.NET core Pass Commandline Args to Startup.cs from Program.cs

Question

I\'m trying to configure kestrel so that when it\'s in it\'s raw mode it runs on a specific port. However to do so it appears that the launchsettings.json needs to pass comm

Answer 1

A simple solution is to access the command line arguments through the Environment.GetCommandLineArgs method.

You only need to make sure that you remove the first argument, which is the executable name:

public class Startup
{
    public Startup(IHostingEnvironment env)
    {
        var args = Environment.GetCommandLineArgs().Skip(1).ToArray();
        var builder = new ConfigurationBuilder();
        builder.AddCommandLine(args);

        Configuration = builder.Build();
    }
}