为什么你的测试环境搭建要3天？Docker一键部署只需3分钟_千锋教育

# 基础镜像
FROM ubuntu:20.04

# 安装依赖
RUN apt-get update && apt-get install -y \
    nginx \
    mysql-server \
    python3.9 \
    python3-pip

# 复制应用代码
COPY ./app /var/www/app
COPY ./nginx.conf /etc/nginx/nginx.conf

# 设置环境变量
ENV DB_HOST=localhost \
    DB_PORT=3306 \
    APP_ENV=testing

# 暴露端口
EXPOSE 80 3306

# 启动命令
CMD ["/bin/bash", "start.sh"]

version: '3.8'

services:
  # MySQL数据库
  db:
    image: mysql:8.0
    environment:
      MYSQL_ROOT_PASSWORD: test123
      MYSQL_DATABASE: testdb
    ports:
      - "3306:3306"
    volumes:
      - ./sql/init.sql:/docker-entrypoint-initdb.d/init.sql

  # Redis缓存
  redis:
    image: redis:6.2
    ports:
      - "6379:6379"

  # 后端API
  backend:
    build: ./backend
    ports:
      - "8080:8080"
    depends_on:
      - db
      - redis
    environment:
      DB_HOST: db
      DB_USER: root
      DB_PASSWORD: test123
      REDIS_HOST: redis

  # 前端应用
  frontend:
    build: ./frontend
    ports:
      - "3000:3000"
    depends_on:
      - backend

# 测试环境A
docker-compose -p test-a up -d

# 测试环境B
docker-compose -p test-b up -d

# 测试环境C
docker-compose -p test-c up -d

# 构建镜像
docker build -t myapp-test-env:v1.0 .

# 打标签
docker tag myapp-test-env:v1.0 registry.example.com/myapp-test-env:v1.0

# 推送到仓库
docker push registry.example.com/myapp-test-env:v1.0

# 拉取镜像（任何机器上）
docker pull registry.example.com/myapp-test-env:v1.0

# 启动容器
docker run -d -p 80:80 myapp-test-env:v1.0

# 使用官方Registry镜像
docker run -d \
  -p 5000:5000 \
  --restart=always \
  --name registry \
  -v /data/registry:/var/lib/registry \
  registry:2

# 配置HTTPS（生产环境必须）
# 生成SSL证书后
docker run -d \
  -p 443:5000 \
  --restart=always \
  --name registry \
  -v /data/registry:/var/lib/registry \
  -v /etc/ssl/certs:/certs \
  -e REGISTRY_HTTP_TLS_CERTIFICATE=/certs/domain.crt \
  -e REGISTRY_HTTP_TLS_KEY=/certs/domain.key \
  registry:2

services:
  backend:
    build: ./backend
    deploy:
      resources:
        limits:
          cpus: '0.5'
          memory: 512M
        reservations:
          cpus: '0.25'
          memory: 256M

services:
  db:
    image: mysql:8.0
    volumes:
      - test_data:/var/lib/mysql

volumes:
  test_data:
    driver: local

services:
  backend:
    build: ./backend
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8080/health"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 40s

# 限制日志大小
docker run -d \
  --log-opt max-size=10m \
  --log-opt max-file=3 \
  myapp-test-env:v1.0

# 或使用docker-compose配置
services:
  backend:
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"

# 查看容器资源使用
docker stats

# 查看特定容器日志
docker logs -f backend

# 进入容器内部调试
docker exec -it backend bash

# 查看容器详细信息
docker inspect backend