chore(docker): build Docker images for arm64

.github/workflows/docker.yml

@@ -35,6 +35,11 @@ jobs:
             type=raw,value=latest
             type=semver,pattern={{version}}
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+        with:
+          platforms: arm64
+
       - name: Set up Docker Buildx
         id: buildx
         uses: docker/setup-buildx-action@v1
@@ -68,6 +73,7 @@ jobs:
         with:
           context: ./
           file: ./Dockerfile
+          platforms: linux/amd64,linux/arm64
           builder: ${{ steps.buildx.outputs.name }}
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}