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Microservice Example using Spring Boot and Spring Cloud.

Variations

Master Branch: - Latest Spring Boot(3), Keycloak, Zipkin, Admin Server, etc

Withtout security:

With keycloak auth

It contains the following applications:

  • Spring Cloud Registration Service Discovery with Netflix Eureka (module: registration-discovery)
  • Spring Cloud Config server (module: config-server)
  • Admin Dashboard (module: admin-server-dashboard)
  • Two Microservices:
    • Greeting Service (module: greeting-service)
    • Time Service (module: time-service)
  • Gateway Application (module: gateway-app)
  • Supports distributed Tracing with Zipkin (need to run the zipkin server app )
  • Config for local development are stored on configs/local/**

How to Run

Step 0) Change config URL (IF NECESSARY)

Step 1) Start Keycloak and Zipkin using docker-compose. Navigate to /config and run docker-compose up

Step 2) Import the project into your IDE as maven project. Each of the following are Spring Boot Applications. Run the main classes from each module in following order:

  • config-server
  • registration-discovery
  • greeting-service, time-service >> Any number of these services can be started. They will run on random port
  • gateway-app
  • admin-server-dashboard

Step 3) Open http://localhost:8080/ in your browser.

Monitor the deployed service instances using Spring Eureka Web UI: http://localhost:8761/

View distributed tracing using zipkin: http://localhost:9411

For Admin Dashboard Open `http://localhost:8788'