using System;

using System.IO;

using Microsoft.Extensions.Logging;     

using Microsoft.Extensions.DependencyInjection; 

​

public class Program

{

    public static void Main()

    {

        var collection = new ServiceCollection();

        collection.AddLogging(b => {

            b.AddConsole();

            b.SetMinimumLevel(LogLevel.Information);

        });

        var sp = collection.BuildServiceProvider();

        using(var scope = sp.CreateScope())

        {

            var logger = scope.ServiceProvider.GetRequiredService<ILogger<Program>>();

​

            logger.LogInformation("Current directory {0}", Directory.GetCurrentDirectory());

        }

    }

}