apiVersion: apps/v1
kind: ReplicaSet
metadata:
  name: nginx-replicaset
  labels:
    app: nginx-rs
spec:
  replicas: 5
  selector:
    matchLabels:
      app: nginx-rs
  template:
    metadata:
      labels:
        app: nginx-rs
    spec:
      containers:
      - name: nginx
        image: docker.io/nginx:latest
        ports:
        - containerPort: 8080
        env:
        - name: NGINX_PORT
          value: "8080"