Merge pull request 'Add --volumes to Docker system prune cron job to clean unused volumes' (#1456) from volumes into master

Reviewed-on: https://gitea.obmondo.com/EnableIT/LinuxAid/pulls/1456

Author: Klavs Klavsen

modules/enableit/profile/manifests/virtualization/docker.pp

@@ -210,7 +210,7 @@
 
   profile::cron::job { 'regularly prune docker system':
     enable  => $prune_system,
-    command => "chronic docker system prune --all --force --filter until=$(( ${prune_duration} * 24 ))h",
+    command => "chronic docker system prune --all --force --volumes --filter until=$(( ${prune_duration} * 24 ))h",
     user    => 'root',
     hour    => 2,
     minute  => 5,