firefly-iii/app/Providers/LogServiceProvider.php

<?php
/**
 * LogServiceProvider.php
 * Copyright (c) 2017 thegrumpydictator@gmail.com
 *
 * This file is part of Firefly III.
 *
 * Firefly III is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Firefly III is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Firefly III.  If not, see <http://www.gnu.org/licenses/>.
 */

declare(strict_types=1);

namespace FireflyIII\Providers;

use Illuminate\Log\LogServiceProvider as LaravelLogServiceProvider;
use Illuminate\Log\Writer;

/**
 * Class LogServiceProvider
 *
 * @package FireflyIII\Providers
 */
class LogServiceProvider extends LaravelLogServiceProvider
{
    /**
     * Configure the Monolog handlers for the application.
     *
     * @param  \Illuminate\Log\Writer $log
     *
     * @return void
     */
    protected function configureDailyHandler(Writer $log)
    {
        $log->useDailyFiles(
            $this->app->storagePath() . '/logs/firefly-iii.log', $this->maxFiles(),
            $this->logLevel()
        );
    }

    /**
     * Configure the Monolog handlers for the application.
     *
     * @param  \Illuminate\Log\Writer $log
     *
     * @return void
     */
    protected function configureSingleHandler(Writer $log)
    {
        $log->useFiles(
            $this->app->storagePath() . '/logs/firefly-iii.log',
            $this->logLevel()
        );
    }
}