zookeeper-compose.yml

version: "3.4"
services:
  zk1:
    image: zookeeper:3.4.11
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "4"
    ports:
      - 2181:2181
    networks:
      - external_network
    deploy:
      placement:
        constraints: [node.role == worker]
      restart_policy:
        condition: on-failure
    environment:
      ZOO_MY_ID: 1
      ZOO_SERVERS: server.1=0.0.0.0:2888:3888 server.2=zk2:2888:3888 server.3=zk3:2888:3888

  zk2:
    image: zookeeper:3.4.11
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "4"
    ports:
      - 2182:2181
    networks:
      - external_network
    deploy:
      placement:
        constraints: [node.role == worker]
      restart_policy:
        condition: on-failure
    environment:
      ZOO_MY_ID: 2
      ZOO_SERVERS: server.1=zk1:2888:3888 server.2=0.0.0.0:2888:3888 server.3=zk3:2888:3888

  zk3:
    image: zookeeper:3.4.11
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "4"
    ports:
      - 2183:2181
    networks:
      - external_network
    deploy:
      placement:
        constraints: [node.role == worker]
      restart_policy:
        condition: on-failure
    environment:
      ZOO_MY_ID: 3
      ZOO_SERVERS: server.1=zk1:2888:3888 server.2=zk2:2888:3888 server.3=0.0.0.0:2888:3888

networks:
  external_network:
    external: true