update kustomize example (#2270)

Author: natasha41575

package-examples/kustomize/bases/nginx/kustomization.yaml

@@ -11,7 +11,10 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+metadata:
+  name: kustomization
 resources:
 - deployment.yaml
 - svc.yaml

package-examples/kustomize/overlays/dev/kustomization.yaml

@@ -14,6 +14,8 @@
 
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
+metadata:
+  name: kustomization
 resources:
 - ../../bases/nginx
 - Kptfile

package-examples/kustomize/overlays/prod/kustomization.yaml

@@ -14,6 +14,8 @@
 
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
+metadata:
+  name: kustomization
 resources:
 - ../../bases/nginx
 - Kptfile