Update app.py

app.py

@@ -127,4 +127,4 @@ if __name__ == '__main__':
     # Start the firehose processing in a separate thread
     threading.Thread(target=process_firehose, daemon=True).start()
     # Use run_simple instead of app.run
-    run_simple('localhost', 7860, app, use_reloader=True, use_debugger=True)
+    run_simple('0.0.0.0', 7860, app, use_reloader=True, use_debugger=True)