docker-compose.yml

version: "3"

volumes: # 自定义数据卷
  db_vol: #定义数据卷同步存放容器内mysql数据
  redis_vol: #定义数据卷同步存放redis数据
  media_vol: #定义数据卷同步存放web项目用户上传到media文件夹的数据
  static_vol: #定义数据卷同步存放web项目static文件夹的数据

networks: # 自定义网络(默认桥接), 不使用links通信
  nginx_network:
    driver: bridge
  db_network:
    driver: bridge
  redis_network: 
    driver: bridge
  
services:
  redis:
    image: redis:latest
    command: redis-server /etc/redis/redis.conf # 容器启动后启动redis服务器
    networks:
      - redis_network
    volumes:
      - redis_vol:/data # 通过挂载给redis数据备份
      - ./compose/redis/redis.conf:/etc/redis/redis.conf # 挂载redis配置文件
    ports:
      - "6379:6379"
    restart: always # always表容器运行发生错误时一直重启

  db:
    image: mysql:5.7
    env_file:  
      - ./web-server/.env # 使用了环境变量文件
    networks:  
      - db_network
    volumes:
      - ./compose/mysql/conf/my.cnf:/etc/mysql/my.cnf
      - db_vol:/var/lib/mysql:rw # 挂载数据库数据, 可读可写
      - ./compose/mysql/init:/docker-entrypoint-initdb.d/ # 挂载数据初始化sql脚本
    ports:
      - "3306:3306" # 与配置文件保持一致
    restart: always

  web:
    build: ./web-server
    expose:
      - "8000"
    volumes:
      - ./web-server:/var/www/html/web-server # 挂载项目代码
      - static_vol:/var/www/html/web-server/static # 以数据卷挂载容器内static文件
      - media_vol:/var/www/html/web-server/upload # 以数据卷挂载容器内用户上传媒体文件
      - ./compose/uwsgi:/tmp # 挂载uwsgi日志
    networks:
      - nginx_network
      - db_network  
      - redis_network 
    depends_on:
      - db
      - redis
    restart: always
    tty: true
    stdin_open: true

  nginx:
    build: ./compose/nginx
    ports:
      - "80:80"
      - "443:443"
    expose:
      - "80"
    volumes:
      - ./compose/nginx/nginx.conf:/etc/nginx/conf.d/nginx.conf # 挂载nginx配置文件
      # - ./compose/nginx/ssl:/usr/share/nginx/ssl # 挂载ssl证书目录
      - ./compose/nginx/log:/var/log/nginx # 挂载日志
      - static_vol:/usr/share/nginx/html/static # 挂载静态文件
      - media_vol:/usr/share/nginx/html/media # 挂载用户上传媒体文件
    networks:
      - nginx_network
    depends_on:
      - web
    restart: always