Documentation for index-all-images and hard-link-identical-files settings
@@ -232,3 +232,21 @@ not to do so.
command (i.e. vagga doesn't try to parse command-line itself).
.. versionadded:: 0.7.1
+
+.. opt:: index-all-images
+
+ (default ``false``) When the setting is ``true`` then vagga will hash all
+ the files inside the containers and will create a special signature file.
+
+ .. versionadded:: 0.7.1
+
+.. opt:: hard-link-identical-files
+
+ (default ``false``) This setting is paired with ``index-all-images``.
+ When both settings are ``true`` vagga will search identical files inside
+ other containers and will replace the same files with hard links.
+ This can significantly reduce a disk space occupied by the containers.
+ But be careful when editing a file inside a container, that can affect other
+ containers integrity.
+
+ .. versionadded:: 0.7.2
