add webhook

config/deployment.yaml

@@ -4,9 +4,14 @@ metadata:
   name: controller
   namespace: system
 spec:
-  replicas: 2
+  replicas: 1
+  selector:
+    matchLabels:
+      component: controller
   template:
     metadata:
+      labels:
+        component: controller
       annotations:
         prometheus.io/port: "8080"
         prometheus.io/scrape: "true"
@@ -17,6 +22,7 @@ spec:
       - args:
         - --metrics-address=:8080
         - --enable-leader-election
+        - --cert-dir=/tmp/webhook
         image: controller:latest
         name: manager
         env: