Port number of the gRPC service. Number must be in the range 1 to 65535. If not specified, defaults to the exposed port of the container, which is the value of container.ports0.containerPort.
Service is the name of the service to place in the gRPC HealthCheckRequest (see https://github.com/grpc/grpc/blob/master/doc/health-checking.md). If this is not specified, the default behavior is defined by gRPC.