abp-next-admin/aspnet-core/services/account/AuthServer.Host/Program.cs

using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Hosting;
using Serilog;
using System;
using System.IO;

namespace AuthServer.Host
{
    public class Program
    {
        public static int Main(string[] args)
        {
            var env = Environment.GetEnvironmentVariable("ASPNETCORE_ENVIRONMENT") ?? "Production";
            var configuration = new ConfigurationBuilder()
                .SetBasePath(Directory.GetCurrentDirectory())
                .AddJsonFile($"appsettings.{env}.json", optional: false, reloadOnChange: true)
                .AddEnvironmentVariables()
                .Build();
            Log.Logger = new LoggerConfiguration()
               .ReadFrom.Configuration(configuration)
               .CreateLogger();
            try
            {
                Log.Information("Starting web host.");
                CreateHostBuilder(args).Build().Run();
                return 0;
            }
            catch (Exception ex)
            {
                Log.Fatal(ex, "Host terminated unexpectedly!");
                return 1;
            }
            finally
            {
                Log.CloseAndFlush();
            }
        }

        internal static IHostBuilder CreateHostBuilder(string[] args) =>
           Microsoft.Extensions.Hosting.Host.CreateDefaultBuilder(args)
                .ConfigureWebHostDefaults(webBuilder =>
                {
                    webBuilder.UseStartup<Startup>();
                })
                .UseSerilog()
                .UseAutofac();
    }
}