add arm64 docker container

.github/workflows/docker-build.yaml

@@ -17,6 +17,12 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
       - name: Login to GitHub Container Registry
         uses: docker/login-action@v2
         with:
@@ -34,6 +40,7 @@ jobs:
         uses: docker/build-push-action@v4
         with:
           context: .
+          platforms: linux/amd64,linux/arm64
           push: ${{ GitHub.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}