apiVersion: apps/v1
kind: ReplicaSet
metadata: 
   name: kubia
spec: 
   replicas: 3
   selector: 
      matchLabels: 
         app: kubia      
   template:
      metadata: 
         labels:
            app: kubia
      spec: 
         containers: 
         - name: kubia
           image: ksfzhaohui/kubia