public static HttpResponseMessage Run(HttpRequestMessage req, TraceWriter log)
{
var response = new HttpResponseMessage(HttpStatusCode.OK);
var stream = new FileStream(@"d:\home\site\wwwroot\ShoppingList\index.html", FileMode.Open);
response.Content = new StreamContent(stream);
response.Content.Headers.ContentType = new MediaTypeHeaderValue("text/html");
return response;
}