Dockerfile to install ruby using brightbox deb

Dockerfile

# DOCKER-VERSION 0.4.8

FROM ubuntu:12.04
 
MAINTAINER Deepak Kannan "deepak@codemancers.com"

RUN apt-get -y install python-software-properties
RUN apt-add-repository -y ppa:brightbox/ruby-ng-experimental
RUN apt-get -y update

RUN apt-get -y install ruby2.0 ruby2.0-dev

RUN apt-get -y install python-software-properties
RUN apt-get -y install software-properties-common
RUN add-apt-repository -y ppa:brightbox/ruby-ng-experimental
RUN apt-get -y update