Docker Service Discovery for a multi-tier Java application with Nginx load balancer. The service discovery framework in DCHQ provides event-driven life-cycle stages that executes custom scripts to re-configure application components. This is critical when scaling out clusters for which a load balancer may need to be re-configured or a replica se…

docker-nginx-dchq-service-discovery

Nginx:
  image: nginx:latest
  publish_all: true
  mem_min: 50m
  host: host1
  plugins:
    - !plugin
      id: 0H1Nk
      restart: true
      lifecycle: on_create, post_scale_out:AppServer, post_scale_in:AppServer, post_stop:AppServer, post_start:AppServer
      arguments:
        # Use container_private_ip if you're using Docker networking
        - servers=server {{AppServer | container_private_ip}}:8080;
        # Use container_hostname if you're using Weave networking
        #- servers=server {{AppServer | container_hostname}}:8080;