temp

#pod.spec
hostAliases:
- ip: "10.1.2.3"
  hostnames:
  - "foo.com"
  - "bar.com"

pod.pec
shareProcessNamespace: true
hostNetwork: true
hostIPC: true
hostPID: true

    lifecycle:
      postStart:
        exec:
          command: ["/bin/sh", "-c", "echo Hello from the postStart handler > /usr/share/message"]
      preStop:
        exec:
          command: ["/usr/sbin/nginx","-s","quit"]