deploy-pr.yaml

# .github/workflows/deploy-pr.yml
name: 2 - Deploy Web Page PR

on:
  workflow_run:
    workflows: ["1 - Check and Build Web Page PR"]
    types: [completed]

# CRITICAL: Grant the workflow permission to write comments on PRs
permissions:
  pull-requests: write

jobs:
  deploy-preview:
    if: github.event.workflow_run.conclusion == 'success'
    runs-on: ubuntu-latest
    environment: Cloudflare Pages
    permissions:
      # actions: read # Only required for private GitHub Repo
      contents: read
      deployments: write
      pull-requests: write

    steps:
      - name: Download Site Artifact
        uses: actions/download-artifact@v4
        with:
          name: preview-site
          path: site/
          run-id: ${{ github.event.workflow_run.id }}
          github-token: ${{ secrets.GITHUB_TOKEN }}

      # NEW: Download the PR metadata artifact
      - name: Download PR Number Artifact
        uses: actions/download-artifact@v4
        with:
          name: pr-metadata
          run-id: ${{ github.event.workflow_run.id }}
          github-token: ${{ secrets.GITHUB_TOKEN }}

      - name: Set PR Number Context
        run: |
          PR_NUMBER=$(cat pr-number.txt)
          # This syntax makes it available to subsequent steps as ${{ env.PR_NUMBER }}
          echo "PR_NUMBER=$PR_NUMBER" >> $GITHUB_ENV

      - name: Deploy
        id: deploy
        uses: cloudflare/wrangler-action@v3
        with:
          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
          command: |
            pages deploy site/ --project-name=openshift-examples --branch pr-${{ env.PR_NUMBER }}
          # Optional: Enable this if you want to have GitHub Deployments triggered
          gitHubToken: ${{ secrets.GITHUB_TOKEN }}

      - name: Comment on PR
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          CMD_OUTPUT: ${{ steps.deploy.outputs.command-output }}
          DEPLOYMENT_URL: ${{ steps.deploy.outputs.deployment-url }}
        run: |
          gh pr comment ${{ env.PR_NUMBER }} \
            --repo ${{ github.repository }} \
            --body "🚀 **Preview Deployment Success!** View your live changes here: $DEPLOYMENT_URL\n\n$CMD_OUTPUT"