diff --git a/infrastructure/cert-manager/certificate.yaml b/infrastructure/cert-manager/certificate.yaml
new file mode 100644
index 0000000..7eef661
--- /dev/null
+++ b/infrastructure/cert-manager/certificate.yaml
@@ -0,0 +1,14 @@
+apiVersion: cert-manager.io/v1
+kind: Certificate
+metadata:
+  name: clank
+  namespace: cert-manager
+spec:
+  commonName: kjuulh.app
+  secretName: clank-cert
+  dnsNames:
+    - kjuulh.app
+    - "*.kjuulh.app"
+  issuerRef:
+    name: letsencrypt-issuer
+    kind: ClusterIssuer
diff --git a/infrastructure/cert-manager/kustomization.yaml b/infrastructure/cert-manager/kustomization.yaml
index 883e28d..187d84f 100644
--- a/infrastructure/cert-manager/kustomization.yaml
+++ b/infrastructure/cert-manager/kustomization.yaml
@@ -6,3 +6,4 @@ resources:
   - release.yaml
   - cloudflare-secret.sealed.yaml
   - cluster-issuer.yaml
+  - certificate.yaml