upload-to-staging.yml

name: Upload to staging

on:
  issue_comment:
    types: [created]

jobs:
  build:
    runs-on: ubuntu-latest
    if: github.event.issue.pull_request != null && github.event.comment.body == '/preview'
    steps:
      - uses: actions/checkout@v2

      - name: Checkout Git Branch
        run: |
          git fetch origin +refs/pull/${{ github.event.issue.number }}/merge
          git checkout FETCH_HEAD

      - name: Setup GCloud
        uses: google-github-actions/setup-gcloud@master
        with:
          project_id: ${{ secrets.GCP_PROJECT_ID }}
          service_account_email: ${{ secrets.GCP_SA_EMAIL }}
          service_account_key: ${{ secrets.GCP_SA_KEY }}
          export_default_credentials: true

      - name: Install Dependencies
        run: npm ci

      - name: Run Gatsby Build
        run: npm run build-ci
        env:
          PATH_PREFIX: ${{ github.event.issue.number }}/

      - name: Run Storybook Build
        run: npm run build-storybook
        env:
          PATH_PREFIX: ${{ github.event.issue.number }}/

      - name: Upload to GCS
        run: gsutil -m rsync -R public gs://staging.nodejs.dev/${{ github.event.issue.number }}/

      - name: Comment on PR
        uses: actions/github-script@v3
        with:
          github-token: ${{secrets.GITHUB_TOKEN}}
          script: |
            github.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: 'Please find a preview at: https://staging.nodejs.dev/${{ github.event.issue.number }}/'
            });