[ 'type' => 'fingers_crossed', 'action_level' => 'error', 'handler' => 'nested', ], 'nested' => [ 'type' => 'stream', 'path' => '%kernel.logs_dir%/%kernel.environment%.log', 'level' => 'debug', ], ]; $container->addResource(new ClassExistenceResource(Application::class)); if (class_exists(Application::class)) { $handlers['console'] = [ 'type' => 'console', 'process_psr_3_messages' => false, 'channels' => ['!event', '!doctrine'], ]; } $container->loadFromExtension('monolog', [ 'handlers' => $handlers, ]);