rs.yml

kind: ReplicaSet                                      # Defines the object to be ReplicaSet
apiVersion: apps/v1                               # Replicaset is not available on v1
metadata:
  name: myreplicaset
spec:
  replicas: 2                                              # this element defines the desired number of pods
  selector:                                                # tells the controller which pods to watch/belong to this Replication Set 
    matchExpressions:                             # these must match the labels 
      - {key: myname, operator: In, values: [adam, adamm, aadam]}
      - {key: env, operator: NotIn, values: [production]}
  template:                                              # template element defines a template to launch a new pod
    metadata: 
      name: testpod7
      labels:                                                # selector values need to match the labels values specified in the pod template
        myname: adam
    spec:
     containers:
       - name: c00
         image: ubuntu
         command: ["/bin/bash", "-c", "while true; do echo Hello-Adam; sleep 5 ; done"]