adding a multi-arch image support

Author: maurya-anand

.github/workflows/publish.yml

@@ -10,7 +10,7 @@ env:
   IMAGE_NAME: ${{ github.repository }}
 
 jobs:
-  build-gen:
+  build:
     runs-on: ubuntu-latest
     permissions:
       contents: write
@@ -44,7 +44,7 @@ jobs:
           context: .
           file: ./container/Dockerfile
           push: true
-          platforms: linux/amd64
+          platforms: linux/amd64,linux/arm64
           provenance: false
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}