مشروع 2: CI/CD لتطبيق REST API (Node.js)

my-api/
├── src/
│   └── index.js
├── tests/
│   └── api.test.js
├── Dockerfile
├── .github/workflows/ci-cd.yml
└── package.json

name: Node.js API CI/CD

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  test:
    runs-on: ubuntu-latest
    services:
      postgres:
        image: postgres:16
        env:
          POSTGRES_PASSWORD: test
        ports:
          - 5432:5432
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: 20
      - run: npm ci
      - run: npm test
        env:
          DATABASE_URL: postgres://postgres:test@localhost:5432/postgres

  docker-build:
    needs: test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Build Docker Image
        run: docker build -t my-api:${{ github.sha }} .

      - name: Push to Registry
        run: |
          echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
          docker tag my-api:${{ github.sha }} ghcr.io/${{ github.repository }}:${{ github.sha }}
          docker push ghcr.io/${{ github.repository }}:${{ github.sha }}

FROM node:20-alpine AS builder
WORKDIR /app
COPY package*.json ./
RUN npm ci --only=production

FROM node:20-alpine
WORKDIR /app
COPY --from=builder /app/node_modules ./node_modules
COPY . .
EXPOSE 3000
CMD ["node", "src/index.js"]

// tests/api.test.js
const request = require('supertest');
const app = require('../src/app');

test('GET /api/health returns 200', async () => {
  const res = await request(app).get('/api/health');
  expect(res.statusCode).toBe(200);
  expect(res.body).toHaveProperty('status', 'ok');
});