diff --git a/.envrc.sample b/.envrc.sample
index 793ac84..3887008 100644
--- a/.envrc.sample
+++ b/.envrc.sample
@@ -1,5 +1,9 @@
-export DOMAIN=nextcloud.example.com
 export STACK_NAME=nextcloud
+export SERVICE=nextcloud
+
+export DOMAIN=nextcloud.example.com
+## Domain aliases
+#export EXTRA_DOMAINS=', `www.nextcloud.example.com`'
 export LETS_ENCRYPT_ENV=production
 
 export DB_ROOT_PASSWORD_VERSION=v1