# 创建项目结构
$ mkdir -p myapp
$ cd myapp
$ echo 'FROM node:18-alpine
WORKDIR /app
COPY package*.json ./
RUN npm install
COPY . .
EXPOSE 3000
CMD ["node", "app.js"]' > Dockerfile
$ echo '{"name": "myapp", "version": "1.0.0", "description": "My Node.js app", "main": "app.js", "scripts": {"start": "node app.js", "test": "node test.js"}, "dependencies": {"express": "^4.18.2"}}' > package.json
$ echo 'const express = require("express"); const app = express(); app.get("/", (req, res) => { res.send("Hello from myapp!"); }); app.listen(3000, () => { console.log("App listening on port 3000!"); });' > app.js
$ echo 'const assert = require("assert"); assert.strictEqual(1 + 1, 2, "1 + 1 should equal 2"); console.log("All tests passed!");' > test.js

# 创建Jenkinsfile
$ cat > Jenkinsfile << 'EOF'
pipeline {
    agent any
    stages {
        stage('Build') {
            steps {
                script {
                    docker.build('myapp:latest')
                }
            }
        }
        stage('Test') {
            steps {
                script {
                    docker.image('myapp:latest').run { c ->
                        sh 'npm test'
                    }
                }
            }
        }
        stage('Deploy') {
            steps {
                script {
                    sh 'docker run --name myapp -d -p 80:3000 myapp:latest'
                }
            }
        }
    }
}
EOF

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

# 在Jenkins中创建项目
# 1. 登录Jenkins
# 2. 点击"新建项目"
# 3. 选择"Pipeline"
# 4. 输入项目名称
# 5. 在"Pipeline"部分，选择"Pipeline script from SCM"
# 6. 选择"Git"作为SCM
# 7. 输入仓库URL
# 8. 选择分支
# 9. 点击"保存"
# 10. 点击"立即构建"

# 创建项目结构
$ mkdir -p myapp/.github/workflows
$ cd myapp
$ echo 'FROM node:18-alpine
WORKDIR /app
COPY package*.json ./
RUN npm install
COPY . .
EXPOSE 3000
CMD ["node", "app.js"]' > Dockerfile
$ echo '{"name": "myapp", "version": "1.0.0", "description": "My Node.js app", "main": "app.js", "scripts": {"start": "node app.js", "test": "node test.js"}, "dependencies": {"express": "^4.18.2"}}' > package.json
$ echo 'const express = require("express"); const app = express(); app.get("/", (req, res) => { res.send("Hello from myapp!"); }); app.listen(3000, () => { console.log("App listening on port 3000!"); });' > app.js
$ echo 'const assert = require("assert"); assert.strictEqual(1 + 1, 2, "1 + 1 should equal 2"); console.log("All tests passed!");' > test.js

# 创建GitHub Actions配置文件
$ cat > .github/workflows/docker.yml << 'EOF'
name: Docker CI

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - name: Build the Docker image
      run: docker build . --file Dockerfile --tag myapp:latest
    - name: Test the Docker image
      run: docker run myapp:latest npm test
    - name: Push the Docker image
      run: |
        echo ${{ secrets.DOCKER_PASSWORD }} | docker login -u ${{ secrets.DOCKER_USER }} --password-stdin
        docker tag myapp:latest ${{ secrets.DOCKER_USER }}/myapp:latest
        docker push ${{ secrets.DOCKER_USER }}/myapp:latest
EOF

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

# 在GitHub中配置Docker Hub凭证
# 1. 登录GitHub
# 2. 进入项目页面
# 3. 点击"Settings"
# 4. 点击"Secrets and variables" -> "Actions"
# 5. 点击"New repository secret"
# 6. 输入"DOCKER_USER"作为名称，输入Docker Hub用户名作为值
# 7. 点击"Add secret"
# 8. 点击"New repository secret"
# 9. 输入"DOCKER_PASSWORD"作为名称，输入Docker Hub密码作为值
# 10. 点击"Add secret"

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