diff --git a/infra/configs/cert-manager/certificates-staging.yaml b/infra/configs/cert-manager/certificates-staging.yaml
new file mode 100644
index 0000000..5012495
--- /dev/null
+++ b/infra/configs/cert-manager/certificates-staging.yaml
@@ -0,0 +1,15 @@
+---
+apiVersion: cert-manager.io/v1
+kind: Certificate
+metadata:
+  name: wildcard-cert-yadunut.dev-staging
+  namespace: cert-manager-certs
+spec:
+  # Secret names are always required.
+  secretName: wildcard-cert-yadunut.dev-staging
+  issuerRef:
+    name: letsencrypt-staging
+    kind: ClusterIssuer
+  dnsNames:
+    - "yadunut.dev"
+    - "*.yadunut.dev"
diff --git a/infra/namespaces/namespaces.yaml b/infra/namespaces/namespaces.yaml
index 1aae17e..4c782d1 100644
--- a/infra/namespaces/namespaces.yaml
+++ b/infra/namespaces/namespaces.yaml
@@ -28,3 +28,8 @@ apiVersion: v1
 kind: Namespace
 metadata:
   name: cert-manager-system
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: cert-manager-certs