anchor.diff:  LABEL       project=avalon
   RUN         apt-get install -y --no-install-recommends --allow-unauthenticated \
               build-essential \
  -            #gcc-7 \
  +            # ffmpeg \ 
               cmake
   
   COPY        --from=bundle-dev /usr/local/bundle /usr/local/bundle
  
positive.code: FROM        ruby:2.5-buster as bundle
  LABEL       stage=build
  LABEL       project=avalon
  #RUN     echo "deb http://deb.debian.org/debian buster-backports main" >> /etc/apt/sources.list && \
  #dpkg --get-selections | grep hold && \
  RUN        apt-get update && apt-get upgrade -y build-essential && apt-get autoremove \
           && apt-get install -y --no-install-recommends --fix-missing \
              cmake \
              pkg-config \
  
negative.code: RUN         curl https://chromedriver.storage.googleapis.com/2.46/chromedriver_linux64.zip -o /usr/local/bin/chromedriver \
           && chmod +x /usr/local/bin/chromedriver
  RUN         curl https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb -o /chrome.deb
  # RUN      apt-get update && apt-get install -y ffmpeg
  #RUN         mkdir -p /tmp/ffmpeg && cd /tmp/ffmpeg \
  #         && curl https://johnvansickle.com/ffmpeg/releases/ffmpeg-release-amd64-static.tar.xz | tar xJ \
  #         && cp `find . -type f -executable` /usr/bin/
  