gistfile1.txt

FROM ubuntu:12.04

RUN apt-get update
RUN apt-get install -y --force-yes build-essential curl git
RUN apt-get install -y --force-yes zlib1g-dev libssl-dev libreadline-dev libyaml-dev libxml2-dev libxslt-dev
 
ADD http://cache.ruby-lang.org/pub/ruby/2.1/ruby-2.1.0.tar.gz /tmp/ruby-2.1.0.tar.gz
 
RUN cd /tmp;						                                    \
    tar xzf ruby-2.1.0.tar.gz;														 	\
    cd ruby-2.1.0;                                          \
    ./configure --disable-install-rdoc;                     \
    make;                                                   \
    make install;																		        \
    gem install bundler foreman
 
RUN rm -rf /tmp/ruby-2.1.0*
 
RUN echo 'gem: --no-rdoc --no-ri' >> /root/.gemrc