Merge pull request #14 from sparkfabrik/fix/fix_container_registry_login

Fix docker container registry login

.github/workflows/docker-publish.yml

@@ -78,6 +78,14 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      # We use commit sha here to be as safe as possible with credentials.
+      - name: Log in to the Container registry
+        uses: docker/login-action@343f7c4344506bcbf9b4de18042ae17996df046d
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3