Use dedicated port 7870 for the app

src/feeling_machine/main.py

@@ -21,6 +21,9 @@ from feeling_machine.utils import (
     log_connection_troubleshooting,
 )
 
+# Server port for the Gradio interface
+APP_PORT = 7870
+
 
 def update_chatbot(chatbot: List[Dict[str, Any]], response: Dict[str, Any]) -> List[Dict[str, Any]]:
     """Update the chatbot with AdditionalOutputs."""
@@ -199,9 +202,11 @@ def run(
         if args.gradio:
             print("\n" + "=" * 50)
             print("  Feeling Machine is running!")
-            print("  Open: http://127.0.0.1:7861/")
+            print(f"  Open: http://127.0.0.1:{APP_PORT}/")
             print("=" * 50 + "\n")
-        stream_manager.launch()
+            stream_manager.launch(server_port=APP_PORT)
+        else:
+            stream_manager.launch()
     except KeyboardInterrupt:
         logger.info("Keyboard interruption in main thread... closing server.")
     finally:
@@ -227,7 +232,7 @@ def run(
 class FeelingMachine(ReachyMiniApp):  # type: ignore[misc]
     """Reachy Mini Apps entry point for the conversation app."""
 
-    custom_app_url = "http://0.0.0.0:7861/"
+    custom_app_url = f"http://0.0.0.0:{APP_PORT}/"
     dont_start_webserver = False
 
     def run(self, reachy_mini: ReachyMini, stop_event: threading.Event) -> None: