kustomize: add page (#3360)

pages/common/kustomize.md

@@ -0,0 +1,20 @@
+# kustomize
+
+> Kustomize is a tool to easily deploy resources for Kubernetes.
+> More information: <https://github.com/kubernetes-sigs/kustomize>.
+
+- Create kustomization file with resources and namespace:
+
+`kustomize create --resources {{deployment.yaml,service.yaml}} --namespace {{staging}}`
+
+- Build kustomization file and deploy it with kubectl:
+
+`kustomize build . | kubectl apply -f -`
+
+- Set image in the kustomization file:
+
+`kustomize edit set image {{busybox=alpine:3.6}}`
+
+- Search for kubernetes resources in the current directory to be added to the kustomization file:
+
+`kustomize create --autodetect`