Sean Thanks for the pointers. Janino specifically says it only requires a JRE - https://janino-compiler.github.io/janino/#requirements As for scalac can't find a specific reference anywhere, appears to be self-contained AFAICT Rob On 17/04/2019, 18:56, "Sean Owen" <sro...@gmail.com> wrote: I confess I don't know, but I don't think scalac or janino need javac and related tools, and those are the only things that come to mind. If the tests pass without a JDK, that's good evidence. On Wed, Apr 17, 2019 at 8:49 AM Rob Vesse <rve...@dotnetrdf.org> wrote: > > Folks > > > > For those using the Kubernetes support and building custom images are you using a JDK or a JRE in the container images? > > > > Using a JRE saves a reasonable chunk of image size (about 50MB with our preferred Linux distro) but I didn’t want to make this change if there was a reason to have a JDK available. Certainly the official project integration tests run just fine with a JRE based image > > > > Currently the projects official Docker files use openjdk:8-alpine as a base which includes a full JDK so didn’t know if that was intentional or just convenience? > > > > Thanks, > > > > Rob --------------------------------------------------------------------- To unsubscribe e-mail: dev-unsubscr...@spark.apache.org
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