debate-timer-fe/.github/workflows/deploy-preview.yml at develop · debate-timer/debate-timer-fe · GitHub

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name: Deploy-Preview

on:
  pull_request:
    types: [opened, synchronize, reopened]
    branches: ['develop']

concurrency:
  group: preview-${{ github.event.pull_request.number }}
  cancel-in-progress: true

jobs:
  deploy-preview:
    runs-on: ubuntu-latest
    environment: PREVIEW_ENV
    permissions:
      pull-requests: write
      contents: read

    steps:
      - name: Setup NodeJS
        uses: actions/setup-node@v4
        with:
          node-version: 20

      - name: Checkout Code
        uses: actions/checkout@v4

      - name: Setup .env
        run: |
          echo "${{ vars.ENV }}" > .env
          echo "${{ secrets.ENV }}" >> .env
          echo "VITE_BASE_PATH=/pr-${{ github.event.pull_request.number }}" >> .env

      - name: Install Dependencies
        run: npm ci

      - name: Build Preview
        run: npm run build

      - name: Configure AWS Credentials
        uses: aws-actions/configure-aws-credentials@v4
        with:
          aws-access-key-id: ${{ secrets.AWS_PREVIEW_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.AWS_PREVIEW_SECRET_ACCESS_KEY }}
          aws-region: ap-northeast-2

      - name: Deploy to S3 Preview Bucket
        run: |
          aws s3 sync ./dist s3://${{ secrets.AWS_PREVIEW_BUCKET_NAME }}/pr-${{ github.event.pull_request.number }}/ --delete

      - name: Deploy OAuth Redirect Handler
        run: |
          cat > /tmp/oauth-handler.html << 'OAUTH_EOF'
          <!DOCTYPE html>
          <html>
          <head><title>Redirecting...</title></head>
          <body>
          <script>
            var params = new URLSearchParams(window.location.search);
            var state = params.get('state');
            var validStateRegex = /^\/pr-\d+$/;
            if (state && validStateRegex.test(state)) {
              params.delete('state');
              window.location.replace(state + '/oauth?' + params.toString());
            } else {
              document.title = 'Error';
              document.body.textContent = '잘못된 접근입니다. (Invalid OAuth State)';
            }
          </script>
          </body>
          </html>
          OAUTH_EOF
          aws s3 cp /tmp/oauth-handler.html s3://${{ secrets.AWS_PREVIEW_BUCKET_NAME }}/oauth --content-type "text/html"

      - name: Invalidate CloudFront Cache
        run: |
          aws cloudfront create-invalidation \
            --distribution-id ${{ secrets.AWS_PREVIEW_CLOUDFRONT_ID }} \
            --paths "/pr-${{ github.event.pull_request.number }}/*" "/oauth"

      - name: Comment Preview URL on PR
        uses: actions/github-script@v7
        with:
          script: |
            const prNumber = context.payload.pull_request.number;
            const url = `https://preview.debate-timer.com/pr-${prNumber}/`;

            const body = `## 🚀 Preview 배포 완료!

            | 환경 | URL |
            |-----|-----|
            | Preview | [열기](${url}) |
            | API | Dev 환경 |

            > PR이 닫히면 자동으로 정리됩니다.`;

            const { data: comments } = await github.rest.issues.listComments({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: prNumber,
            });

            const existing = comments.find(c =>
              c.user.login === 'github-actions[bot]' &&
              c.body.includes('Preview 배포 완료')
            );

            if (existing) {
              await github.rest.issues.updateComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                comment_id: existing.id,
                body
              });
            } else {
              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: prNumber,
                body
              });
            }