protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
_appLifetime.ApplicationStarted.Register(OnStarted);
_appLifetime.ApplicationStopping.Register(OnStopping);
_appLifetime.ApplicationStopped.Register(OnStopped);
_logger.LogInformation("MqttStatus: " + _mqttService.Connected().ToString());
_timer = new Timer(DoWork, null, TimeSpan.Zero,
TimeSpan.FromSeconds(5));
_logger.LogInformation("Task is running");
await Task.CompletedTask;
}