anchor.diff:  
   RUN echo "en_US.UTF-8 UTF-8" > /etc/locale.gen && \
       locale-gen
  +
  +RUN apt-get update
  +RUN apt-get install -y language-pack-en-base
  +RUN dpkg-reconfigure locales
   
   # Configure environment
   ENV CONDA_DIR /opt/conda
  
positive.code: # Install all OS dependencies for fully functional notebook server
  ENV DEBIAN_FRONTEND noninteractive
  RUN apt-get update && apt-get install -yq --no-install-recommends \
      git nano \
      wget \
      build-essential \
      python-dev \
      ca-certificates \
      bzip2 \
      unzip \
      libsm6 \
      texlive-latex-base \
      texlive-latex-extra \
      texlive-fonts-extra \
      texlive-fonts-recommended \
      texlive-generic-recommended \
      sudo \
      locales \
  
negative.code: 
  WORKDIR /root/work
  
  ENTRYPOINT ["/tini", "--"]
  
  CMD ["/bin/bash"]
  