fix: update Docker workflow to include QEMU and Buildx setup, and upgrade build-push action to v6

.github/workflows/BuildAndPushCotnainer.yml

@@ -21,6 +21,12 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Buildx
+        uses: docker/setup-buildx-action@v3
+
       - name: Log in to GitHub Container Registry
         uses: docker/login-action@v3
         with:
@@ -34,16 +40,16 @@ jobs:
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
           tags: |
+            type=raw,value=latest,enable={{is_default_branch}}
             type=sha,format=short
             type=ref,event=branch
 
-      - name: Build and push Docker image
-        uses: docker/build-push-action@v5
+      - name: Build and push Docker image (multi-arch)
+        uses: docker/build-push-action@v6
         with:
           context: ./frontend
           file: ./frontend/Dockerfile
           push: true
-          # Always push the normal tags; if this is a main push, 
-          # prepend "latest" to the list.
-          tags: ${{ github.ref == 'refs/heads/main' && format('{0},latest', steps.meta.outputs.tags) || steps.meta.outputs.tags }}
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}