Lumen/Laravel Pages Controller

PagesController.php

<?php
namespace App\Http\Controllers;

class PagesController extends Controller
{
    public function page($page)
    {
        if (file_exists('../resources/views/templates/' . $page . '.blade.php'))
        {
            return view('templates/' . $page);
        } else {
            return '404';
        }
    }
}

web.php

$app->get('{page}', 'PagesController@page');

Simple page catch-all super controller.