HT_DASHBOARD/app/Providers/AppServiceProvider.php

<?php

namespace App\Providers;

use Illuminate\Support\ServiceProvider;
use Laravel\Sanctum\Sanctum;

class AppServiceProvider extends ServiceProvider
{
    /**
     * Register any application services.
     */
    public function register(): void
    {
        // 2019_12_14_000001_create_personal_access_tokens_tableテーブルを作らないようにする
        Sanctum::ignoreMigrations();
    }

    /**
     * Bootstrap any application services.
     */
    public function boot(): void
    {
        // DB
        $this->app->singleton(\App\Util\DBUtil::class);

        // コンテキスト設定
        $this->app->singleton(\App\Contexts\Model\Shop::class);
        $this->app->singleton(\App\Contexts\Model\Deposit::class);


        // セッション情報
        $this->app->singleton(\App\Sessions\SessionUser::class);
    }
}