public static async Task <HttpResponseMessage> Run( [HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = "healthprobe")] HttpRequestMessage req, ILogger log) { FunctionUtility.HealthProbe(); var response = req.CreateResponse(HttpStatusCode.OK); response.Headers.CacheControl = new CacheControlHeaderValue { NoCache = true, NoStore = true, MustRevalidate = true }; return(response); }