diff --git a/.env b/.env
index 5372945d70..19215e23ee 100644
--- a/.env
+++ b/.env
@@ -17,7 +17,7 @@ _APP_OPTIONS_ROUTER_PROTECTION=disabled
 _APP_OPTIONS_FORCE_HTTPS=disabled
 _APP_OPTIONS_FUNCTIONS_FORCE_HTTPS=disabled
 _APP_OPENSSL_KEY_V1=your-secret-key
-_APP_DOMAIN=localhost
+_APP_DOMAIN=traefik
 _APP_DOMAIN_FUNCTIONS=functions.localhost
 _APP_DOMAIN_TARGET=localhost
 _APP_REDIS_HOST=redis