wip: ci: factor out deployment into separate steps for better org.

.forgejo/workflows/deploy.yaml

@@ -79,8 +79,54 @@ jobs:
         run: |
           rsync -v -r --delete -e "ssh -i deploykey.priv -o 'UserKnownHostsFile ./known_hosts'" public/ ccchh-website-deploy@public-web-static-intern.hamburg.ccc.de:/var/www/hamburg.ccc.de/
 
-      - uses: actions/upload-artifact@v3
+      - name: Upload the website build as an artifact
-        if: github.event_name == 'pull_request'
+        uses: actions/upload-artifact@v3
         with:
           name: website-build
           path: public/
+
+  deploy-staging:
+    if: github.event_name == 'pull_request'
+    needs:
+      - build
+    runs-on: docker
+    container:
+      image: code.forgejo.org/oci/node:22-bookworm
+    steps:
+      - name: Download the website build artifact
+        uses: actions/download-artifact@v3
+        with:
+          name: website-build
+          path: website-build
+
+      - name: Install packages
+        run: |
+          apt update
+          # For uploading.
+          apt install -y rsync
+
+      - name: debugging
+        run: |
+          ls -la
+          echo "website-build:"
+          ls -la website-build
+
+  deploy-prod:
+    if: (github.event_name == 'push' || github.event_name == 'schedule') && github.ref_name == 'main'
+    needs:
+      - build
+    runs-on: docker
+    container:
+      image: code.forgejo.org/oci/node:22-bookworm
+    steps:
+      - name: Download the website build artifact
+        uses: actions/download-artifact@v3
+        with:
+          name: website-build
+          path: website-build
+
+      - name: Install packages
+        run: |
+          apt update
+          # For uploading.
+          apt install -y rsync