Building Testable Applications using the Repository Pattern - http://www.slashnode.com/the-repository-pattern/

StorageServiceProvider.php

<?php namespace Acme\Storage\Eloquent;

use Illuminate\Support\ServiceProvider;

class StorageServiceProvider extends ServiceProvider {
	
  public function register()
  {
    // tells the IoC container that when we request an instance of PostRepositoryInterface,
    // it should instantiate and return Acme\Storage\Eloquent\PostRepository
    $this->app->bind(
      'Acme\Storage\PostRepositoryInterface',
      'Acme\Storage\Eloquent\PostRepository'
    );
  }
  
}