anchor.diff:          poppler-utils poppler-data pst-utils \
       && apt-get -qq -y autoremove \
       && apt-get clean \
  -    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
  +    && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* \
  +    && localedef -i en_US -c -f UTF-8 -A /usr/share/locale/locale.alias en_US.UTF-8
   
   # 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'
   
  
positive.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 -r /tmp/requirements.txt
  
  # Install spaCy and link models to three-letter language codes
  RUN python3 -m spacy download xx_ent_wiki_sm \
  
negative.code: ENV DEBIAN_FRONTEND noninteractive
  
  RUN apt-get -qq -y update \
      && apt-get -qq -y install \
          tesseract-ocr-eng \
          tesseract-ocr-swa \
          tesseract-ocr-swe \
  