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What does this PR do?

Implemented the Microservices Self-Registration pattern using Spring Boot (3.4.4) and Eureka. This PR includes the Eureka Server setup and two microservices (Greeting and Context) that register with Eureka and communicate using OpenFeign. Key Spring Cloud dependencies include Eureka Discovery Client, Eureka Server, and OpenFeign.

Apr 07 '25 07:04 naman-sriv

PR Summary

This PR implements a microservices self-registration pattern using Spring Boot, Eureka, and OpenFeign. It includes a Eureka server and two microservices (Greeting and Context) that register with Eureka and communicate with each other. The project also includes unit tests and health checks.

Changes

File	Summary
`microservices-self-registration/README.md`	This file provides a comprehensive guide to the microservices self-registration pattern implemented in the project, including its intent, structure, usage instructions, advantages, and trade-offs. It also includes references to relevant documentation.
`microservices-self-registration/application.log.2025-04-09.0.gz`	New file.
`microservices-self-registration/contextservice/.gitattributes`	New file.
`microservices-self-registration/contextservice/.gitignore`	New file.
`microservices-self-registration/contextservice/application.log.2025-04-05.0.gz`	New file.
`microservices-self-registration/contextservice/application.log.2025-04-07.0.gz`	New file.
`microservices-self-registration/contextservice/application.log.2025-04-09.0.gz`	New file.
`microservices-self-registration/contextservice/pom.xml`	This file defines the project dependencies for the `contextservice` microservice, including Spring Boot, Spring Cloud, Eureka, OpenFeign, and testing libraries.
`microservices-self-registration/contextservice/src/main/java/com/learning/contextservice/ContextserviceApplication.java`	This is the main application class for the `contextservice` microservice. It uses annotations to enable service discovery and OpenFeign client functionality.
`microservices-self-registration/contextservice/src/main/java/com/learning/contextservice/MyCustomHealthCheck.java`	This class implements a custom health check for the `contextservice` that runs every 5 seconds and logs the health status.
`microservices-self-registration/contextservice/src/main/java/com/learning/contextservice/client/GreetingServiceClient.java`	This interface defines a Feign client for communication with the `greetingservice` using OpenFeign.
`microservices-self-registration/contextservice/src/main/java/com/learning/contextservice/controller/ContextController.java`	This controller handles requests to the `/context` endpoint, which retrieves a greeting from the `greetingservice` and adds contextual information.
`microservices-self-registration/contextservice/src/main/resources/application.yml`	This file contains the configuration for the `contextservice` microservice, including server port, Eureka server URL, and user region.
`microservices-self-registration/contextservice/src/test/java/com/learning/contextservice/ContextControllerTest.java`	This class contains unit tests for the `ContextController`, verifying its functionality and integration with the `GreetingServiceClient`.
`microservices-self-registration/contextservice/src/test/java/com/learning/contextservice/ContextserviceApplicationTests.java`	This class contains a basic integration test to verify that the Spring context loads correctly for the `contextservice`.
`microservices-self-registration/contextservice/src/test/java/com/learning/contextservice/TestConfig.java`	This class provides a configuration for unit testing, including a mock implementation of the `GreetingServiceClient`.
`microservices-self-registration/contextservice/src/test/java/com/learning/contextservice/myCustomHealthCheckTest.java`	This class contains unit tests for the custom health check, verifying its functionality in both healthy and unhealthy states.
`microservices-self-registration/eurekaserver/.gitattributes`	New file.
`microservices-self-registration/eurekaserver/.gitignore`	New file.
`microservices-self-registration/eurekaserver/pom.xml`	This file defines the project dependencies for the Eureka server, including Spring Boot and Spring Cloud.
`microservices-self-registration/eurekaserver/src/main/java/com/learning/eurekaserver/EurekaserverApplication.java`	This is the main application class for the Eureka server. It uses annotations to enable Eureka server functionality.
`microservices-self-registration/eurekaserver/src/main/resources/application.yml`	This file contains the configuration for the Eureka server, including server port and self-preservation settings.
`microservices-self-registration/eurekaserver/src/test/java/com/learning/eurekaserver/EurekaserverApplicationTests.java`	This class contains a basic integration test to verify that the Spring context loads correctly for the Eureka server.
`microservices-self-registration/greetingservice/.gitattributes`	New file.
`microservices-self-registration/greetingservice/.gitignore`	New file.
`microservices-self-registration/greetingservice/application.log.2025-04-05.0.gz`	New file.
`microservices-self-registration/greetingservice/application.log.2025-04-07.0.gz`	New file.
`microservices-self-registration/greetingservice/application.log.2025-04-09.0.gz`	New file.
`microservices-self-registration/greetingservice/application.log.2025-04-11.0.gz`	New file.
`microservices-self-registration/greetingservice/pom.xml`	This file defines the project dependencies for the `greetingservice` microservice, including Spring Boot, Spring Cloud, and Eureka.