diff --git a/apps/k8s01/dns/dns.yaml b/apps/k8s01/dns/dns.yaml
index 6d9c52dafc8c6aba477171cfe719d9c96aeecdb3..51f5c90a0519f1c85d1ad1991b6fea68b234eb7f 100644
--- a/apps/k8s01/dns/dns.yaml
+++ b/apps/k8s01/dns/dns.yaml
@@ -76,6 +76,13 @@ spec:
             - containerPort: 80
               protocol: TCP
               name: http
+          readinessProbe:
+            exec:
+              command:
+              - /app/blocky
+              - healthcheck
+            initialDelaySeconds: 5
+            periodSeconds: 5
           resources:
             requests:
               cpu: 100m