owl-admin/config/logging.php

<?php

use Monolog\Handler\NullHandler;
use Monolog\Handler\StreamHandler;
use Monolog\Processor\PsrLogMessageProcessor;

return [
    'default' => env('LOG_CHANNEL', 'stack'),

    'channels' => [
        'stack' => [
            'driver' => 'stack',
            'channels' => ['daily'],
            'ignore_exceptions' => false,
        ],

        'daily' => [
            'driver' => 'daily',
            'path' => storage_path('logs/laravel.log'),
            'level' => env('LOG_LEVEL', 'debug'),
            'days' => 14,
            'tap' => [App\Logging\CustomizeFormatter::class],
        ],

        'slack' => [
            'driver' => 'slack',
            'url' => env('LOG_SLACK_WEBHOOK_URL'),
            'username' => env('LOG_SLACK_USERNAME', 'Laravel Log'),
            'emoji' => env('LOG_SLACK_EMOJI', ':boom:'),
            'level' => env('LOG_LEVEL', 'critical'),
            'replace_placeholders' => true,
        ],

        'stderr' => [
            'driver' => 'monolog',
            'level' => env('LOG_LEVEL', 'debug'),
            'handler' => StreamHandler::class,
            'formatter' => env('LOG_STDERR_FORMATTER'),
            'with' => [
                'stream' => 'php://stderr',
            ],
            'processors' => [PsrLogMessageProcessor::class],
        ],

        'emergency' => [
            'path' => storage_path('logs/laravel.log'),
        ],

        'null' => [
            'driver' => 'monolog',
            'handler' => NullHandler::class,
        ],
    ],
];