add arm platform (#2)

Author: rayderua

.github/workflows/build-docker-image.yml

@@ -40,6 +40,7 @@ jobs:
         with:
           context: .
           file: docker/Dockerfile
+          platforms: linux/amd64,linux/arm64
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}