logging.php

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

    'channels' => [
        'stack' => [
            'driver' => 'stack',
            'channels' => ['rollbar'],
        ],
        'rollbar' => [
            'driver' => 'monolog',
            'handler' => Rollbar\Monolog\Handler\RollbarHandler::class,
            'access_token' => env('ROLLBAR_TOKEN'),
            'level' => 'debug',
        ],
    ],
];