如何配置Akka播放应用程序在集群中运行

akka.cluster.roles = [backend, frontend]

akka.actor.provider = "cluster"
akka.remote.artery.enabled = on
akka.cluster.seed-nodes = [
  "akka.tcp://my-cluster@node1.example.com:2551",
  "akka.tcp://my-cluster@node2.example.com:2552"
]

class BackendActor extends Actor {
  // Actor的逻辑代码
}

val backendSystem = ActorSystem("my-cluster", config)
val backendActor = backendSystem.actorOf(Props[BackendActor], name = "backend")
Cluster(backendSystem).join(Cluster(backendSystem).selfAddress)

val frontendSystem = ActorSystem("my-cluster", config)
val frontendActor = frontendSystem.actorOf(FromConfig.props(Props[FrontendActor]), name = "frontend")