using System.Threading.Tasks; using Microsoft.Extensions.DependencyInjection; using Microsoft.Extensions.Hosting; namespace GenericHostSample { public class ProgramHelloWorld { public static async Task Main(string[] args) { var builder = new HostBuilder() .ConfigureServices((hostContext, services) => { services.AddHostedService(); services.AddHostedService(); }); await builder.RunConsoleAsync(); } } }