portsettings für docker + cli noch angepasst. jetzt ist .env führend

app.py

@@ -229,4 +229,4 @@ app = create_app()
 if __name__ == '__main__':
     # This allows running the app directly with python app.py
     # In production, use gunicorn or other WSGI servers
-    app.run(host='0.0.0.0', port=5000, debug=app.config['DEBUG'])
+    app.run(host='0.0.0.0', port=int(os.environ.get('PORT', 5000)),  debug=app.config['DEBUG'])

docker-compose.yml

@@ -5,7 +5,7 @@ services:
       dockerfile: Dockerfile
     container_name: formeleon-app
     ports:
-      - "5000:5000"
+      - "${PORT:-5000}:5000"
     volumes:
       # Mount entire project directory for hot-reload in development
       # Exclude the virtual environment if it exists locally to prevent conflicts with container venv