Summary

This repo demonstrates a simple Spring Boot microservice cloud that utilzies:

• Webflux
• R2JDBC
• Eureka Service Discovery
• Spring Config Server
• Resilience4J Circuit Breaker

It is composed of 5 applications:

1. Parent - The edge service that provides the core API to clients. Has two endpoints fetch and ping. Calls ChildOne and ChildTwo using WebFlux and Resilience4J.
2. Child One - Represnets an internal service that's backed by an Postgres DB using R2JDBC
3. Child Two - Represents a second internal service with an hard coded response.
4. Eureka - The service discovery server
5. Config - the configuration server with configurations stored at https://github.com/mmtondreau/spring-boot-config

Build & Deploy

make clean all

Sample Request

Request

curl 'localhost:8080/fetch'

Response

{"childOne":[{"data":"a"},{"data":"b"},{"data":"c"},{"data":"d"},{"data":"e"},{"data":"f"},{"data":"g"},{"data":"h"},{"data":"Blarp-o-o-000"}],"childTwo":[{"data":21},{"data":23},{"data":67}]}