anchor.diff:  ENV DEBIAN_FRONTEND noninteractive
   
   RUN apt-get -qq -y update \
  -    && apt-get -q -y upgrade \
  -    && apt-get -q -y install \
  +    && apt-get -qq -y install \
           tesseract-ocr-eng \
           tesseract-ocr-swa \
           tesseract-ocr-swe \
  
positive.code:         poppler-utils poppler-data pst-utils \
      && apt-get -qq -y autoremove \
      && apt-get clean \
      && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
  
  # Set up the locale and make sure the system uses unicode for the file system.
  RUN sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen \
      && dpkg-reconfigure --frontend=noninteractive locales \
      && update-locale LANG=en_US.UTF-8
  ENV LANG='en_US.UTF-8' \
      LC_ALL='en_US.UTF-8' \
      LC_CTYPE='en_US.UTF-8' \
      TZ='UTC' \
      OMP_THREAD_LIMIT='1'
  
  
negative.code: 
  RUN pip3 install --no-cache-dir -q -U pip setuptools six wheel nose coverage
  COPY requirements.txt /tmp/
  RUN pip3 install --no-cache-dir -q -r /tmp/requirements.txt
  
  # Install spaCy and link models to three-letter language codes
  RUN python3 -m spacy download xx_ent_wiki_sm \
  