Getting url() in a Command returns http://localhost | URL generated in a queue - localhost returned | URL in jobs only return localhost | URL problem with queued jobs

First need to specify url to project/config/app.php as below:

<?php
return [
    'url' => 'http://localhost:81/my_laravel_project/'
];

Now need to modify project/app/Providers/RouteServiceProvider.php as below:

<?php
namespace App\Providers;

use Illuminate\Routing\Router;
use Illuminate\Foundation\Support\Providers\RouteServiceProvider as ServiceProvider;

class RouteServiceProvider extends ServiceProvider
{
    /**
     * This namespace is applied to the controller routes in your routes file.
     *
     * In addition, it is set as the URL generator's root namespace.
     *
     * @var string
     */
    protected $namespace = 'App\Http\Controllers';

    /**
     * Define your route model bindings, pattern filters, etc.
     *
     * @param  \Illuminate\Routing\Router  $router
     * @return void
     */
    public function boot(Router $router)
    {
        parent::boot($router);

        $url = $this->app['url'];
        $url->forceRootUrl(config('app.url'));
    }

    /**
     * Define the routes for the application.
     *
     * @param  \Illuminate\Routing\Router  $router
     * @return void
     */
    public function map(Router $router)
    {
        $router->group(['namespace' => $this->namespace], function ($router) {
            require app_path('Http/routes.php');
        });
    }
}