WithdrawalApplication.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\withdrawal\src\main\java\br\ufrn\imd\withdrawal\repository\ClientRepository.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\withdrawal\src\main\java\br\ufrn\imd\withdrawal\controller\WithdrawalController.java
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\withdrawal\src\main\java\br\ufrn\imd\withdrawal\service\WithdrawalService.java
diff --git a/WebServices/withdrawal/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst b/WebServices/withdrawal/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst
new file mode 100644
index 0000000000000000000000000000000000000000..3a5345ad0769a7ebacaabdd4abc78f4ee36396a5
--- /dev/null
+++ b/WebServices/withdrawal/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/createdFiles.lst
@@ -0,0 +1 @@
+br\ufrn\imd\withdrawal\CourseApplicationTests.class
diff --git a/WebServices/withdrawal/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst b/WebServices/withdrawal/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst
new file mode 100644
index 0000000000000000000000000000000000000000..bb62f833d933e8ccda5183988e551c989fbbad0a
--- /dev/null
+++ b/WebServices/withdrawal/target/maven-status/maven-compiler-plugin/testCompile/default-testCompile/inputFiles.lst
@@ -0,0 +1 @@
+C:\Users\maria\Documents\Projetos\dim0614\WebServices\withdrawal\src\test\java\br\ufrn\imd\withdrawal\CourseApplicationTests.java
diff --git a/banking-server/target/classes/ufrn/imd/BankingServerApp.class b/banking-server/target/classes/ufrn/imd/BankingServerApp.class
deleted file mode 100644
index d2be3c2c2aa3de8f81a018455bbf467e4d6bfe88..0000000000000000000000000000000000000000
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diff --git a/banking-server/target/classes/ufrn/imd/controller/Controller.class b/banking-server/target/classes/ufrn/imd/controller/Controller.class
deleted file mode 100644
index d963fb57c51b2717ad5df0b7a9c8b917478a9e46..0000000000000000000000000000000000000000
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diff --git a/banking-server/target/classes/ufrn/imd/controller/impl/BalanceControllerImpl.class b/banking-server/target/classes/ufrn/imd/controller/impl/BalanceControllerImpl.class
deleted file mode 100644
index d21c3306c0a4f767e4fda868fd072ae710e59058..0000000000000000000000000000000000000000
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diff --git a/banking-server/target/classes/ufrn/imd/controller/impl/DepositControllerImpl.class b/banking-server/target/classes/ufrn/imd/controller/impl/DepositControllerImpl.class
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index 78b16605a3148faa5588123ef88a11f98ff3a3ce..0000000000000000000000000000000000000000
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diff --git a/banking-server/target/classes/ufrn/imd/domain/Account.class b/banking-server/target/classes/ufrn/imd/domain/Account.class
deleted file mode 100644
index 06c1afe87e3de366a0157786e0a200a2309ba51b..0000000000000000000000000000000000000000
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diff --git a/banking-server/target/classes/ufrn/imd/domain/Client.class b/banking-server/target/classes/ufrn/imd/domain/Client.class
deleted file mode 100644
index e09b310a54921733a8906a5ffc2612b07666c2b6..0000000000000000000000000000000000000000
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diff --git a/banking-server/target/classes/ufrn/imd/repository/Repository.class b/banking-server/target/classes/ufrn/imd/repository/Repository.class
deleted file mode 100644
index 1a11f1ee8fe4d9f5937cf449985bd127fe02bb02..0000000000000000000000000000000000000000
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diff --git a/banking-server/target/classes/ufrn/imd/repository/impl/ClientRepository.class b/banking-server/target/classes/ufrn/imd/repository/impl/ClientRepository.class
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index 658438575ee7bb42b918da5360c0bbef6d7432f5..0000000000000000000000000000000000000000
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diff --git a/banking-server/target/classes/ufrn/imd/service/impl/BalanceServiceImpl.class b/banking-server/target/classes/ufrn/imd/service/impl/BalanceServiceImpl.class
deleted file mode 100644
index 57779ee31278c81ffb0caab53459b83b0f814be4..0000000000000000000000000000000000000000
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diff --git a/banking-server/target/classes/ufrn/imd/service/impl/DepositServiceImpl.class b/banking-server/target/classes/ufrn/imd/service/impl/DepositServiceImpl.class
deleted file mode 100644
index 7663a247d03d86603195f6987564d6775fa06d0b..0000000000000000000000000000000000000000
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diff --git a/banking-server/target/classes/ufrn/imd/utils/NameSpace.class b/banking-server/target/classes/ufrn/imd/utils/NameSpace.class
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index bca364926d480d38728b84a028f4af2299447065..0000000000000000000000000000000000000000
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