Update docker-publish.yml

.github/workflows/docker-publish.yml

@@ -46,15 +46,4 @@ jobs:
         pack-version: 0.27.0
     - name: Build Image with pack
       run: |
-        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
-    - name: Docker push
-      run: |
-        docker push ghcr.io/hvg/blog:$TAG
-        docker push ghcr.io/hvg/blog:$REF
+        pack --version