Build image for applications using JRuby and yarn/NodeJS, e.g. Rails with webpacker.
Currently, the supported versions are:
- JRuby 9.1.17
- NodeJS 8.9.3
- Yarn 1.3.2
The JRuby version determines the version of the Docker image.
Basic example Dockerfile for a Rails-App using webpacker and JRuby in app/Dockerfile.