webapptemplates/BlazorServerApp-NET5/BlaServApp.UI/Program.cs

using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using NLog.Web;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace BlaServApp.UI
{
    public class Program
    {
        #region Public Methods

        public static IHostBuilder CreateHostBuilder(string[] args) =>
            Host.CreateDefaultBuilder(args)
                .ConfigureWebHostDefaults(webBuilder =>
                {
                    webBuilder.UseStartup<Startup>();
                })
                .ConfigureLogging(logging =>
                {
                    logging.ClearProviders();
                    logging.SetMinimumLevel(Microsoft.Extensions.Logging.LogLevel.Trace);
                })
                .UseNLog();

        public static void Main(string[] args)
        {
            // inclusione NLog:
            // https://github.com/NLog/NLog/wiki/Getting-started-with-ASP.NET-Core-5
            // https://codewithmukesh.com/blog/logging-with-nlog-in-aspnet-core/
            var logger = NLog.Web.NLogBuilder.ConfigureNLog("NLog.config").GetCurrentClassLogger();
            try
            {
                logger.Info("GMWS.UI Application Starting Up");
                CreateHostBuilder(args).Build().Run();
            }
            catch (Exception exception)
            {
                logger.Error(exception, "Stopped GMWS.UI program because of exception");
                throw;
            }
            finally
            {
                NLog.LogManager.Shutdown();
            }
        }

        #endregion Public Methods
    }
}