apiVersion: apps/v1
kind: ReplicaSet
metadata:
  name: myapp-replicaset
  labels:
    app: myapp
    type: front-end
spec:
  template:
    metadata:
      name: myapp-pod  #string
      labels:
        app: myapp
        anyKey: anyValue
    spec:
      containers:
      - image: nginx
        name: myapp
  replicas: 3 
  selector:
    matchLabels: # совпадение меток от ПОДов
      anyKey: anyValue