diff --git a/Dockerfile-devenv.txt b/Dockerfile-devenv.txt
index b63c2fb..a24ee9d 100644
--- a/Dockerfile-devenv.txt
+++ b/Dockerfile-devenv.txt
@@ -1,4 +1,5 @@
-# docker run -it --name devenv 
+# docker build --file Dockerfile-devenv.txt -t devenv .
+# docker run -it --name devenv -p 4200:4200 -d devenv zsh
 FROM ubuntu:latest
 WORKDIR /root