startup.cs

public partial class Startup
{
    public void Configuration(IAppBuilder app)
    {
        ConfigureAuth(app);

        // Initialize the ClusterHelper
        ClusterHelper.Initialize(new ClientConfiguration
        {
            Servers = new List<Uri>
            {
                new Uri("http://localhost:8091/")
            }
        });

        // Register a callback that will dispose of the ClusterHelper on app shutdown
        var properties = new AppProperties(app.Properties);
        var token = properties.OnAppDisposing;
        if (token != CancellationToken.None)
        {
            token.Register(() =>
            {
                ClusterHelper.Close();
            });
        }
    }
}