k3s/examples/guestbook-go/v1beta3/guestbook-service.json

{
   "kind":"Service",
   "apiVersion":"v1beta3",
   "metadata":{
      "name":"guestbook",
      "labels":{
         "name":"guestbook"
      }
   },
   "spec":{
      "port":3000,
      "containerPort":"http-server",
      "protocol":"TCP",
      "selector":{
         "name":"guestbook"
      }
   }
}