diff --git a/k8s/deployment_template.jsonnet b/k8s/deployment_template.jsonnet
index dd5b55f8c8dc4bfcec80d1351b2099d4171ede70..bd2c7548727313dcc48897117001fdd870cdfafe 100644
--- a/k8s/deployment_template.jsonnet
+++ b/k8s/deployment_template.jsonnet
@@ -160,4 +160,22 @@ function (slug) {
         "value": domain
       }
   ],
+   "certificate-patch.json": [
+      {
+        "op": "add",
+        "path": "/spec/acme/config/-",
+        "value": {
+          "domains": [ domain ],
+          "http01": {
+            "ingress": "",
+            "ingressClass": "nginx"
+          }
+        }
+      },
+      {
+        "op": "add",
+        "path": "/spec/dnsNames/-",
+        "value": domain
+      }
+  ]
 }