A docker image containing ruby and packer

This repository is based on the Hashicorp Packer Docker image repository. The Dockerfile is modified to source from the Docker "Official" image for ruby.

• Ruby: 2.5.1
• Packer: 1.2.3

Copyright 2018 Steven A Burns Jr

Portions of Dockerfile are attributed to https://github.com/hashicorp/docker-hub-images/blob/master/LICENSE