index.php

<?php
  // snip ...
  
    // Marketing site routes (www. or no subdomain)
    $app->subdomain(['www', false], function($request) use($siteRoutesDir) {
        Bullet\View\Template::config(array(
            'path' => BULLET_APP_ROOT . '/templates/',
            'path_layouts' => BULLET_APP_ROOT . '/templates/layout/site/',
            'auto_layout' => 'inner'
        ));
        require $siteRoutesDir . 'index.php';
    });

    // Application/API Routes (app.domain.com or api.domain.com)
    $app->subdomain(['app', 'api'], function($request) use($routesDir) {
        require $routesDir . 'index.php';
        require $routesDir . 'events.php';
        require $routesDir . 'messages.php';
        require $routesDir . 'groups.php';
        require $routesDir . 'devices.php';
        require $routesDir . 'users.php';

        // DB tasks (admin only)
        require $routesDir . 'db.php';
    });
    
  // snip ...