Changed k8s installation files for a bit more sophisticated setup.

docs/install/k8s/30-pvc.yaml

@@ -1,34 +1,13 @@
 apiVersion: v1
 kind: PersistentVolumeClaim
-metadata:
-  name: recipes-db
-  labels:
-    app: recipes
-spec:
-  selector:
-    matchLabels:
-      tier: db
-  storageClassName: manual
-  accessModes:
-    - ReadWriteMany
-  resources:
-    requests:
-      storage: 1Gi
----
-apiVersion: v1
-kind: PersistentVolumeClaim
 metadata:
   name: recipes-media
+  namespace: default
   labels:
     app: recipes
 spec:
-  selector:
-    matchLabels:
-      tier: media
-      app: recipes
-  storageClassName: manual
   accessModes:
-    - ReadWriteMany
+    - ReadWriteOnce
   resources:
     requests:
       storage: 1Gi
@@ -37,16 +16,12 @@ apiVersion: v1
 kind: PersistentVolumeClaim
 metadata:
   name: recipes-static
+  namespace: default
   labels:
     app: recipes
 spec:
-  selector:
-    matchLabels:
-      tier: static
-      app: recipes
-  storageClassName: manual
   accessModes:
-    - ReadWriteMany
+    - ReadWriteOnce
   resources:
     requests:
       storage: 1Gi