zookeeper cluster with docker

zookeeper_cluster_in_docker.yml

version: '3.1'

services:
    zoo1:
        image: zookeeper
        restart: always
        hostname: zoo1
        volumes:
          - ./data/zh1/data:/data
          - ./data/zh1/datalog:/datalog
        ports:
            - 2181:2181
        environment:
            ZOO_MY_ID: 1
            ZOO_SERVERS: server.1=zoo1:2888:3888 server.2=zoo2:2888:3888 server.3=zoo3:2888:3888

    zoo2:
        image: zookeeper
        restart: always
        hostname: zoo2
        volumes:
          - ./data/zh2/data:/data
          - ./data/zh2/datalog:/datalog
        ports:
        ports:
            - 2182:2181
        environment:
            ZOO_MY_ID: 2
            ZOO_SERVERS: server.1=zoo1:2888:3888 server.2=zoo2:2888:3888 server.3=zoo3:2888:3888

    zoo3:
        image: zookeeper
        restart: always
        hostname: zoo3
        volumes:
          - ./data/zh3/data:/data
          - ./data/zh3/datalog:/datalog
        ports:
            - 2183:2181
        environment:
            ZOO_MY_ID: 3
            ZOO_SERVERS: server.1=zoo1:2888:3888 server.2=zoo2:2888:3888 server.3=zoo3:2888:3888