anchor.diff:      npm install -g yarn
   
   # install noto font
  -RUN apt-get update && apt-get -y install fonts-noto-cjk-extra
  +RUN apt-get update && apt-get -y install fonts-noto-cjk-extra && \
  +    apt-get clean && \
  +    rm -rf /var/lib/apt/lists/*
   
   ## install font map of noto for dvipdfmx
   COPY noto-otc/ /usr/share/texlive/texmf-dist/fonts/map/dvipdfmx/ptex-fontmaps/noto-otc/
  
positive.code:       texlive-lang-japanese texlive-fonts-recommended texlive-latex-extra lmodern fonts-lmodern tex-gyre fonts-texgyre texlive-pictures texlive-plain-generic \
        ghostscript gsfonts zip ruby-zip ruby-nokogiri mecab ruby-mecab mecab-ipadic-utf8 poppler-data cm-super \
        ruby-dev build-essential \
        graphviz gnuplot python-blockdiag python-aafigure && \
      apt-get clean && \
      rm -rf /var/lib/apt/lists/*
  ## if you want to use ipa font instead of noto font, use this settings
  
negative.code: 
  # setup Re:VIEW
  RUN gem install bundler rake --no-rdoc --no-ri && \
      gem install review -v "$REVIEW_VERSION" --no-rdoc --no-ri
  #   gem install review-peg -v "$REVIEW_PEG_VERSION" --no-rdoc --no-ri
  
  # install node.js environment
  RUN apt-get update && \
  