fixes

main.py

@@ -2,6 +2,7 @@ import tempfile
 from functools import partial
 from typing import Annotated
 import typer
+import os
 
 from pymobiledevice3.remote.common import TunnelProtocol
 from pymobiledevice3.remote.module_imports import verify_tunnel_imports
@@ -10,7 +11,8 @@ from src.pymd3_vue_location_sim.server import TunneldRunnerSio, LocationSimulati
 from src.pymd3_vue_location_sim.json_formatter import logger
 
 def main():
-    cli_tunneld(host="0.0.0.0", port=49151)
+    port = int(os.getenv("PORT", 49151))
+    cli_tunneld(host="0.0.0.0", port=port)
 
 def cli_tunneld(
         host: Annotated[str, typer.Option(help="Address to bind the tunneld server to.")] = TUNNELD_DEFAULT_ADDRESS[0],