Stop supporting deprecated versions of Jetty

[joakime]

Please deprecate and remove listed versions of Jetty that are no longer supported.

See: https://www.eclipse.org/jetty/documentation/current/what-jetty-version.html

All versions of 9.3.x and 9.2.x are deprecated and no longer supported. The docker images as well should no longer be updated and even listed on hub.docker.com as supported tags.

[gregw]

@joakime really? While there is no intention to maintain and upgrade those images, preserving them for durable builds is desirable. We don't remove 9.2 and 9.3 from maven central so why should we remove them from official images? Let's research what the policy is for other docker official images.

[joakime]

I'm not saying remove the images from hub.docker.com, i'm saying remove them from the "supported tags" document shown https://hub.docker.com/_/jetty

We still have Jetty 7 ⁽¹⁾ and Jetty 8 ⁽²⁾ images around, but we don't say they are supported.

1. https://hub.docker.com/_/jetty?tab=tags&page=1&ordering=-last_updated&name=7
2. https://hub.docker.com/_/jetty?tab=tags&page=1&ordering=-last_updated&name=8

[gregw]

OK, so we need to create a PR against https://github.com/docker-library/docs/tree/master/jetty I'll do that.

[gregw]

Hmmm that section of the README.md is auto generated. So not sure how we do this short of just removing 9.2 and 9.3

[joakime]

This issue has been moved to the new Official Eclipse Jetty Docker repository.

See https://github.com/eclipse/jetty.docker/issues/15