version: "3"

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:
      - ./vol/redis_vol/data:/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
    env_file:
      - ./volunteer/django_pattern/.env # 使用了环境变量文件
    networks:
      - db_network
    volumes:
      - ./vol/db_vol:/var/lib/mysql:rw # 挂载数据库数据, 可读可写
      - ./compose/mysql/conf/my.cnf:/etc/mysql/my.cnf # 挂载配置文件
      - ./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: ./volunteer/django_pattern
    expose:
      - "8000"
    volumes:
      - ./volunteer/django_pattern:/var/www/html/volunteer # 挂载项目代码
      - ./vol/static_vol/volunteer:/var/www/html/volunteer/static # 以数据卷挂载容器内static文件
      - ./vol/media_vol/volunteer:/var/www/html/volunteer/media # 以数据卷挂载容器内用户上传媒体文件
      - ./compose/uwsgi/volunteer:/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/volunteer # 挂载ssl证书目录
      - ./compose/nginx/log:/var/log/nginx # 挂载日志
      - ./vol/static_vol/volunteer:/usr/share/nginx/html/static/volunteer # 挂载静态文件
      - ./vol/media_vol/volunteer:/usr/share/nginx/html/media/volunteer # 挂载用户上传媒体文件
    networks:
      - nginx_network
    depends_on:
      - web
    restart: always