Update README

deploy/kubernetes/csi-snapshotter/setup-csi-snapshotter.yaml

@@ -84,7 +84,7 @@ spec:
             - name: socket-dir
               mountPath: /csi
         - name: csi-snapshotter
-          image: k8s.gcr.io/sig-storage/csi-snapshotter:v3.0.0
+          image: k8s.gcr.io/sig-storage/csi-snapshotter:v4.0.0
           args:
             - "--v=5"
             - "--csi-address=$(ADDRESS)"

deploy/kubernetes/snapshot-controller/setup-snapshot-controller.yaml

@@ -25,7 +25,7 @@ spec:
       serviceAccount: snapshot-controller
       containers:
         - name: snapshot-controller
-          image: k8s.gcr.io/sig-storage/snapshot-controller:v3.0.0
+          image: k8s.gcr.io/sig-storage/snapshot-controller:v4.0.0
           args:
             - "--v=5"
             - "--leader-election=false"

deploy/kubernetes/webhook-example/webhook.yaml

@@ -17,7 +17,8 @@ spec:
     spec:
       containers:
       - name: snapshot-validation
-        image: k8s.gcr.io/sig-storage/snapshot-validation-webhook:v3.0.0 # change the image if you wish to use your own custom validation server image
+        image: k8s.gcr.io/sig-storage/snapshot-validation-webhook:v4.0.0 # change the image if you wish to use your own custom validation server image
+        imagePullPolicy: IfNotPresent
         args: ['--tls-cert-file=/etc/snapshot-validation-webhook/certs/cert.pem', '--tls-private-key-file=/etc/snapshot-validation-webhook/certs/key.pem']
         ports:
         - containerPort: 443 # change the port as needed