Update staging workflow for Docker image release

.github/workflows/staging.yml

@@ -1,30 +1,40 @@
-name: Build Docker image and push to staging
+name: Build Docker image and push to release
 
 on:
   push:
-    branches:
-      - "dev"
+    # Sequence of patterns matched against refs/tags
+    tags:
+      - "v*" # Push events to matching v*, i.e. v1.0, v20.15.10
 
 jobs:
   docker:
     runs-on: ubuntu-latest
     steps:
-      -
-        name: Set up QEMU
+      - name: Connect to Tailscale
+        uses: tailscale/github-action@v4
+        with:
+          oauth-client-id: ${{ secrets.TS_OAUTH_CLIENT_ID }}
+          oauth-secret: ${{ secrets.TS_OAUTH_SECRET }}
+          tags: tag:ci
+      - name: Install registry CA certificate
+        run: |
+            sudo mkdir -p /etc/docker/certs.d/${{ secrets.REGISTRY_URL }}
+            echo "${{ secrets.REGISTRY_CA_CERT }}" | base64 -d | sudo tee /etc/docker/certs.d/${{ secrets.REGISTRY_URL }}/ca.crt
+
+      - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
-      -
-        name: Set up Docker Buildx
+      - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
-      -
-        name: Login to Docker Registry
+        with:
+          driver: docker
+      - name: Login to Docker Registry
         uses: docker/login-action@v3
         with:
           registry: ${{ secrets.REGISTRY_URL }}
           username: ${{ secrets.REGISTRY_USERNAME }}
           password: ${{ secrets.REGISTRY_PASSWORD }}
-      -
-        name: Build and push
+      - name: Build and push
         uses: docker/build-push-action@v5
         with:
           push: true
-          tags: registry.beammp.com/beammp/website:staging
+          tags: ${{ secrets.REGISTRY_URL }}/beammp/website:${{ github.REF_NAME }}, ${{ secrets.REGISTRY_URL }}/beammp/website:dev