gwms/GWMS.UI/Program.cs

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

namespace GWMS.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();
#if DEBUG
                    //logging.SetMinimumLevel(Microsoft.Extensions.Logging.LogLevel.Debug);
                    logging.SetMinimumLevel(Microsoft.Extensions.Logging.LogLevel.Information);
#else
                    logging.SetMinimumLevel(Microsoft.Extensions.Logging.LogLevel.Warning);
#endif
                })
                .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 = NLogBuilder.ConfigureNLog("NLog.config").GetCurrentClassLogger();
            var logger = LogManager.Setup().LoadConfigurationFromAppSettings().GetCurrentClassLogger();

#if false
            // sistemazione NLog da codice...
            LogManager.Setup().LoadConfiguration(builder =>
            {
                builder.ForLogger().FilterMinLevel(NLog.LogLevel.Debug).WriteToConsole(layout: "${longdate} | ${uppercase:${level}} | ${logger:shortName=false} | ${message}");
                builder.ForLogger().FilterMinLevel(NLog.LogLevel.Debug).WriteToFile(layout: "${longdate} | ${uppercase:${level}} | ${logger:shortName=false} | ${message}", fileName: "${basedir}/logs/App_${shortdate}.log");
            }); 
            var logger = LogManager.GetCurrentClassLogger();
#endif

            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
            {
                LogManager.Shutdown();
            }
        }

        #endregion Public Methods
    }
}