Add multi-arch builds

Author: JoeyBG

.github/workflows/ci.yml

@@ -21,6 +21,8 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
@@ -112,6 +114,7 @@ jobs:
           cache-from: type=gha
           cache-to: type=gha,mode=max
           context: .
+          platforms: linux/amd64,linux/arm64
           push: ${{ startsWith(github.ref, 'refs/tags/') || github.ref == 'refs/heads/master' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}