WebTemplate.cs

using System;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Hosting;
using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Serilog;
using Serilog.Filters;
using Serilog.Events;

namespace WebTemplateLib2
{

    public class WebTemplateBuilder
    {
        public static WebConfig Config;
        public static void Main(string[] args)
        {
            Log.Logger = new LoggerConfiguration()
                .Enrich.FromLogContext()
            // .Filter.ByExcluding(Matching.FromSource("Microsoft"))
             // .Filter.ByExcluding(Matching.FromSource("System"))
                .MinimumLevel.Information()
                .WriteTo.Console
                (
                    LogEventLevel.Verbose,
                    "{Timestamp:yyyy-MM-dd HH:mm:ss} [{Level:u3}] ({CorrelationToken}) {SourceContext} - {Message}{NewLine}{Exception}"
                )
                .CreateLogger();
            CreateHostBuilder(args).Build().Run();
        }

        public static IHostBuilder CreateHostBuilder(string[] args) =>
            Host.CreateDefaultBuilder(args)
                .ConfigureWebHostDefaults(webBuilder =>
                {
                    webBuilder.UseSerilog();
                    webBuilder.UseUrls("http://*:" + Config.Port.ToString());
                    webBuilder.UseStartup<Startup>();
                });
    }

    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }
        public IConfiguration Configuration { get; }
        public void ConfigureServices(IServiceCollection services)
        {
            if (WebTemplateBuilder.Config.Configurator != null)
            {
                WebTemplateBuilder.Config.Configurator(services);
            }
            services.AddControllers();
            var s = services.AddMvcCore();
            foreach (var assembly in WebTemplateBuilder.Config.Controllers)
            {
                s.AddApplicationPart(assembly).AddControllersAsServices();
            };
        }
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            app.UseRouting();
            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllers();
            });
        }
    }

}