ldc-tousenselle/app/Providers/AppServiceProvider.php

<?php

namespace App\Providers;

use Illuminate\Support\Facades\App;
use Illuminate\Support\Facades\URL;
use Illuminate\Support\ServiceProvider;

class AppServiceProvider extends ServiceProvider
{
    /**
     * Register any application services.
     *
     * @return void
     */
    public function register()
    {
        //
    }

    /**
     * Bootstrap any application services.
     *
     * @return void
     */
    public function boot()
    {
        if (config('app.env') !== 'local') {
            URL::forceScheme('https');
        }
        App::singleton('clientIp', function () {
            if (config('app.env') === 'local') {
                return request()->getClientIp();
            } else {
                return request()->server('HTTP_X_FORWARDED_FOR') ??
                request()->getClientIp();
            }
        });
    }
}