FROM ruby:2.2 RUN apt-get update && \ apt-get install -y build-essential zlib1g-dev libsqlite3-dev nodejs nodejs-legacy npm \ libxml2-dev libxslt1-dev pkg-config \ libqt4-webkit libqt4-dev xvfb RUN mkdir -p /app WORKDIR /tmp COPY Gemfile Gemfile COPY Gemfile.lock Gemfile.lock RUN bundle config build.nokogiri --use-system-libraries RUN bundle install ADD . /app WORKDIR /app EXPOSE 3000 CMD ["rails", "server", "-b", "0.0.0.0"]