anchor.diff:  RUN locale-gen ${LANGUAGE} \
     && dpkg-reconfigure --frontend noninteractive locales 
   
  -#====================
  -# Firefox Latest ESR
  -#====================
  -RUN apt-get update -qqy \
  -  && apt-get -qy --no-install-recommends install \
  -     $(apt-cache depends firefox | grep Depends | sed "s/.*ends:\ //" | tr '\n' ' ') \
  -  && rm -rf /var/lib/apt/lists/* \
  -  && cd /tmp \
  -  && wget --no-check-certificate -O firefox-esr.tar.bz2 \
  -    'https://download.mozilla.org/?product=firefox-esr-latest&os=linux64&lang=en-US' \
  -  && tar -xjf firefox-esr.tar.bz2 -C /opt/ \
  -  && ln -s /opt/firefox/firefox /usr/bin/firefox \
  -  && rm -f /tmp/firefox-esr.tar.bz2
  +#======================
  +# Install Chromedriver
  +#======================
  +RUN CHROMEDRIVER_VERSION=`curl -sS chromedriver.storage.googleapis.com/LATEST_RELEASE` && \
  +    mkdir -p /opt/chromedriver-$CHROMEDRIVER_VERSION && \
  +    curl -sS -o /tmp/chromedriver_linux64.zip http://chromedriver.storage.googleapis.com/$CHROMEDRIVER_VERSION/chromedriver_linux64.zip && \
  +    unzip -qq /tmp/chromedriver_linux64.zip -d /opt/chromedriver-$CHROMEDRIVER_VERSION && \
  +    rm /tmp/chromedriver_linux64.zip && \
  +    chmod +x /opt/chromedriver-$CHROMEDRIVER_VERSION/chromedriver && \
  +    ln -fs /opt/chromedriver-$CHROMEDRIVER_VERSION/chromedriver /usr/local/bin/chromedriver
   
   #================
   # Install Chrome
  
positive.code: RUN ln -s /usr/local/share/phantomjs-1.9.7-linux-x86_64/bin/phantomjs /usr/local/share/phantomjs
  RUN ln -s /usr/local/share/phantomjs-1.9.7-linux-x86_64/bin/phantomjs /usr/local/bin/phantomjs
  RUN ln -s /usr/local/share/phantomjs-1.9.7-linux-x86_64/bin/phantomjs /usr/bin/phantomjs
  
  #=====================
  # Set up SeleniumBase
  
negative.code:   && apt-get install -y google-chrome-stable \
    && rm -rf /var/lib/apt/lists/*
  
  #==================
  # Configure Chrome
  #==================
  RUN dpkg-divert --add --rename --divert /opt/google/chrome/google-chrome.real /opt/google/chrome/google-chrome && \
      echo "#!/bin/bash\nexec /opt/google/chrome/google-chrome.real --disable-setuid-sandbox \"\$@\"" > /opt/google/chrome/google-chrome && \
      chmod 755 /opt/google/chrome/google-chrome
  
  #=================
  # Install Firefox
  #=================
  RUN apt-get -qy --no-install-recommends install \
       $(apt-cache depends firefox | grep Depends | sed "s/.*ends:\ //" | tr '\n' ' ') \
    && rm -rf /var/lib/apt/lists/* \
    && cd /tmp \
    && wget --no-check-certificate -O firefox-esr.tar.bz2 \
      'https://download.mozilla.org/?product=firefox-esr-latest&os=linux64&lang=en-US' \
    && tar -xjf firefox-esr.tar.bz2 -C /opt/ \
    && ln -s /opt/firefox/firefox /usr/bin/firefox \
    && rm -f /tmp/firefox-esr.tar.bz2
  
  #===================
  # Install PhantomJS
  