update nginx-sso

nginx-sso/README.md

@@ -5,4 +5,15 @@ nginx-sso
 Nginx to provide a single-sign-on for a domain using one central authentication
 directory.
 
+```bash
+# start service
+$ docker-compose up -d
+
+# view log
+$ docker-compose logs --tail 10 -f
+
+# reload config
+$ docker-compose kill -s SIGHUP
+```
+
 [1]: https://github.com/Luzifer/nginx-sso/wiki