Pipeline

# GitHub Actions CI/CD Pipeline
name: Production Deploy Pipeline

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

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  # 1단계: 빌드 및 테스트 (병렬 실행)
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

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

      - name: Install dependencies
        run: npm ci

      - name: Build
        run: npm run build

      - name: Upload build artifact
        uses: actions/upload-artifact@v4
        with:
          name: build
          path: dist/

  test:
    runs-on: ubuntu-latest
    needs: build
    strategy:
      matrix:
        test-type: [unit, integration]
    steps:
      - uses: actions/checkout@v4

      - name: Run ${{ matrix.test-type }} tests
        run: npm run test:${{ matrix.test-type }}

  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - run: npm ci
      - run: npm run lint

  security-scan:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Run Trivy vulnerability scanner
        uses: aquasecurity/trivy-action@master
        with:
          scan-type: 'fs'
          severity: 'CRITICAL,HIGH'

  # 2단계: Docker 이미지 빌드
  docker-build:
    runs-on: ubuntu-latest
    needs: [test, lint, security-scan]
    outputs:
      image-tag: ${{ steps.meta.outputs.tags }}
    steps:
      - uses: actions/checkout@v4

      - name: Build and push Docker image
        uses: docker/build-push-action@v5
        with:
          push: true
          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.sha }}

  # 3단계: 스테이징 배포
  deploy-staging:
    runs-on: ubuntu-latest
    needs: docker-build
    environment: staging
    steps:
      - name: Deploy to staging
        run: |
          kubectl set image deployment/app \
            app=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.sha }} \
            --namespace=staging

  # 4단계: 프로덕션 배포 (수동 승인 필요)
  deploy-production:
    runs-on: ubuntu-latest
    needs: deploy-staging
    environment:
      name: production
      url: https://app.example.com
    steps:
      - name: Deploy to production
        run: |
          kubectl set image deployment/app \
            app=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.sha }} \
            --namespace=production