apiVersion: apps/v1
kind: Deployment
metadata:
  name: busybox
  labels:
    app: busybox
spec:
  replicas: 2
  selector:
    matchLabels:
      app: busybox
  template:
    metadata:
      labels:
        app: busybox
    spec:
      containers:
      - name: busybox
        # flaky nslookup in busybox versions newer than 1.28:
        # https://github.com/docker-library/busybox/issues/48
        # note: k8s.gcr.io/e2e-test-images/agnhost:2.32
        # has similar issues (ie, resolves but returns exit code 1)
        image: busybox:1.28
        command:
          - sleep
          - "3600"
        imagePullPolicy: IfNotPresent
      restartPolicy: Always
      affinity:
        # ⬇⬇⬇ This ensures pods will land on separate hosts
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
              matchExpressions: [{ key: app, operator: In, values: [busybox] }]
            topologyKey: "kubernetes.io/hostname"
