Java19

[oeresundsgruppen]

Hi, how about java19 upgrade ?

[wglambert]

See #258 (comment) and #275 (comment)

we do not plan on basing the tomcat images on any non-LTS version of the JDk.
https://www.oracle.com/java/technologies/java-se-support-roadmap.html

[oeresundsgruppen]

you dont have to make more images, just add multiple versions to each and support parsing in variable to set version...

[tianon]

Is passing in a variable really much different from making the slight modification to the Dockerfile yourself? (another approach could be to use --build-context on docker buildx build to swap the base image we're using out for a different one during build)

Unfortunately, doing more here is not something we're willing to maintain.