ldc-dam/app/Providers/AppServiceProvider.php

<?php

namespace App\Providers;

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($this->app->environment("prod")){
			\URL::forceScheme("https");
		}

        if (config('app.env') !== 'local') {
            setlocale(LC_TIME, config('app.locale') . "_" . strtoupper(config('app.locale')) . '.utf8');
        }

        if (config('app.env') === 'local') {
            setlocale(LC_TIME, strtoupper(config('app.locale')) . "_" . config('app.locale') . '.utf8');
        }
    }
}