services:
  nacos:
    image: registry.cn-chengdu.aliyuncs.com/reghao/nacos_nacos-server:v2.4.1
    restart: always
    container_name: nacos
    network_mode: "host"
#    ports:
#      - "8848:8848"                 # 控制台端口 http://localhost:8848/nacos
#      - "9848:9848"                 # gRPC 客户端连接端口（Nacos 2.x 必需）
#      - "9849:9849"                 # gRPC 服务端同步端口
    volumes:
      - /opt/docker/nacos/logs:/home/nacos/logs
      - /opt/docker/nacos/data:/home/nacos/data
    environment:
      - NACOS_HOME=/home/nacos
      - NACOS_LOG_PATH=/home/nacos/logs
      - NACOS_LOG_DIR=/home/nacos/logs
      - CUSTOM_JVM_OPTS=-Dnacos.logging.path=/home/nacos/logs
      - NACOS_AUTH_ENABLE=true      # 开启鉴权（建议开启，默认密码 nacos/nacos）
      - NACOS_AUTH_TOKEN=U2VjcmV0S2V5MDEyMzQ1Njc4OTAxMjM0NTY3ODkwMTIzNDU2Nzg5MDE=
      - NACOS_AUTH_IDENTITY_KEY=myNacosKey
      - NACOS_AUTH_IDENTITY_VALUE=myNacosValue
      - MODE=standalone             # 单机模式
      - JVM_XMS=1g
      - JVM_XMX=1g
      - SPRING_DATASOURCE_PLATFORM=mysql # https://github.com/alibaba/nacos/blob/2.4.1/distribution/conf/mysql-schema.sql
      - MYSQL_SERVICE_HOST=127.0.0.1
      - MYSQL_SERVICE_DB_NAME=nacos_config
      - MYSQL_SERVICE_PORT=3306
      - MYSQL_SERVICE_USER=test
      - MYSQL_SERVICE_PASSWORD=Test_123456
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8848/nacos/index.html"]
      interval: 15s
      timeout: 5s
      retries: 3
      start_period: 60s # Nacos 启动较慢，给足初始化时间
    # 1. 资源限制 (Deploy 节点)
    deploy:
      resources:
        limits:
          cpus: '1.0'          # 限制最大占用 1 个 CPU 核心
          memory: 2G           # 限制最大占用 2GB 内存
        reservations:
          memory: 1G           # 容器启动时预留 1GB 内存
    
    # 2. 日志限制 (Logging 节点)
    # 限制单个日志文件大小为 100MB，最多保留 3 个，防止占满磁盘
    logging:
      driver: "json-file"
      options:
        max-size: "100m"
        max-file: "3"