anchor.diff:  RUN ln -sf /app/bin/* /usr/local/bin
   ENTRYPOINT ["/usr/local/bin/run"]
   ENV IN_DOCKER=true
  +ENV DJANGO_CONFIGURATION=Prod
   
   # add image metadata
   EXPOSE 3008
  
positive.code: # add remaining sources
  COPY imagetagger /app/src/imagetagger
  
  # confiure runtime environment
  RUN mkdir /app/data /app/static /app/config
  RUN cp /app/src/imagetagger/imagetagger/settings.py.example /app/config/settings.py
  RUN ln -sf /app/config/settings.py /app/src/imagetagger/imagetagger/settings.py
  RUN sed -i 's/env python/env python3/g' /app/src/imagetagger/manage.py
  
  ARG UID_WWW_DATA=5008
  
negative.code: 
  # add requirements file
  WORKDIR /app/src
  COPY imagetagger/requirements.txt /app/src/requirements.txt
  
  # install python dependencies
  RUN pip3 install -r /app/src/requirements.txt
  