specific platforms

Author: sawanoboly

.github/workflows/docker-push-ghcr.yml

@@ -93,7 +93,7 @@ jobs:
         uses: docker/build-push-action@v4
         with:
           context: .
-          platforms: ${{ steps.buildx.outputs.platforms }}
+          platforms: linux/amd64,linux/arm64
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}