CliFx/CliFx.Demo/Program.cs

using CliFx;
using CliFx.Demo.Domain;
using Microsoft.Extensions.DependencyInjection;

// We use Microsoft.Extensions.DependencyInjection for injecting dependencies in commands
var services = new ServiceCollection();
services.AddSingleton<LibraryProvider>();

// Register all commands as transient services
foreach (var commandType in commandTypes)
    services.AddTransient(commandType);

return await new CliApplicationBuilder()
    .SetDescription("Demo application showcasing CliFx features.")
    .AddCommandsFromThisAssembly()
    .UseTypeActivator(services.BuildServiceProvider())
    .Build()
    .RunAsync();