Git & CI/CD

# Feature branch workflow
git checkout main
git pull origin main
git checkout -b feature/add-login

# Work and commit
git add .
git commit -m "feat(auth): add login form and validation"
git push -u origin feature/add-login

# Open PR, merge, then cleanup
git checkout main
git pull origin main
git branch -d feature/add-login

# .github/workflows/ci.yml
name: CI

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

jobs:
  lint-and-test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Setup Node
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'npm'

      - name: Install dependencies
        run: npm ci

      - name: Lint
        run: npm run lint

      - name: Type check
        run: npm run build
        # or: npx tsc --noEmit

      - name: Test
        run: npm test
        # or: npm run test:ci

# .github/workflows/deploy-preview.yml
name: Deploy Preview

on:
  pull_request:
    branches: [main]

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Setup Node
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'npm'

      - name: Install and build
        run: |
          npm ci
          npm run build

      # Optional: deploy to Vercel/Netlify via their GitHub integration
      # or use official actions (e.g. amondnet/vercel-action) with tokens in secrets