apiVersion: apps/v1
kind: ReplicaSet
metadata:
  name: rs-one
spec:
  replicas: 2
  selector:
    matchLabels:
      system: ReplicaOne
  template:
     metadata:
       labels:
         system: ReplicaOne
     spec:
       containers:
       - name: nginx
         image: nginx:1.15.1
         ports:
         - containerPort: 80