Enable cross platform images creation

Signed-off-by: Artem Barger <artem@bargr.net>

Author: C0rWin

.github/workflows/docker-image.yml

@@ -23,6 +23,9 @@ jobs:
     - name: Install Cosign
       uses: sigstore/cosign-installer@v3.6.0
 
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v2
+
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v2
 
@@ -52,6 +55,7 @@ jobs:
       with:
         context: .
         file: ./Dockerfile
+        platforms: linux/amd64,linux/arm64
         push: true
         tags: ${{ steps.docker_meta.outputs.tags }}