public static async Task <IActionResult> HealthCheck( [HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = "healthcheck")] HttpRequest req, TraceWriter log) { // get the user ID if (!await UserAuthenticationService.GetUserIdAsync(req, out var userId, out var responseResult)) { return(responseResult); } // list the categories try { var healthCheckResult = await ImagesService.HealthCheckApi(userId, req.Host.Host); if (healthCheckResult == null) { return(new NotFoundResult()); } // serialise the summaries using a custom converter var settings = new JsonSerializerSettings { NullValueHandling = NullValueHandling.Ignore, Formatting = Formatting.Indented }; var json = JsonConvert.SerializeObject(healthCheckResult, settings); return(new ContentResult { Content = json, ContentType = JsonContentType, StatusCode = StatusCodes.Status200OK }); } catch (Exception ex) { log.Error("Unhandled exception", ex); return(new ExceptionResult(ex, false)); } }