anchor.diff:      make install
   
   EXPOSE 8000
  -ENTRYPOINT ["python3", "manage.py"]
  +ENTRYPOINT ["python", "manage.py"]
   CMD ["runserver", "0.0.0.0:8000"]
  
positive.code: COPY . /usr/local/src/xblock-sdk
  WORKDIR /usr/local/src/xblock-sdk
  
  RUN ln -s /usr/bin/python3.8 /usr/bin/python && \
      /usr/bin/python3 -m pip install --upgrade pip && \
      pip install -r /usr/local/src/xblock-sdk/requirements/dev.txt
  
  RUN curl -sL https://deb.nodesource.com/setup_14.x -o /tmp/nodejs-setup && \
      /bin/bash /tmp/nodejs-setup && \
  
negative.code:     zlib1g-dev \
      python3 \
      python3-dev \
      python3-venv \
      python3-pip && \
      pip3 install --upgrade pip setuptools && \
      rm -rf /var/lib/apt/lists/*
  