Improve blockpage reliability and deployment

.github/workflows/docker-build.yaml

@@ -1,33 +1,68 @@
-name: Build and Push Docker Image
+name: Publish Docker Image
 
 on:
   push:
-    branches: [ main ]
+    branches: [main]
+    tags: ["v*"]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  packages: write
 
 jobs:
-  build:
+  test:
+    name: Test
     runs-on: ubuntu-latest
-
     steps:
-      - name: Checkout repository
-        uses: actions/checkout@v3
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+          cache: true
+
+      - name: Test
+        run: go test ./...
+
+  publish:
+    name: Publish
+    runs-on: ubuntu-latest
+    needs: test
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
 
       - name: Set up QEMU
-        uses: docker/setup-qemu-action@v2
+        uses: docker/setup-qemu-action@v3
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
-      - name: Login to GitHub Container Registry
-        uses: docker/login-action@v2
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Build and push Docker image
-        uses: docker/build-push-action@v4
+      - name: Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tags: |
+            type=ref,event=branch
+            type=ref,event=tag
+            type=sha
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
         with:
           context: .
           push: true
-          tags: ghcr.io/${{ github.repository }}:latest
+          platforms: linux/amd64,linux/arm64
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}