Enhance Docker action with QEMU and platform support

Author: gliptak

.github/actions/build-publish-image/action.yml

@@ -16,6 +16,14 @@ runs:
         username: ${{ github.repository_owner }}
         password: ${{ env.GH_TOKEN }}
 
+    -
+      # Add support for more platforms with QEMU (optional)
+      # https://github.com/docker/setup-qemu-action
+      name: Set up QEMU
+      uses: docker/setup-qemu-action@v4
+    -
+      name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v4
     - name: Print release version input
       shell: bash
       run: echo "Input release version =${{ inputs.version }}"
@@ -34,6 +42,7 @@ runs:
       with:
         context: .
         file: ./Dockerfile
+        platforms: linux/amd64,linux/arm64
         push: true
         tags: ${{ steps.meta.outputs.tags }}
-        labels: ${{ steps.meta.outputs.labels }}
+        labels: ${{ steps.meta.outputs.labels }}