diff --git a/cert-manager/overlays/test/cert-manager-issuer-prod.yml b/cert-manager/overlays/test/cert-manager-issuer-prod.yml
new file mode 100644
index 0000000..df23df0
--- /dev/null
+++ b/cert-manager/overlays/test/cert-manager-issuer-prod.yml
@@ -0,0 +1,18 @@
+apiVersion: cert-manager.io/v1
+kind: Issuer
+metadata:
+  name: letsencrypt-prod
+spec:
+  acme:
+    # The ACME server URL
+    server: https://acme-v02.api.letsencrypt.org/directory
+    # Email address used for ACME registration
+    email: kano@sunet.se
+    # Name of a secret used to store the ACME account private key
+    privateKeySecretRef:
+      name: letsencrypt-prod
+    # Enable the HTTP-01 challenge provider
+    solvers:
+      - http01:
+          ingress:
+            ingressClassName: nginx
diff --git a/cert-manager/overlays/test/cert-manager-issuer-staging.yml b/cert-manager/overlays/test/cert-manager-issuer-staging.yml
new file mode 100644
index 0000000..4b40b18
--- /dev/null
+++ b/cert-manager/overlays/test/cert-manager-issuer-staging.yml
@@ -0,0 +1,18 @@
+apiVersion: cert-manager.io/v1
+kind: Issuer
+metadata:
+  name: letsencrypt-staging
+spec:
+  acme:
+    # The ACME server URL
+    server: https://acme-staging-v02.api.letsencrypt.org/directory
+    # Email address used for ACME registration
+    email: kano@sunet.se
+    # Name of a secret used to store the ACME account private key
+    privateKeySecretRef:
+      name: letsencrypt-staging
+    # Enable the HTTP-01 challenge provider
+    solvers:
+      - http01:
+          ingress:
+            ingressClassName: nginx
diff --git a/cert-manager/overlays/test/kustomization.yaml b/cert-manager/overlays/test/kustomization.yaml
index 4e4f197..31ad16c 100644
--- a/cert-manager/overlays/test/kustomization.yaml
+++ b/cert-manager/overlays/test/kustomization.yaml
@@ -2,3 +2,6 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
 - ../../base
+patches:
+- path: cert-manager-issuer-staging.yml
+- path: cert-manager-issuer-prod.yml