diff --git a/app.py b/app.py
index 0e5cd01..e770230 100644
--- a/app.py
+++ b/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'])
diff --git a/docker-compose.yml b/docker-compose.yml
index 2785942..0754af1 100644
--- a/docker-compose.yml
+++ b/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