# 启动Jenkins容器
$ docker run -d -p 8080:8080 -p 50000:50000 --name jenkins -v jenkins_home:/var/jenkins_home jenkins/jenkins:lts

# 配置Jenkins
# 1. 访问 http://localhost:8080
# 2. 解锁Jenkins（查看容器日志获取初始密码）
# 3. 安装推荐插件
# 4. 创建管理员用户

# 安装Docker插件
# 1. 进入管理Jenkins > 插件管理 > 可用插件
# 2. 搜索并安装 Docker Pipeline 插件

# 创建Jenkins Pipeline项目
# 1. 点击新建项目
# 2. 输入项目名称，选择 Pipeline
# 3. 在 Pipeline 部分，选择 "Pipeline script from SCM"
# 4. 选择 Git，输入仓库URL
# 5. 保存项目

# 创建Jenkinsfile
$ cat > Jenkinsfile << 'EOF'
pipeline {
    agent any
    stages {
        stage('Build') {
            steps {
                sh 'docker build -t myapp:latest .'
                sh 'docker tag myapp:latest registry.example.com/myapp:latest'
                sh 'echo "$DOCKER_PASSWORD" | docker login -u "$DOCKER_USERNAME" --password-stdin'
                sh 'docker push registry.example.com/myapp:latest'
            }
        }
        stage('Test') {
            steps {
                sh 'docker run myapp:latest npm test'
            }
        }
        stage('Deploy') {
            steps {
                sh 'docker-compose up -d'
            }
        }
    }
}
EOF

# 在Jenkins中配置凭证
# 1. 进入管理Jenkins > 凭证 > 系统 > 全局凭证
# 2. 添加 Docker Registry 凭证

# 运行Pipeline
# 1. 进入项目 > 立即构建
# 2. 查看构建过程和结果

# 创建项目结构
$ mkdir -p myapp
$ cd myapp
$ echo 'FROM node:16-alpine
WORKDIR /app
COPY package*.json ./
RUN npm install
COPY . .
EXPOSE 3000
CMD ["npm", "start"]' > Dockerfile
$ echo '{"name": "myapp", "version": "1.0.0", "scripts": {"start": "node app.js", "test": "node test.js"}, "dependencies": {"express": "^4.17.1"}}' > package.json
$ echo 'const express = require("express");
const app = express();
const port = 3000;

app.get("/", (req, res) => {
  res.send("Hello World!");
});

app.listen(port, () => {
  console.log(`App listening at http://localhost:${port}`);
});' > app.js
$ echo 'const assert = require("assert");

assert.strictEqual(1 + 1, 2, "1 + 1 should equal 2");
console.log("All tests passed!");' > test.js
$ mkdir -p .github/workflows
$ echo 'name: CI/CD

on:
  push:
    branches: [ main ]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - name: Build and push Docker image
      run: |
        docker build -t myapp:latest .
        docker tag myapp:latest registry.example.com/myapp:latest
        echo "${{ secrets.DOCKER_PASSWORD }}" | docker login -u "${{ secrets.DOCKER_USERNAME }}" --password-stdin
        docker push registry.example.com/myapp:latest
    - name: Test
      run: |
        docker run myapp:latest npm test
    - name: Deploy
      run: |
        docker-compose up -d' > .github/workflows/main.yml
$ echo 'version: "3"
services:
  app:
    image: registry.example.com/myapp:latest
    ports:
      - "80:3000"
    restart: always' > docker-compose.yml

# 提交代码到GitHub
$ git init
$ git add .
$ git commit -m "Initial commit"
$ git remote add origin https://github.com/user/myapp.git
$ git push -u origin main

# 在GitHub中配置密钥
# 1. 进入项目设置 > Secrets and variables > Actions
# 2. 添加 DOCKER_USERNAME 和 DOCKER_PASSWORD 密钥

# 查看GitHub Actions
# 1. 进入项目 > Actions
# 2. 查看构建、测试和部署状态

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