small changes

k8s/examples/automated-nfs-backup.env.example

@@ -1,6 +1,6 @@
 NFS_SOURCE_PATH=/path/to/nfs/source
 BACKUP_OUTPUT_PATH=/path/to/backup/output
-BACKUP_PASSWORD=replace-with-strong-password
+BACKUP_PASSWORD=
 KUBECTL_BIN=kubectl
 KUBE_CONTEXT=
 WORKLOAD_KINDS=deployment,statefulset,replicaset,replicationcontroller
@@ -19,3 +19,4 @@ NOTIFY_SUCCESS_URL=
 NOTIFY_FAILURE_URL=
 NOTIFY_TITLE=Kubernetes
 NOTIFY_ASSET=kube config
+CLEANUP_DELETE_COUNT=5