fix

Dockerfile

@@ -23,4 +23,4 @@ COPY . .
 ENV PYTHONUNBUFFERED 1
 
 # Command to run the app
-CMD python -m chainlit run qa.py -h --host 0.0.0.0 --port ${PORT}
+CMD python -m chainlit run qa.py -h --host 0.0.0.0 --port 7860