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: ENV HOME /home/dev
  # copyfiles
  ## vim
  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
  
negative.code:   scikit-learn==0.19.1 \
    scikit-image==0.13.1 \
    flake8==3.5.0
  
  # vim
  RUN apt-get update && apt-get install -y --no-install-recommends \
      build-essential \
      libc-dev \
      lua5.2 \
      lua5.2-dev \
      luajit \
      ctags \
      gcc \
      global \
      ncurses-dev \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/* \
    && cd /opt/ \
    && git clone --depth=1 -b v8.0.1365 https://github.com/vim/vim vim \
    && cd ./vim \
    && ./configure \
      --with-features=huge \
      --enable-multibyte \
      --enable-luainterp=dynamic \
      --enable-gpm \
      --enable-cscope \
      --enable-fontset \
      --enable-fail-if-missing \
      --prefix=/usr/local \
    && make && make install \
    && vim --version
  
  # neovim
  RUN apt-get update && apt-get install -y --no-install-recommends \
  