chore(ci): add pull request previews

Signed-off-by: Simon Ser <contact@emersion.fr>

Author: emersion

.github/workflows/continuous-integration.yml

@@ -122,3 +122,27 @@ jobs:
         with:
           name: build-standalone-demo
           path: dist/netzgrafik-frontend/
+
+  deploy-preview:
+    runs-on: ubuntu-latest
+    needs: build-standalone
+    if: ${{ github.event_name == 'pull_request' && contains(fromJSON('["opened", "reopened", "synchronize", "closed"]'), github.event.action) }}
+    steps:
+      - uses: OpenRailAssociation/web-deployment-action@v1
+        with:
+          artifact_name: build-standalone
+          condition_production: false # GitHub Pages is used for production
+          domain_preview: ${{ vars.WEB_DOMAIN_PREVIEW }}
+          dir_base: ${{ vars.WEB_DIR_BASE }}
+          dir_preview_base: ${{ vars.WEB_DIR_PREVIEW_BASE }}
+          dir_preview_subdir: nge-pr-${{ github.event.number }}
+          ssh_host: ${{ vars.WEB_SSH_HOST }}
+          ssh_user: ${{ vars.WEB_SSH_USER }}
+          ssh_key: ${{ secrets.DEMO_WEBSITE_SSH_KEY }}
+          linkchecker_enabled: false
+          sticky_comment_enabled: false
+          step_summary_enabled: true
+          gh_deployment: demo
+        env:
+          HAVE_SSH_KEY: ${{ secrets.DEMO_WEBSITE_SSH_KEY != '' }}
+        if: ${{ env.HAVE_SSH_KEY == 'true' }}