Yii Swagger intergration package was updated to version 1.1.0. In this version an ability to configure
config/params.php was added:
//... 'yiisoft/yii-swagger' => [ 'annotation-paths' => [ '@src/Controller' // Directory where annotations are used ], 'cacheTTL' => 60 // Enables caching and sets TTL, "null" value means infinite cache TTL. ] //...