docker-cli/docs/reference/commandline/builder_prune.md

builder prune

Remove build cache

Options

Name	Type	Default	Description
-a, --all	bool		Remove all unused build cache, not just dangling ones
--filter	filter	{}	Provide filter values (e.g. until=24h)
-f, --force	bool		Do not prompt for confirmation
--keep-storage	bytes	0	Amount of disk space to keep for cache