Drupal 8 Configuration : Get, Set, Override and Exclude

Get, Set and Delete configuration value by drush

Get (drush config-get)

drush cget CONFIG_NAME CONFIG_KEY

Examples:

drush cget system.site

drush cget system.site page.front

Set (drush config-set)

drush cset CONFIG_NAME CONFIG_KEY CONFIG_VALUE

Example:

drush config-set system.site page.front node

Delete (drush config-delete)

drush cdel CONFIG_NAME

Example

drush cget mymodule.test

Export config to files (drush config-export)

drush cex -y

Import Config from files (drush config-import)

drush cim -y

Configuration override from Settings.php

You can override configuration from settings.php files.

Examples :

- Disable CSS/JS compress on local / development envirenement.

$config['system.performance']['css']['preprocess'] = 0;

$config['system.performance']['js']['preprocess'] = 0;

Exclude a module (Drupal > 8.8)

For example, to exclude devel and stage_file_proxy, add this to settings.php

$settings['config_exclude_modules'] = ['devel', 'stage_file_proxy'];

Configuration Split

Also see the contrim module Configuration Split for more options

https://www.drupal.org/project/config_split

Link : https://www.drupal.org/docs/8/api/configuration-api/configuration-override-system