GitHub Actions & CI/CD

# Workflow name — shown in GitHub UI
name: Hello World

# Trigger: run on every push to any branch
on: push

jobs:
  greet:
    # The virtual machine to run on
    runs-on: ubuntu-latest

    steps:
      # Step 1: check out your repository code
      - uses: actions/checkout@v4

      # Step 2: run a shell command
      - name: Say hello
        run: echo "Hello from GitHub Actions!"

      # Step 3: show the current directory
      - name: List files
        run: ls -la

name: CI

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

jobs:
  test:
    runs-on: ubuntu-latest

    steps:
      # 1. Check out repository code
      - uses: actions/checkout@v4

      # 2. Set up Node.js environment
      - uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'npm'  # cache node_modules for speed

      # 3. Install dependencies (clean install)
      - name: Install dependencies
        run: npm ci

      # 4. Run tests
      - name: Run tests
        run: npm test

      # Optional: run linting too
      - name: Lint
        run: npm run lint

name: Deploy to GitHub Pages

on:
  push:
    branches: [main]

# Allow GitHub Pages deployment
permissions:
  contents: read
  pages: write
  id-token: write

jobs:
  deploy:
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Setup Pages
        uses: actions/configure-pages@v4

      - name: Upload artifact
        uses: actions/upload-pages-artifact@v3
        with:
          path: '.'  # upload root (or './dist' for built projects)

      - name: Deploy
        id: deployment
        uses: actions/deploy-pages@v4

name: Deploy with Secrets

on:
  push:
    branches: [main]

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

      # Access a secret with ${{ secrets.SECRET_NAME }}
      - name: Deploy to Netlify
        env:
          NETLIFY_AUTH_TOKEN: ${{ secrets.NETLIFY_AUTH_TOKEN }}
          NETLIFY_SITE_ID: ${{ secrets.NETLIFY_SITE_ID }}
        run: npx netlify-cli deploy --prod --dir=dist

      # Environment variables (non-secret, shared config)
      - name: Build with env vars
        env:
          NODE_ENV: production
          API_URL: https://api.example.com
        run: npm run build

# Trigger on push to specific branches
on:
  push:
    branches: [main, develop]
    paths: ['src/**']  # only if src/ changed

# Trigger on pull requests
on:
  pull_request:
    branches: [main]
    types: [opened, synchronize, reopened]

# Scheduled trigger (cron syntax)
on:
  schedule:
    # Every Monday at 9:00 AM UTC
    - cron: '0 9 * * 1'

# Manual trigger (adds a "Run workflow" button in GitHub UI)
on:
  workflow_dispatch:
    inputs:
      environment:
        description: 'Target environment'
        required: true
        default: 'staging'

# Combine multiple triggers
on: [push, pull_request]