replicaset-definition.yml

apiVersion: apps/v1
kind: ReplicaSet
metadata:
  name: webapp-rs
  labels:
    app: webapp

spec:
  template:
    metadata:
      name: webapp-pods
      labels:
        app: webapp
        tier: front-end
    spec:
      containers:
        - name: httpd
          image: httpd
          imagePullPolicy: IfNotPresent
          ports:
          - containerPort: 80
  replicas: 5
  selector:
    matchLabels:
      tier: front-end