Dockerfile for rbenv and ruby-build to manage rubies.

Dockerfile

from ubuntu
maintainer John Bellone <john.bellone.jr@gmail.com>

# install essentials
run apt-get -y update
run apt-get -y install build-essential git-core

# install rbenv
run git clone https://github.com/sstephenson/rbenv /usr/local/rbenv
run mkdir -p /usr/local/rbenv/plugins
run echo 'export RBENV_ROOT=/usr/local/rbenv' > /etc/profile.d/rbenv.sh
run echo 'export PATH=$RBENV_ROOT/bin:$PATH' >> /etc/profile.d/rbenv.sh
run echo 'eval "$(rbenv init -)"'

# install plugins
run git clone https://github.com/sstephenson/ruby-build /usr/local/rbenv/plugins/ruby-build
run git clone https://github.com/sstephenson/rbenv-vars /usr/local/rbenv/plugins/rbenv-vars
run git clone https://github.com/jf/rbenv-gemset /usr/local/rbenv/plugins/rbenv-gemset