anchor.diff: -FROM node:8.4.0
  +FROM node:8-slim
   
   # Install Font
   RUN mkdir /noto
  
positive.code:     udev \
      unzip \
      ttf-freefont \
    && rm -rf /var/lib/apt/lists/* /var/cache/apt/*
  ADD https://noto-website.storage.googleapis.com/pkgs/NotoSansCJKjp-hinted.zip .
  RUN unzip NotoSansCJKjp-hinted.zip \
  
negative.code: RUN rm -rf /noto \
    && apt-get --force-yes remove -y --purge \
      unzip \
      ttf-freefont \
      fontconfig
  
  # Dependencies package
  # https://github.com/GoogleChrome/puppeteer/blob/master/docs/troubleshooting.md
  