Dockerfile to compile Ruby 2.1.0 from source

Dockerfile

FROM stackbrew/ubuntu:saucy
MAINTAINER Dr Nic Williams

# reduce output from debconf
ENV DEBIAN_FRONTEND noninteractive

# 'apt-get update' always return 0. we should check actually updated.
RUN apt-get update | tee /tmp/apt-update_output
RUN ! (grep '^Err' /tmp/apt-update_output) 

RUN apt-get -y dist-upgrade
RUN apt-get -y install build-essential libssl-dev libyaml-dev libtool libxslt-dev libxml2-dev libpq-dev

RUN apt-get -y install wget curl

RUN mkdir /tmp/ruby                                                         ;\
    cd /tmp/ruby                                                            ;\
    curl http://cache.ruby-lang.org/pub/ruby/2.1/ruby-2.1.0.tar.gz | tar xz ;\
    cd ruby-2.1.0                                                           ;\
    chmod +x configure                                                      ;\
    ./configure --disable-install-rdoc                                      ;\
    make                                                                    ;\
    make install                                                            ;\
    gem install bundler --no-ri --no-rdoc