public Startup(IConfiguration configuration, IHostingEnvironment hostingEnvironment)
{
     const string esUrl = "https://aws-es-thinger.us-west-1.es.amazonaws.com";
     Log.Logger = new LoggerConfiguration()
                        .Enrich.FromLogContext()
                        .Enrich.WithExceptionDetails()
                          .WriteTo.Elasticsearch(new ElasticsearchSinkOptions(new Uri(esUrl))
                          {
                              ModifyConnectionSettings = conn =>
                              {
                                  var httpConnection = new AwsHttpConnection("us-east-1");
                                  var pool = new SingleNodeConnectionPool(new Uri(esUrl));
                                  var conf = new ConnectionConfiguration(pool, httpConnection);
                                  return conf;
                              },
                              AutoRegisterTemplate = true
                          })
                      .CreateLogger();
}