Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;

namespace WorkerService
{
    public class Program
    {
        public static void Main(string[] args)
        {
            CreateHostBuilder(args).Build().Run();
        }

        public static IHostBuilder CreateHostBuilder(string[] args) =>
            Host.CreateDefaultBuilder(args)
                .ConfigureLogging(loggingBuilder => 
                {
                    loggingBuilder.AddConsole(options => 
                    {
                        options.DisableColors = true;
                    });
                })
                .ConfigureServices((hostContext, services) =>
                {
                    services.AddHttpClient();
                    services.AddHostedService<Worker>();
                });
    }
}