FROM ruby:2.2 RUN apt-get update && apt-get install -y build-essential zlib1g-dev libsqlite3-dev nodejs nodejs-legacy RUN mkdir -p /app WORKDIR /tmp RUN wget https://bitbucket.org/ariya/phantomjs/downloads/phantomjs-2.1.1-linux-x86_64.tar.bz2 RUN tar xvvjf phantomjs-2.1.1-linux-x86_64.tar.bz2 RUN ln -sf /tmp/phantomjs-2.1.1-linux-x86_64/bin/phantomjs /usr/local/bin/ COPY Gemfile Gemfile COPY Gemfile.lock Gemfile.lock RUN bundle install ADD . /app WORKDIR /app EXPOSE 3000 CMD ["rails", "server", "-b", "0.0.0.0"]