public async Task <IActionResult> GetByKey(
            [HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = "ConfigMap/GetByKey/{key}")] HttpRequest req,
            string key,
            ILogger log
            )
        {
            log.LogInformation($"{nameof(GetByKey)} - receives request");
            try
            {
                var dtoList = await _configMapService.GetConfigMapsByKey(key);

                return(new OkObjectResult(dtoList));
            }
            catch (Exception ex)
            {
                log.LogError(ex.ToString());
                return(new StatusCodeResult(500));
            }
        }