@AdamCameron This is the default behaviour. By default Docker is UTC and Lucee is set to UTC. If you set an ENV with the name TZ and the value as the timezone you want, it will set the timezone for the container to that and then Lucee will be that.
Without setting the TZ:
Setting the TZ environment var to Pacific/Auckland:
Maybe the issue is you already set it and the admin interface doesn’t have any way to “unset” it. In that case you will need the edit the lucee-server.xml and set the region to not have a timezone:
<regional timeserver="pool.ntp.org" />