By running:
./scripts/update-component-sha.sh --image linuxkit/alpine ad35b6ddbc70faa07e59a9d7dee7707c08122e8d
Signed-off-by: Ian Campbell <ijc@docker.com>
This adds a helper which monitors the Docker event stream and, when it
receives an image delete event, queues a call to `fstrim /var/lib/docker`
to trigger a space reclamation. Previously we would rely on a cron job
running every 15 minutes.
Signed-off-by: David Scott <dave.scott@docker.com>
