Add support for ARM

Author: Kellegram

.github/workflows/docker-publish.yml

@@ -43,6 +43,9 @@ jobs:
         if: github.event_name != 'pull_request'
         uses: sigstore/cosign-installer@v3
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
       # Set up BuildKit Docker container builder to be able to build
       # multi-platform images and export cache
       # https://github.com/docker/setup-buildx-action
@@ -73,6 +76,7 @@ jobs:
         id: build-and-push
         uses: docker/build-push-action@v6
         with:
+          platforms: linux/amd64,linux/arm64
           context: .
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}