SATE-EasyReceipt/app/Jobs/BaseJob.php

<?php

namespace App\Jobs;

use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;

abstract class BaseJob implements ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

    /**
     * ジョブを再試行する前に待機する秒数を計算
     */
    public function backoff(): int
    {
        return 5;
    }
}