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version: "3.3"
services:
  db:
    image: mysql:8.0.22
    # 自动重启
    restart: always
    # 容器名称
    container_name: mysql-db
    # 主机名
    hostname: db-mysql
    # 启动参数
    # command: mysqld --character-set-server=utf8mb4 --collation-server=utf8mb4_unicode_ci
    environment:
      MYSQL_DATABASE: "db"
      # So you don't have to use root, but you can if you like
      MYSQL_USER: "user"
      # You can use whatever password you like
      MYSQL_PASSWORD: "password"
      # Password for root access
      MYSQL_ROOT_PASSWORD: "password"
    ports:
      # <Port exposed> : < MySQL Port running inside container>
      - "3306:3306"
    expose:
      # Opens port 3306 on the container
      - "3306"
    # Where our data will be persist
    volumes:
      # 宿主机目录：容器目录
      # 数据目录
      - /data/mysql/data/:/var/lib/mysql
      # 配置文件
      - /data/mysql/conf/my.cnf:/etc/my.cnf
      # 日志文件
      # - /data/mysql/log/:/var/log/mysql/