ReplicaSet fails with invalid: spec.template.metadata.labels

Question

I am trying to do some research on replicaSet for my learning purpose. I was able to create a replicaSet successfully with matchLabels. To test the matchExpression selector, I c

Answer 1

Can you try with the following by changing the label in template section.

apiVersion: apps/v1
kind: ReplicaSet
metadata:
  name: replicaset-2
spec:
  replicas: 2
  selector:
    matchExpressions:
      - {key: tier, operator: In, values: [frontend1]}
  template:
    metadata:
      labels:
        tier: frontend1
    spec:
      containers:
      - name: nginx
        image: nginx