test image tagging

.github/workflows/docker-publish.yml

@@ -53,6 +53,7 @@ jobs:
           username: ${{ github.actor }} # username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
           image_name: storytold/storyteller-rust
+          image_tag: "test,foo,latest"
           push_git_tag: true
 
       # - name: Build image