ci-cd.yml

name: CI/CD Pipeline

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

permissions:
  contents: read
  security-events: write
  packages: write

env:
  NODE_VERSION: '18'
  DOCKER_REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  # Job 1: Code Quality & Testing
  test:
    name: Test & Quality Checks
    runs-on: ubuntu-latest
    
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      
    - name: Setup Node.js
      uses: actions/setup-node@v4
      with:
        node-version: ${{ env.NODE_VERSION }}
        cache: 'npm'
        
    - name: Install dependencies
      run: npm ci
      
    - name: Run linting
      run: npm run lint
      
    - name: Run tests
      run: npm test
      
    - name: Generate test coverage
      run: npm test -- --coverage --coverageReporters=lcov
      
    - name: Upload coverage to Codecov
      uses: codecov/codecov-action@v3
      with:
        file: ./coverage/lcov.info
        fail_ci_if_error: false

  # Job 2: Security Scanning
  security:
    name: Security Scan
    runs-on: ubuntu-latest
    
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      
    - name: Run Trivy vulnerability scanner
      uses: aquasecurity/trivy-action@master
      with:
        scan-type: 'fs'
        scan-ref: '.'
        format: 'sarif'
        output: 'trivy-results.sarif'
        
    - name: Upload Trivy scan results to GitHub Security tab
      uses: github/codeql-action/upload-sarif@v3
      if: always()
      with:
        sarif_file: 'trivy-results.sarif'

  # Job 3: Build & Push Docker Image
  build:
    name: Build Docker Image
    runs-on: ubuntu-latest
    needs: [test, security]
    if: github.ref == 'refs/heads/main'
    
    outputs:
      image-tag: ${{ steps.meta.outputs.tags }}
      image-digest: ${{ steps.build.outputs.digest }}
    
    steps:
    - name: Checkout code
      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:
        registry: ${{ env.DOCKER_REGISTRY }}
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}
        
    - name: Extract metadata
      id: meta
      uses: docker/metadata-action@v5
      with:
        images: ${{ env.DOCKER_REGISTRY }}/${{ env.IMAGE_NAME }}
        tags: |
          type=ref,event=branch
          type=ref,event=pr
          type=sha,prefix={{branch}}-
          type=raw,value=latest,enable={{is_default_branch}}
          
    - name: Build and push Docker image
      id: build
      uses: docker/build-push-action@v5
      with:
        context: .
        file: ./Dockerfile
        push: true
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}
        cache-from: type=gha
        cache-to: type=gha,mode=max
        platforms: linux/amd64,linux/arm64

  # Job 4: Deploy to AWS (will be added when we set up Terraform)
  deploy-staging:
    name: Deploy to Staging
    runs-on: ubuntu-latest
    needs: [build]
    if: github.ref == 'refs/heads/main' && vars.ENABLE_AWS_DEPLOY == 'true'
    environment: staging
    
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      
    - name: Configure AWS credentials
      uses: aws-actions/configure-aws-credentials@v4
      with:
        aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
        aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
        aws-region: us-east-1
        
    # This will be expanded when we add Terraform
    - name: Deploy to staging
      run: |
        echo "Deployment step - will be implemented with Terraform"
        echo "Image: ${{ needs.build.outputs.image-tag }}"
        # Future: 
        # - Run Terraform to provision/update infrastructure
        # - Use Ansible to configure and deploy application
        # - Run smoke tests against staging environment

  # Job 5: Production Deployment (manual approval required)
  deploy-production:
    name: Deploy to Production
    runs-on: ubuntu-latest
    needs: [build, deploy-staging]
    if: github.ref == 'refs/heads/main' && vars.ENABLE_AWS_DEPLOY == 'true'
    environment: production
    
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      
    - name: Configure AWS credentials
      uses: aws-actions/configure-aws-credentials@v4
      with:
        aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
        aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
        aws-region: us-east-1
        
    - name: Deploy to production
      run: |
        echo "Production deployment - will be implemented with Terraform"
        echo "Image: ${{ needs.build.outputs.image-tag }}"
        # Future:
        # - Run Terraform for production infrastructure
        # - Blue-green or rolling deployment strategy
        # - Post-deployment verification
        
    - name: Notify deployment
      if: success()
      run: |
        echo "Production deployment successful!"
        echo "Image: ${{ needs.build.outputs.image-tag }}"
        # Future: Send notification to Slack/Teams/Email

  # Job 6: Post-deployment tests
  e2e-tests:
    name: End-to-End Tests
    runs-on: ubuntu-latest
    needs: [deploy-staging]
    if: github.ref == 'refs/heads/main' && vars.ENABLE_AWS_DEPLOY == 'true'
    
    steps:
    - name: Checkout code
      uses: actions/checkout@v4
      
    - name: Run E2E tests against staging
      run: |
        echo "Running end-to-end tests..."
        # Future: Implement actual E2E tests using Playwright/Cypress
        # curl -f http://staging-url/health || exit 1
        echo "E2E tests passed"