diff --git a/manifests/networkpolicy.yaml b/manifests/networkpolicy.yaml
new file mode 100644
index 0000000..2f88fa0
--- /dev/null
+++ b/manifests/networkpolicy.yaml
@@ -0,0 +1,22 @@
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: default-deny-ingress
+  namespace: amanwalekar-3099
+spec:
+  podSelector: {}
+  policyTypes:
+    - Ingress
+  ingress:
+    - from:
+        - namespaceSelector:
+            matchLabels:
+              name: amanwalekar-3099
+    - from:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: traefik
+    - from:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: argo-workflows