diff --git a/kustomize/app/cm.yaml b/kustomize/app/cm.yaml
new file mode 100644
index 0000000..d9327d3
--- /dev/null
+++ b/kustomize/app/cm.yaml
@@ -0,0 +1,9 @@
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: toy-cm
+  namespace: toy
+data:
+  CAT: pancake
+
diff --git a/kustomize/app/kustomization.yaml b/kustomize/app/kustomization.yaml
index 2ca103c..d140fc8 100644
--- a/kustomize/app/kustomization.yaml
+++ b/kustomize/app/kustomization.yaml
@@ -4,6 +4,7 @@ kind: Kustomization
 namespace: toy
 resources:
   - secret.yaml
+  - cm.yaml
   - rollout.yaml
   - services.yaml
   - ingress.yaml
diff --git a/kustomize/app/rollout.yaml b/kustomize/app/rollout.yaml
index 05daaf4..f7d1372 100644
--- a/kustomize/app/rollout.yaml
+++ b/kustomize/app/rollout.yaml
@@ -41,6 +41,9 @@ spec:
                   name: toy-session-secret
                   key: session_secret
                   optional: true
+          envFrom:
+            - configMapRef:
+                name: toy-cm
           livenessProbe:
             httpGet:
               path: /livez