~ fix build

.github/workflows/docker-publish.yml

@@ -57,11 +57,11 @@ jobs:
         | tar -C "${PWD}/bin" -xz pack
     - name: Build Image with pack
       run: |
-        bin/pack build ghcr.io/hvg/blog:$TAG \
-        --builder heroku/buildpacks:20 \
-        --descriptor project.toml \
-        --workspace /app \
-        --env COMPOSER_AUTH=$COMPOSER_AUTH;
+        bin/pack build "ghcr.io/hvg/blog:$TAG" \         
+          --builder heroku/buildpacks:20 \
+          --descriptor project.toml \
+          --workspace /app \
+          --env COMPOSER_AUTH=$COMPOSER_AUTH;
     - name: Tag Docker image to ref
       run: |
         docker tag ghcr.io/hvg/blog:$TAG ghcr.io/hvg/blog:$REF