boursecu_server/app/Providers/AppServiceProvider.php

<?php

namespace App\Providers;

use App\Console\MigrateCommand;
use App\Models\Customer;
use App\Observers\CustomerObserver;
use Illuminate\Contracts\Events\Dispatcher;
use Illuminate\Database\Migrations\MigrationRepositoryInterface;
use Illuminate\Database\MigrationServiceProvider;
use Illuminate\Support\ServiceProvider;

class AppServiceProvider extends ServiceProvider
{
    /**
     * Register any application services.
     *
     * @return void
     */
    public function register()
    {
        // MigrationServiceProvider به‌صورت deferred است؛ قبل از override کردن migrate
        // باید migration.repository و migrator ثبت شوند (حتی در package:discover).
        $this->app->register(MigrationServiceProvider::class);

        $this->app->bind(MigrationRepositoryInterface::class, function ($app) {
            return $app->make('migration.repository');
        });

        $this->app->singleton('command.migrate', function ($app) {
            return new MigrateCommand(
                $app->make('migrator'),
                $app->make(Dispatcher::class)
            );
        });
    }

    /**
     * Bootstrap any application services.
     *
     * @return void
     */
    public function boot()
    {
        Customer::observe(CustomerObserver::class);
    }
}