Markdium-Orchestrating startup and shutdown in Scala

Markdium-Scala.scala

val akkaApplicationService: Service = builder
       .startSystemDependent(SomeEtcdService())
       .thenStartHttp(
          HttpServiceDefinition(
            new AkkaControllers().routes,
            serverConfig.host,
            serverConfig.port,
            serverConfig.hardDeadline,
            serverConfig.unbindingDelay
          )
        )
        .thenStartClusterDependent(SomeEntityService())
        .thenStartClusterDependent(SomeKafkaConsumerService())
        .complete