Links

Getting started

Console project

Nuget packages

NLog.Extensions.Logging
Microsoft.Extensions.DependencyInjection
Microsoft.Extensions.Configuration.Json

Config file

Be sure to have the config file copied to the output folder while building.

appsettings.json

Program

Program.cs

var logger = LogManager.GetCurrentClassLogger();

try
{
    var config = new ConfigurationBuilder()
       .SetBasePath(Directory.GetCurrentDirectory())
       .AddJsonFile("appsettings.json", optional: false, reloadOnChange: true)
       .Build();

    // to log in this class only
    LogManager.Configuration = new NLogLoggingConfiguration(config.GetSection("NLog"));

    using var servicesProvider = new ServiceCollection()
        .AddTransient<MyApp>()
        .AddLogging(loggingBuilder =>
        {
            // configure Logging with NLog
            loggingBuilder.ClearProviders();
            loggingBuilder.SetMinimumLevel(Microsoft.Extensions.Logging.LogLevel.Trace);
            loggingBuilder.AddNLog(config);
        }).BuildServiceProvider();

    var myApp = servicesProvider.GetRequiredService<MyApp>();
    myApp.Run();
}
catch (Exception ex)
{
    // NLog: catch any exception and log it.
    logger.Error(ex, "Stopped program because of exception");
    throw;
}
finally
{
    // Ensure to flush and stop internal timers/threads before application-exit (Avoid segmentation fault on Linux)
    LogManager.Shutdown();
}