diff --git a/apps/templates/namespaces.yaml b/apps/templates/namespaces.yaml
new file mode 100644
index 0000000..28913ce
--- /dev/null
+++ b/apps/templates/namespaces.yaml
@@ -0,0 +1,20 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: helm-guestbook
+  annotations:
+    argocd.argoproj.io/sync-wave: "-1"
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: kustomize-guestbook
+  annotations:
+    argocd.argoproj.io/sync-wave: "-1"
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: sync-waves
+  annotations:
+    argocd.argoproj.io/sync-wave: "-1"