Setting Up Serilog with Asp.Net Core

program.cs

public class Program
{
  public IConfiguration Configuration = 
    new ConfigurationBuilder()
    .AddJsonFile("appSettings.json")
    .AddEnvironmentVariables()
    .AddUserSecrets<StartUp>();
    
  public static Task<int> Main(string[] args)
  {
      Log.Logger = new LoggerConfiguration()
                .ReadFrom.Configuration(Configuration.GetSection("Serilog"))	
                .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();
      }
  }
  
  public static IWebHost BuildWebHost(string[] args) =>
        WebHost.CreateDefaultBuilder(args)
     	    .UseStartup<Startup>()
            .UseSerilog()
            .Build();

}