Dockerfile

FROM circleci/ruby:2.5.1-node-browsers
RUN set -ex \
  && for key in \
    9554F04D7259F04124DE6B476D5A82AC7E37093B \
    94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
    0034A06D9D9B0064CE8ADF6BF1747F4AD2306D93 \
    FD3A5288F042B6850C66B31F09FE44734EB7990E \
    71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
    DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
    B9AE9905FFD7803F25714661B63B535A4C206CA9 \
    C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
  ; do \
    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
  done

RUN sudo apt-get update -y -q \
  && sudo apt-get install -y -q \
  libxml2-dev \
  libxslt-dev \
  libpq-dev

ENV NODE_VERSION 8.9.2
RUN sudo curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-x64.tar.xz" \
  && sudo curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/SHASUMS256.txt.asc" \
  && sudo gpg --batch --decrypt --output SHASUMS256.txt SHASUMS256.txt.asc \
  && grep " node-v$NODE_VERSION-linux-x64.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
  && sudo tar -xJf "node-v$NODE_VERSION-linux-x64.tar.xz" -C /usr/local --strip-components=1 \
  && sudo rm "node-v$NODE_VERSION-linux-x64.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt

ENV YARN_VERSION 1.6.0
RUN curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version $YARN_VERSION

# Install Chrome
# https://github.com/circleci/circleci-images/blob/c4799c339cd20bef660754d5c723122da9aa485a/shared/images/Dockerfile-browsers.template#L54-L68
RUN curl --silent --show-error --location --fail --retry 3 --output /tmp/google-chrome-stable_current_amd64.deb https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb \
      && (sudo dpkg -i /tmp/google-chrome-stable_current_amd64.deb || sudo apt-get -fy install)  \
      && rm -rf /tmp/google-chrome-stable_current_amd64.deb \
      && sudo sed -i 's|HERE/chrome"|HERE/chrome" --disable-setuid-sandbox --no-sandbox|g' \
           "/opt/google/chrome/google-chrome" \
      && google-chrome --version

RUN export CHROMEDRIVER_RELEASE=$(curl --location --fail --retry 3 http://chromedriver.storage.googleapis.com/LATEST_RELEASE) \
      && curl --silent --show-error --location --fail --retry 3 --output /tmp/chromedriver_linux64.zip "http://chromedriver.storage.googleapis.com/$CHROMEDRIVER_RELEASE/chromedriver_linux64.zip" \
      && cd /tmp \
      && unzip chromedriver_linux64.zip \
      && rm -rf chromedriver_linux64.zip \
      && sudo mv chromedriver /usr/local/bin/chromedriver \
      && sudo chmod +x /usr/local/bin/chromedriver \
      && chromedriver --version

RUN gem update --system
RUN gem install bundler