Update Dockerfile

Dockerfile

@@ -23,5 +23,5 @@ RUN mkdir -p /app/temp && chmod 777 /app/temp
 # Make port 7860 available to the world outside this container
 EXPOSE 7860
 
-# Run the Flask app
-CMD ["python", "app.py"]
+# Start the app using Gunicorn
+CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:7860", "app:app"]