WebHost和WebHostBuilder

WebHostBuilder.cs的源碼
https://github.com/aspnet/Hosting/blob/master/src/Microsoft.AspNetCore.Hosting/WebHostBuilder.cs

WebHost.cs的MetaPackages
https://github.com/aspnet/MetaPackages/blob/master/src/Microsoft.AspNetCore/WebHost.cs

ASP.NET Core 运行原理解剖[1]:Hosting
https://www.cnblogs.com/RainingNight/p/hosting-in-asp-net-core.html

What is the difference between IWebHost WebHostBuilder BuildWebHost
https://stackoverflow.com/questions/52085806/what-is-the-difference-between-iwebhost-webhostbuilder-buildwebhost