diff --git a/README.md b/README.md
index afaa624..9fa6d6c 100644
--- a/README.md
+++ b/README.md
@@ -108,3 +108,7 @@ Restart
 
     dokku ps:restart objstorage-s3
 
+## References
+
+* https://garagehq.deuxfleurs.fr/documentation/cookbook/real-world/
+