Caching settings repository

AppServiceProvider.php

<?php

namespace App\Providers;

use App\Repositories\SettingsRepository;
use Illuminate\Support\ServiceProvider;

class AppServiceProvider extends ServiceProvider
{
    public function register()
    {
        $this->app->singleton(SettingsRepository::class, function () {
            return new SettingsRepository();
        });
    }
}

SettingsRepository.php

<?php

namespace App\Repositories;

use App\Models\Setting;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Support\Facades\Cache;

class SettingsRepository
{
    public function all(): Collection
    {
        return Cache::rememberForever('settings', function () {
            return Setting::pluck('value', 'key');
        });
    }
}