diff --git a/README.md b/README.md
index e69de29..d7fa2dd 100644
--- a/README.md
+++ b/README.md
@@ -0,0 +1,3 @@
+#Add this line in postinstall script:
+# During Create Instance, > Management, > Automation
+curl https://git.mailliet.ovh/ben/GCP-PostInstall/raw/branch/master/docker-install.sh | sh