docker 及 docker-compose 常用配置

[wuyuedefeng]

连接宿主机服务

连接宿主机mysql的地址: host.docker.internal

容器启动后一直处于运行状态, 方便进入容器调试

entrypoint: ["sleep", "infinity"]

---

eg:

version: '3.8'  # 补充版本号（语法必需）

services:
  backend:
    build:
      context: ./apps/backend
      dockerfile: Dockerfile
      args:
        - TZ=Asia/Shanghai
    container_name: backend
    extra_hosts:
      - "github.com:140.82.113.3"  # 格式："域名:IP"
    environment:
      - RAILS_ENV=production
      - REDIS_URL=redis://cache:6379/0
      - DB_HOST=host.docker.internal
      - DB_PORT=3306
    volumes:
      - ./apps/backend:/rails
    depends_on:
      - cache
    restart: always
    # entrypoint: ["sleep", "infinity"]
    # tty: true  # 保持终端连接（可选，增强交互性）
    # ports:
    #   - "9999:3000"
    networks:
      - my_network
      
  cache:
    image: redis:alpine
    container_name: cache
    restart: always
    # 禁用 RDB 持久化，避免磁盘写入操作
    command: redis-server --save "" --stop-writes-on-bgsave-error no --appendonly yes
    volumes:
      - ./redis-data:/data  # 挂载数据卷，持久化 Redis 数据
    networks:
      - my_network