Update app.py

Changed the server address from 127.0.0.1 to 0.0.0.0

app.py

@@ -156,4 +156,4 @@ rag_application = gr.Interface(
     description = 'Upload a PDF document and ask any question. The chatbot will try to answer using the provided document.'
 )
 # Launch the app
-rag_application.launch(server_name= '127.0.0.1', server_port= 7860)
+rag_application.launch(server_name= '0.0.0.0', server_port= 7860)