How to change mode in yii2?

Question

Yii

When installing Yii2, I made the Development mode.
How to switch to Production?
And how to manage these modes?

Answer 1

In web/index.php you need to comment out the lines:

// comment out the following two lines when deployed to production
defined('YII_DEBUG') or define('YII_DEBUG', true);
defined('YII_ENV') or define('YII_ENV', 'dev');

and there will be a prod environment

Answer 2

there is an init file in the root of the project, run from the console, and select the production environment, just check the configs in the environments folder

Answer 3

Simple solution with Yii2 basic deployment, check environment by IP in /web/index.php file

if($_SERVER['REMOTE_ADDR'] == '127.0.0.1') {
    defined('YII_DEBUG') or define('YII_DEBUG', true);
    defined('YII_ENV') or define('YII_ENV', 'dev');
}

In the case of Yii2 advanced, the init file, as Evgeny Bukharev wrote above