diff --git a/template/.env b/template/.env
index a789588c2..9599f210a 100644
--- a/template/.env
+++ b/template/.env
@@ -20,13 +20,17 @@ APP_KEY_SET="dfsjdkjf77xjxcjcj"
 # Some container (e.g teleport) need HTTPS access, then need to set this pra
 APP_HTTP_PORT=80
 APP_HTTPS_PORT=81
+
 APP_USER=admin
 # use https://1password.com/zh-cn/password-generator/  to genarate 14 bit password
 APP_PASSWORD=$POWER_PASSWORD
 APP_ADMIN_PATH="/wp-login"
 
+# Container name's suffix must use one of the value
+APP_DB_EXPOSE="mysql,postgres,mariadb,mongodb,redis"
+
 # It is used when the application APP needs to set an external URL, which can be IP(or domain), IP:PORT, http(s)://IP:PORT
-APP_URL=appname.example.com:$APP_HTTP_PORT
+APP_URL=internet_ip:$APP_HTTP_PORT
 # modifies APP_URL on init when it is true
 APP_URL_REPLACE=true