Magento 2 CLI Command : remove images of deleted product in the /media/catalog/product folder

based on EAV Cleaner Console Command from FireGento e. V. - Hackathons

Purpose of this module

• scan the media/catalog/product folder including /cache
• find all images used by products in the db :
  catalog_product_entity_media_gallery_value_to_entity table gives value_id of images.
  catalog_product_entity_media_gallery table gives value (real path)
• delete all files in the media/catalog/product folder NOT USED by any products.
• delete related records in database.

Copy all files in /path/to/magento/app/code/Cap/CleanMedia
Run commands :
php/bin magento module:enable Cap_CleanMedia
php/bin magento setup:upgrade

php bin/magento cap:clean:media --help
php bin/magento cap:clean:media
php bin/magento cap:clean:media --dry-run
php bin/magento cap:clean:media --no-cache
php bin/magento cap:clean:media --dry-run --no-cache