Docker Hazelcast Cluster with support for auto-scaling The service discovery is provided through DCHQ's plug-in framework. 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 ne…

Docker Hazelcast Cluster

Hazelcast-Management-Center:
  image: hazelcast/management-center:latest
  # Use this configuration if deploying to a shared VM
  publish_all: true
  # (Recommended) Use this configuration if deploying to a dedicated VM
  #ports:
  #  - 8080:8080
  host: host1
  environment:
    - HAZELCAST_IP={{Hazelcast | container_private_ip}}
Hazelcast:
  image: hazelcast/hazelcast:latest
  # Use this configuration if deploying to a shared VM
  publish_all: true
  # (Recommended) Use this configuration if deploying to a dedicated VM
  #ports:
  #  - 5701:5701
  cluster_size: 1
  host: host1
  plugins:
    - !plugin
      id: Qgp4H
      lifecycle: post_create, post_scale_out:Hazelcast, post_scale_in:Hazelcast
      restart: true
      arguments:
        # Use this configuration if deploying to a shared VM
        - Hazelcast_IP=<member>{{Hazelcast | container_private_ip}}</member>
        # (Recommended) Use this configuration if deplying to a dedicated VM
        #- Hazelcast_IP=<member>{{Hazelcast | ip}}</member>
        - Management_Center_URL=http://{{Hazelcast-Management-Center | ip}}:{{Hazelcast-Management-Center | port_8080}}/mancenter
  environment:
    # Uncomment the line below to specify the heap size
    #- MIN_HEAP_SIZE="1g" 
    # Uncomment the line below to provide your own hazelcast.xml file
    - JAVA_OPTS=-Dhazelcast.config=/opt/hazelcast/hazelcast.xml
  volumes:
    # Uncomment the line below if you plan to use your own hazelcast.xml file
    #- ./configFolder:./configFolder