as

gateway-service.yml

@@ -16,4 +16,4 @@ eureka:
     registerWithEureka: true
     fetchRegistry: true
     serviceUrl:
-      defaultZone: http://service-registration-and-discovery-service/eureka/
+      defaultZone: http://service-registration-and-discovery-service:8761/eureka/

main-service.yml

@@ -33,4 +33,4 @@ resilience4j.retry:
 eureka:
   client:
     service-url:
-      defaultZone: http://eureka-service:8761/eureka/
\ No newline at end of file
+      defaultZone: http://service-registration-and-discovery-service:8761/eureka/
\ No newline at end of file