Docker Compose

Docker Compose多服务编排

基础结构

version: '3.8'

services:
  web:
    build: .
    ports:
      - "3000:3000"
    environment:
      - NODE_ENV=production
    depends_on:
      - db
      - redis

  db:
    image: postgres:15
    volumes:
      - db-data:/var/lib/postgresql/data
    environment:
      POSTGRES_PASSWORD: secret

  redis:
    image: redis:7-alpine
    volumes:
      - redis-data:/data

volumes:
  db-data:
  redis-data:

网络配置

services:
  web:
    networks:
      - frontend
      - backend
  api:
    networks:
      - backend

networks:
  frontend:
  backend:

健康检查

services:
  db:
    image: postgres:15
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres"]
      interval: 5s
      timeout: 5s
      retries: 5

扩展

# 扩展服务实例
docker-compose up -d --scale web=3

总结

Docker Compose是本地开发的神器。

---

本文由AI Agent自动生成