updated dockerhub publish

Author: timoschd

.github/workflows/README.md

@@ -32,6 +32,10 @@ The `docker-publish.yml` workflow automatically builds and publishes Docker imag
    This is a limitation of the Docker Hub API. If you prefer not to store your password in GitHub Secrets,
    you can manually update the README on Docker Hub's website instead.
 
+   **Troubleshooting**: If you encounter a "409 Conflict" error, this is usually harmless and means the README
+   is already up-to-date. The workflow will continue successfully even if this step fails (it won't block your
+   image from being published). You can also manually update the README on Docker Hub if needed.
+
 4. **Push to trigger build**:
    ```bash
    git push origin main

.github/workflows/docker-publish.yml

@@ -66,6 +66,7 @@ jobs:
 
       - name: Update Docker Hub description
         if: github.event_name != 'pull_request' && github.ref == 'refs/heads/main'
+        continue-on-error: true
         uses: peter-evans/dockerhub-description@v4
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}