가. clear 종류

1. Configuration Cache $ php artisan config:clear $ php artisan config:cache
2. Route Caching $ php artisan route:clear $ php artisan route:cache
3. Views Caching $ php artisan view:clear $ php artisan view:cache
4. Events Cache $ php artisan event:clear $ php artisan event:cache
5. Application Cache $ php artisan cache:clear
6. Clearing All Cache $ php artisan optimize:clear

php artisan config:clear
    php artisan cache:clear1. Configuration Cache
    $ php artisan config:clear
    $ php artisan config:cache

    2. Route Caching
    $ php artisan route:clear
    $ php artisan route:cache

    3. Views Caching
    $ php artisan view:clear
    $ php artisan view:cache

    4. Events Cache
    $ php artisan event:clear
    $ php artisan event:cache

    5. Application Cache
    $ php artisan cache:clear

    6. Clearing All Cache
    $ php artisan optimize:clear

php artisan config:clear
    php artisan cache:clear

php artisan config:clear
    php artisan cache:clear

개념

https://dev.to/kasenda/use-repository-pattern-with-laravel-e8h

//app/Providers/AppServiceProvider.php
    public function register()
    {
        //daekyu.park debug..
        if ($this->app->environment() !== 'production') {
            \\Event::listen('Illuminate\\Database\\Events\\QueryExecuted', function ($query) {
                \\Log::channel('sql')->info([
                    'sql' => $query->sql,
                    'bindings' => $query->bindings,
                    'time' => $query->time,
                ]);
            });
        }
    }
//config/logging.php
        //daekyu.park debug..
        'sql' => [
            'driver' => 'daily',
            'path' => storage_path('logs/sql.log'),
            'level' => 'debug',
            'days' => 14,
        ],