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spring-boot-docker-example

This is the source code for the blog post :

https://exampledriven.wordpress.com/2016/06/24/spring-boot-docker-example/

Features :

  • Maven docker plugin
  • build images without dockerfile
  • Docker in a multi module project
  • docker-compose definition

How to run this example :

## build docker images
mvn clean install

##should display three freshly built docker images
docker images

##start up all instances
docker-compose up

##starts a 2nd instance of echo-service
docker-compose scale echo-service=2

Useful docker commands

##Starting multiple echo services
docker-compose scale echo-service=3

##Replace a running container with the latest version (during development)
mvn install
docker-compose stop echo-service
docker-compose up -d echo-service

Once all the services are up, the following URLs will be available:

Address Description
http://<<docker-host>>:8761 Eureka service
http://<<docker-host>>:9090/routes Zuul route definitions
http://<<docker-host>>:9090/api/echo-service/echo Echo service through Zuul api gateway, looked up from Eureka registry
http://<<docker-host>>:9090/api/echo-service/echo/remote-echo Echo service calling remote echo services
http://<<docker-host>>:9090/api/echo-service-by-dns/echo/remote-echo Echo service through Zuul api gateway, located by DNS entry http://echo-service:9098