FROM ruby:2.3.1 RUN apt-get update -qq && apt-get install -y build-essential libpq-dev cmake RUN curl -L https://bitbucket.org/ariya/phantomjs/downloads/phantomjs-2.1.1-linux-x86_64.tar.bz2 | tar xjvf - ENV PATH=/phantomjs-2.1.1-linux-x86_64/bin:$PATH RUN mkdir /test RUN mkdir /test/features WORKDIR /test # ADD features /test/features ADD Gemfile /test/Gemfile ADD Gemfile.lock /test/Gemfile.lock RUN bundle install -j 8 CMD ["cucumber", "features/login.feature"]