apiVersion: v1
kind: Pod
metadata: 
  name: initpod
spec:
  containers:
  - name: after-init
    image: busybox
    command: ['sh', '-c', 'echo its running! && sleep 3600'] 
  initContainers:
  - name: init-myservice
    image: busybox
    command: ['sh', '-c', 'until nslookup myservice; do echo waiting for myservice; sleep 2; done;']