Basic Unity Container running Log4net extensions.

UnityConfig.cs

using System;
using Microsoft.Practices.Unity;
using UnityLog4NetExtension.Log4Net;

public static class UnityConfig
{
    static IUnityContainer GetContainer()
    {
        var newContainer = new UnityContainer()
            .AddNewExtension<LogCreation>() //Custom extension that executes logger setup
            .AddNewExtension<Log4NetExtension>();

        return newContainer;
    }

    public static IUnityContainer GetConfiguredContainer()
    {
        return container.Value;
    }

    static Lazy<IUnityContainer> container { get; set; }

    public static void RegisterComponents()
    {
        container = new Lazy<IUnityContainer>(GetContainer);

        // register all your components with the container here
        // it is NOT necessary to register your controllers

        // e.g. container.Value.RegisterType<ITestService, TestService>();
    }
}