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Create a Replica set

Let us create a rs.yaml manifest for a ReplicaSet object:

#Part 1
apiVersion: apps/v1
kind: ReplicaSet
metadata:
  name: nginx-rs
spec:
  replicas: 3
  selector:
    app: nginx-pod
#Part 2
  template:
    metadata:
      name: nginx-pod
      labels:
         app: nginx-pod
    spec:
      containers:
      - image: nginx:latest
        name: nginx-pod
        ports:
        - containerPort: 80
          protocol: TCP

kubectl apply -f rs.yaml

The manifest file of ReplicaSet consist of the following fields: