Zero-Downtime CI/CD Pipelines: Automated Testing, Container Scanning & Blue-Green Deployments

name: Production CI/CD Pipeline

on:
  push:
    branches: [main]

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: 'npm'
      - run: npm ci
      - run: npm run lint
      - run: npm test -- --coverage

  build-and-deploy:
    needs: test
    runs-on: ubuntu-latest
    environment: production
    steps:
      - uses: actions/checkout@v4
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Login to Container Registry
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.REGISTRY_USER }}
          password: ${{ secrets.REGISTRY_TOKEN }}
      - name: Build and push container
        uses: docker/build-push-action@v5
        with:
          push: true
          tags: registry.natelad.internal/app:${{ github.sha }}