// selected by this will be the ones affected by this deployment.
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector selector = 2;

  // Template describes the pods that will be created.
  optional k8s.io.api.core.v1.PodTemplateSpec template = 3;

  // The deployment strategy to use to replace existing pods with new ones.
  // +optional
  // +patchStrategy=retainKeys

  // 	  :443 for https.
  // Both these may change in the future.
  // Incoming requests are matched against the host before the
  // IngressRuleValue. If the host is unspecified, the Ingress routes all
  // traffic based on the specified IngressRuleValue.
  //
  // host can be "precise" which is a domain name without the terminating dot of
  // a network host (e.g. "foo.bar.com") or "wildcard", which is a domain name

  // 	  :443 for https.
  // Both these may change in the future.
  // Incoming requests are matched against the host before the
  // IngressRuleValue. If the host is unspecified, the Ingress routes all
  // traffic based on the specified IngressRuleValue.
  //
  // host can be "precise" which is a domain name without the terminating dot of
  // a network host (e.g. "foo.bar.com") or "wildcard", which is a domain name

  // than a virtual IP.
  // "NodePort" builds on ClusterIP and allocates a port on every node which
  // routes to the same endpoints as the clusterIP.
  // "LoadBalancer" builds on NodePort and creates an external load-balancer
  // (if supported in the current cloud) which routes to the same endpoints
  // as the clusterIP.
  // "ExternalName" aliases this service to the specified externalName.