Entry point instead of cmd

Dockerfile

@@ -24,6 +24,5 @@ ENV STUB_MODE=1
 # Create data directories
 RUN mkdir -p /data/artifacts /data/outputs /data/json_info /data/marker_output
 
-# One worker is fine (single-user demo)
-# Change this line to run your Flask app directly
-CMD exec gunicorn -w 1 -k gthread -t 300 -b 0.0.0.0:${PORT} backend.runner.app:app
+# Use ENTRYPOINT instead of CMD to prevent Hugging Face from overriding
+ENTRYPOINT ["gunicorn", "-w", "1", "-k", "gthread", "-t", "300", "-b", "0.0.0.0:7860", "backend.runner.app:app"]