installer: refactor App interface
diff --git a/core/installer/values-tmpl/headscale.cue b/core/installer/values-tmpl/headscale.cue
index 21dbb75..fc2e441 100644
--- a/core/installer/values-tmpl/headscale.cue
+++ b/core/installer/values-tmpl/headscale.cue
@@ -2,6 +2,8 @@
 	subdomain: string
 }
 
+namespace: "app-headscale"
+
 images: {
 	headscale: {
 		repository: "headscale"