Update docker-image.yml

Adding labels for metadata extracted.
Adding platform arm64

.github/workflows/docker-image.yml

@@ -26,10 +26,20 @@ jobs:
         registry: ${{ env.REGISTRY}}
         username: ${{ github.actor }}
         password: ${{ github.token }}
+
+      # Extract metadata (tags, labels) for Docker
+      # https://github.com/docker/metadata-action
+    - name: Extract Docker metadata
+      id: meta
+      uses: docker/metadata-action@v5
+      with:
+        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
 
     - name: Build and push the Docker image
       uses: docker/build-push-action@v6
       with:
+        platforms: linux/amd64,linux/arm64
         push: true
         tags: ghcr.io/${{ env.IMAGE_NAME }}:${{ github.sha }},ghcr.io/${{ env.IMAGE_NAME }}:latest
         file: ./Dockerfile
+        labels: ${{ steps.meta.outputs.labels }}