consul_cluster_compose.yaml

version: '3.3'

#customise this with options from
#https://www.consul.io/docs/agent/options.html

services:

  consul_seed:
    hostname: consul_seed
    image: consul:0.9.3
    deploy:
      replicas: 1
    environment:
      - "CONSUL_LOCAL_CONFIG={\"disable_update_check\": true}"
      - "CONSUL_BIND_INTERFACE=eth0"
    entrypoint:
      - consul
      - agent
      - -server
      - -bootstrap-expect=3
      - -data-dir=/tmp/consuldata
      - -bind={{ GetInterfaceIP "eth0" }}
    networks:
      - "consul"
    volumes:
      - consul_seed:/tmp/consuldata
  
  consul_cluster:
    image: consul:0.9.3
    depends_on:
      - consul_seed
    deploy:
      replicas: 2
      mode: replicated
    environment:
      - "CONSUL_LOCAL_CONFIG={\"disable_update_check\": true}"
      - "CONSUL_BIND_INTERFACE=eth0"
      - "CONSUL_HTTP_ADDR=0.0.0.0"
    entrypoint:
      - consul
      - agent
      - -server
      - -data-dir=/tmp/consuldata
      - -bind={{ GetInterfaceIP "eth0" }}
      - -retry-join=consul_seed:8301
      - -bootstrap-expect=3
    networks:
      - "consul"
      
  consul_clients:
    image: consul:0.9.3
    depends_on:
      - consul_seed
    deploy:
      mode: global
    environment:
      - "CONSUL_LOCAL_CONFIG={\"disable_update_check\": true}"
      - "CONSUL_BIND_INTERFACE=eth2"
      - "CONSUL_HTTP_ADDR=0.0.0.0"
    entrypoint:
      - consul
      - agent
      - -ui
      - -data-dir=/tmp/consuldata
      - -bind={{ GetInterfaceIP "eth2" }}
      - -client=0.0.0.0
      - -retry-join=consul_seed:8301
    networks:
      - "consul"
    ports:
      - 8500:8500
 
networks:
  consul:
    driver: overlay
    
volumes:
  consul_seed: