zookeeper docker 集群安装

1. 下载镜像
docker pull docker.io/zookeeper:3.4.14

2. 编辑docker-compose.yml

version: '2.3'
services:
  zoo1:
    image: zookeeper:3.4.14
    container_name: zoo1
    environment:
      ZOO_MY_ID: 1
      ZOO_SERVERS: server.1=zoo1:2887:3887 server.2=zoo2:2888:3888 server.3=zoo3:2889:3889
    restart: always
    ports:
      - 2181:2181
  zoo2:
    image: zookeeper:3.4.14
    container_name: zoo2
    environment:
      ZOO_MY_ID: 2
      ZOO_SERVERS: server.1=zoo1:2887:3887 server.2=zoo2:2888:3888 server.3=zoo3:2889:3889
    restart: always
    ports:
      - 2182:2182
  zoo3:
    image: zookeeper:3.4.14
    container_name: zoo3
    environment:
      ZOO_MY_ID: 3
      ZOO_SERVERS: server.1=zoo1:2887:3887 server.2=zoo2:2888:3888 server.3=zoo3:2889:3889
    restart: always
    ports:
      - 2183:2183

3. 启动
docker-compose up -d