Update app.py

app.py

@@ -35,5 +35,6 @@ def ask():
         print(f"Error: {e}")
         return jsonify({"error": "An error occurred while processing your request."}), 500
 
-if __name__ == "__main__":
-    app.run(host="0.0.0.0", port=7860)
+if __name__ == '__main__':
+    port = int(os.environ.get('PORT', 7860))
+    app.run(host='0.0.0.0', port=port)