diff --git a/green.yaml b/green.yaml
index 063f535..f79530e 100644
--- a/green.yaml
+++ b/green.yaml
@@ -105,7 +105,9 @@ services:
         - homepage.description=Media Manager
         - kuma.jgf.http.name="Namer"
         - kuma.jgf.http.url=http://namer:6980
-
+      placement:
+        constraints:
+          - node.hostname == nas
 
 
 networks: