gistfile1.cs

public class NancyEngineProvider : INancyBootStrapper, INancyModuleCatalog
{
	private readonly ContainerBuilder containerBuilder;
	private IContainer container;
	private bool isInitialized;

	public NancyEngineProvider()
	{
		containerBuilder = new ContainerBuilder();
	}

	public INancyEngine GetEngine()
	{
		if (!isInitialized) Initialize();
		return container.Resolve<INancyEngine>();
	}

	private void Initialize()
	{
		containerBuilder.RegisterType<ModuleCatalog>()
						.As<INancyModuleCatalog>();
                 //in castle you don't need an implementation for this. simply "AsFactory".

		containerBuilder.RegisterType<RouteResolver>()
						.As<IRouteResolver>()
						.SingleInstance();

		containerBuilder.RegisterType<DefaultTemplateEngineSelector>()
						.As<ITemplateEngineSelector>().SingleInstance();

		containerBuilder.RegisterType<NancyEngine>()
						.As<INancyEngine>()
						.SingleInstance();

		//register all modules of the assembly

		container = containerBuilder.Build();

		isInitialized = true;
	}	
}