diff --git a/content/bn/examples/application/deployment-retainkeys.yaml b/content/bn/examples/application/deployment-retainkeys.yaml
new file mode 100644
index 0000000000..af63f46d37
--- /dev/null
+++ b/content/bn/examples/application/deployment-retainkeys.yaml
@@ -0,0 +1,19 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: retainkeys-demo
+spec:
+  selector:
+    matchLabels:
+      app: nginx
+  strategy:
+    rollingUpdate:
+      maxSurge: 30%
+  template:
+    metadata:
+      labels:
+        app: nginx
+    spec:
+      containers:
+      - name: retainkeys-demo-ctr
+        image: nginx