RavenDB_IoC.cs

  x.ForSingletonOf<IDocumentStore>().Use(() => {
                    var ds= new DocumentStore();
                    ds.ConnectionStringName = "Raven";
                    ds.Initialize();
                    return ds;
                });

  x.For<IDocumentSession>().HybridHttpOrThreadLocalScoped().Use(ctx => 
  {
        return ctx.GetInstance<IDocumentStore>().OpenSession();
  });