Improve notes to access deployed services (#7031)

stable/redis/Chart.yaml

@@ -1,5 +1,5 @@
 name: redis
-version: 3.7.3
+version: 3.7.4
 appVersion: 4.0.10
 description: Open source, advanced key-value store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets and sorted sets.
 keywords:

stable/redis/templates/NOTES.txt

@@ -81,8 +81,7 @@ To connect to your database from outside the cluster execute the following comma
 
 {{- else if contains "ClusterIP" .Values.master.service.type }}
 
-    export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app={{ template "redis.name" . }}" -o jsonpath="{.items[0].metadata.name}")
-    kubectl port-forward --namespace {{ .Release.Namespace }} $POD_NAME {{ .Values.master.port }}:{{ .Values.master.port }}
+    kubectl port-forward --namespace {{ .Release.Namespace }} svc/{{ template "redis.fullname" . }} {{ .Values.master.port }}:{{ .Values.master.port }} &
     redis-cli -h 127.0.0.1 -p {{ .Values.master.port }} {{- if .Values.usePassword }} -a $REDIS_PASSWORD{{ end }}
 
 {{- end }}