kubernetes-replication.yaml

apiVersion: v1
kind: ReplicationController
metadata:
  name: nginx
spec:
  replicas: 3
  selector:
    app: nginx ##Must BE same to template/metadata/labels/app
  template:
    metadata:
      name: nginx
      labels:
        app: nginx ##
    spec:
      containers:
        - name: nginx
          image: nginx
          ports:
            - containerPort: 80