[InitializableModule]
public class DependencyInstaller : IConfigurableModule
{
    public void ConfigureContainer(ServiceConfigurationContext context)
    {
        var container = context.StructureMap();

        DependencyResolver.SetResolver(new StructureMapDependencyResolver(container));

        context.Services.Add<SiteSettings>(sl =>
        {
            var factory = sl.GetInstance<ViewModelFactory>();
            return factory.SiteSettings;
        }, ServiceInstanceScope.HttpContext);
    }

    public void Initialize(InitializationEngine context)
    {

    }

    public void Uninitialize(InitializationEngine context)
    {

    }
}