diff --git a/kanboard/docker-compose.yml b/kanboard/docker-compose.yml
index a3395c6..9066725 100644
--- a/kanboard/docker-compose.yml
+++ b/kanboard/docker-compose.yml
@@ -6,7 +6,7 @@ services:
     container_name: kanboard_app
     ports:
       - "8002:80"
-      - "8003:443"
+#      - "8003:443" #optional da über reverse-proxy
     volumes:
       - ./data:/var/www/app/data
       - ./plugins:/var/www/app/plugins