FROM rails:4.2 ENV GITHUB_CLIENT_ID "FILL_ME_IN" ENV GITHUB_CLIENT_SECRET "FILL_ME_IN" ENV GITHUB_ORG "FILL_ME_IN" RUN apt-get update \ && apt-get install -y nodejs --no-install-recommends \ && apt-get install -y \ && rm -rf /var/lib/apt/lists/* # throw errors if Gemfile has been modified since Gemfile.lock RUN bundle config --global frozen 1 RUN mkdir -p /srv/app WORKDIR /srv/app COPY Gemfile /srv/app/ COPY Gemfile.lock /srv/app/ RUN bundle install COPY . /srv/app ENV RAILS_ENV "development" EXPOSE 3000 CMD ["rails", "server", "-b", "0.0.0.0"]