review yaml files

13-4-nfs-volume.yaml

@@ -5,6 +5,9 @@ metadata:
   labels:
     volume: my-volume
 spec:
+  accessModes:
+  - ReadWriteOnce
+  - ReadWriteMany
   capacity:
     storage: 1Gi
   nfs:

13-5-nfs-volume-claim.yaml

@@ -3,6 +3,9 @@ apiVersion: v1
 metadata:
   name: database
 spec:
+  accessModes:
+  - ReadWriteOnce
+  - ReadWriteMany
   resources:
     requests:
       storage: 1Gi

13-6-mysql-replicaset.yaml

@@ -1,4 +1,4 @@
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: ReplicaSet
 metadata:
   name: mysql