static async Task <IClientActorSystem> RunCluster()
{
var folder = Storage.Init();
silo = await new SiloHostBuilder()
.ConfigureServices(s => s
.AddSingletonNamedService <IGrainStorage>("copier", (sp, __) => new Storage(sp, typeof(CopierState), folder)))
.AddSimpleMessageStreamProvider("notifications", o =>
{
o.FireAndForgetDelivery = false;
o.OptimizeForImmutableData = false;
})
.ConfigureApplicationParts(x => x
.AddApplicationPart(Assembly.GetExecutingAssembly())
.WithCodeGeneration())
.UseOrleankka()
.Start();
return(silo.ActorSystem());
}