diff --git a/Dockerfile b/Dockerfile
index e371463..5b97230 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,7 +13,7 @@ ARG DEFAULT_TEMPLATE_DIR="/usr/local/share/template-files/defaults"
 ARG USER="root"
 
 ARG SERVICE_PORT=""
-ARG EXPOSE_PORTS="1-65535"
+ARG EXPOSE_PORTS="3000-3999"
 ARG PHP_VERSION="php81"
 ARG NODE_VERSION="18"
 ARG NODE_MANAGER="fnm"