anchor.diff:    && rm $HOME/installer.sh
   
   # install plugins
  +RUN vim +":silent! call dein#install()" +qall
   RUN nvim +":silent! call dein#install()" +qall
   
   WORKDIR ${HOME}
  
positive.code:   scikit-learn==0.19.1 \
    scikit-image==0.13.1 \
    flake8==3.5.0
  
  # neovim
  RUN apt-get update && apt-get install -y --no-install-recommends \
  
negative.code: ENV HOME /home/dev
  # copyfiles
  ## vim
  COPY init.vim $HOME/.vimrc
  ## neovim
  COPY init.vim $HOME/.config/nvim/init.vim
  COPY dein.toml $HOME/.vim/rc/dein.toml
  COPY dein_lazy.toml $HOME/.vim/rc/dein_lazy.toml
  