services:
  zoo1:
    image: registry.cn-chengdu.aliyuncs.com/reghao/zookeeper:3.8.4 # 生产环境建议锁定具体版本
    restart: always
    hostname: zoo1
    container_name: zoo1
    ports:
      - "2181:2181"
    volumes:
      - ./data/zoo1/data:/data
      - ./data/zoo1/datalog:/datalog
    environment:
      ZOO_MY_ID: 1
      ZOO_SERVERS: server.1=zoo1:2888:3888;2181 server.2=zoo2:2888:3888;2181 server.3=zoo3:2888:3888;2181
      # 限制 JVM 内存，通常设为容器限制的 70-80%
      JVMFLAGS: "-Xms512m -Xmx512m"
    deploy:
      resources:
        limits:
          cpus: '1.0'
          memory: 1G
        reservations:
          cpus: '0.5'
          memory: 512M
    healthcheck:
      test: ["CMD-SHELL", "echo ruok | nc localhost 2181 | grep imok"]
      interval: 10s
      timeout: 5s
      retries: 3

  zoo2:
    image: registry.cn-chengdu.aliyuncs.com/reghao/zookeeper:3.8.4
    restart: always
    hostname: zoo2
    container_name: zoo2
    ports:
      - "2182:2181"
    volumes:
      - ./data/zoo2/data:/data
      - ./data/zoo2/datalog:/datalog
    environment:
      ZOO_MY_ID: 2
      ZOO_SERVERS: server.1=zoo1:2888:3888;2181 server.2=zoo2:2888:3888;2181 server.3=zoo3:2888:3888;2181
      JVMFLAGS: "-Xms512m -Xmx512m"
    deploy:
      resources:
        limits:
          cpus: '1.0'
          memory: 1G
    healthcheck:
      test: ["CMD-SHELL", "echo ruok | nc localhost 2181 | grep imok"]
      interval: 10s
      timeout: 5s
      retries: 3

  zoo3:
    image: registry.cn-chengdu.aliyuncs.com/reghao/zookeeper:3.8.4
    restart: always
    hostname: zoo3
    container_name: zoo3
    ports:
      - "2183:2181"
    volumes:
      - ./data/zoo3/data:/data
      - ./data/zoo3/datalog:/datalog
    environment:
      ZOO_MY_ID: 3
      ZOO_SERVERS: server.1=zoo1:2888:3888;2181 server.2=zoo2:2888:3888;2181 server.3=zoo3:2888:3888;2181
      JVMFLAGS: "-Xms512m -Xmx512m"
    deploy:
      resources:
        limits:
          cpus: '1.0'
          memory: 1G
    healthcheck:
      test: ["CMD-SHELL", "echo ruok | nc localhost 2181 | grep imok"]
      interval: 10s
      timeout: 5s
      retries: 3