dotnet NetCore.API.dll --environment "Staging" --server.urls "http://localhost:5101;http://*:5102"
https://andrewlock.net/how-to-set-the-hosting-environment-in-asp-net-core/ http://www.talkingdotnet.com/define-a-custom-environment-in-asp-net-core/ https://docs.microsoft.com/en-us/aspnet/core/fundamentals/configuration/?tabs=basicconfiguration&view=aspnetcore-2.1#setup-and-use-the-commandline-configuration-provider