A "better" ZF2 application config

application.config.php

<?php declare(strict_types=1);

namespace {owner}\{project}\environment;

final class ApplicationConfig
{
    public const ENV_DEVELOPMENT = 'development';
    public const ENV_TEST        = 'test';
    public const ENV_STAGING     = 'staging';
    public const ENV_PRODUCITON  = 'production';
    
    private const CACHE_DIR = 'data/config/';
    
    private $modules : array;
    private $devModules : array;
    
    public function __construct(array $modules = [], array $devModules = [])
    {
        $this->modules = $modules;
        $this->devModules = $modules + $devModules;
    }
    
    public function build(string $anEnvironment, string $cacheDir = self::CACHE_DIR) : array
    {
        $isProduction = in_array(strtolower($anEnvironment), [static::ENV_PRODUCTION, static::ENV_STAGING]);

        return [
            'modules'                 => ($isProduction) ? $this->modules : $this->devModules,
            'module_listener_options' => [
                'module_paths'             => ['./module', './vendor'],
                'config_glob_paths'        => ['config/autoload/{{,*.}global,{,*.}local}.php'],
                'config_cache_enabled'     => $isProduction,
                'config_cache_key'         => 'app_config',
                'module_map_cache_enabled' => $isProduction,
                'module_map_cache_key'     => 'module_map',
                'cache_dir'                => $cacheDir,
                'check_dependencies'       => $isProduction,
            ],
        ];
    }
}

// define APP_ENV on your server for each environment
return (new ApplicationConfig)->build(getenv('APP_ENV'));