microservice-api-gateway/database/seeds/DatabaseSeeder.php

<?php

declare(strict_types = 1);

use Illuminate\Database\Seeder;

class DatabaseSeeder extends Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     */
    public function run()
    {
        \Illuminate\Support\Facades\Artisan::call('passport:install');
         $this->call(UserTableSeeder::class);
    }
}