Update docker hub image with latest tomcat version

[LordFlashmeow]

The tomcat:8.5-jdk8 base image has been updated since the last ipt image was published to docker hub. There is a (minor) security vulnerability in tomcat 8.5.57, which is the version in the ipt image.

The latest version is 8.5.61, and it would be very much appreciated if you could publish a docker image with the latest tomcat base.

[MattBlissett]

Thanks for the alert, I've published an updated image. Do you know a way to get notified when Tomcat update their images?

(We aren't using Docker images like this in production at GBIF.)

[LordFlashmeow]

There used to be a setting in docker hub automated builds where you could link to another image, and updates to it would trigger a rebuild. Unfortunately, it looks like it was removed (https://github.com/docker/hub-feedback/issues/1717).