program.cs

using Microsoft.AspNetCore;
using Microsoft.AspNetCore.Hosting;
using Serilog;
using Serilog.Events;
using System;

namespace test
{
  public class Program
  {
      public static int Main(string[] args)
      {
          //Specify the template to use via Console
          Log.Logger = new LoggerConfiguration()
          .MinimumLevel.Debug()
          .MinimumLevel.Override("Microsoft", LogEventLevel.Information)
          .Enrich.FromLogContext()
          .WriteTo.Console(outputTemplate: "[{Timestamp:yyyy-MMM-dd HH:mm:ss.fff}] [{Level}] {Message}{NewLine}{Exception}")
          .CreateLogger();

          try
          {
              Log.Information("Starting web host");
              BuildWebHost(args).Run();
              return 0;
          }
          catch (Exception ex)
          {
              Log.Fatal(ex, "Host terminated unexpectedly");
              return 1;
          }
          finally
          {
              Log.CloseAndFlush();
          }
      }

      //Use serilog here
      public static IWebHost BuildWebHost(string[] args) =>
          WebHost.CreateDefaultBuilder(args)
              .UseStartup<Startup>()
              .UseSerilog()
              .Build();
  }
}