Looks fine locally.Stops running in prod. Root cause Unhandled exceptions inside ExecuteAsync. What actually happens The host kills the service quietly. Correct pattern protected override async Task ExecuteAsync(CancellationToken ct) { while (!ct.IsCancellationRequested) { try { await DoWork(ct); } catch (Exception ex) { logger.LogError(ex, “Background task failed”); await Task.Delay(5000, ct); } } } Cause → Effect […]