anchor.diff:  RUN npm install && npm cache clear --force
   
   COPY requirements.txt /usr/src/app/
  -RUN pip install --no-cache-dir -r requirements.txt
  +RUN pip install -r requirements.txt
   
   COPY . /usr/src/app
   RUN node_modules/.bin/webpack -p \
  -    && pip install --no-cache-dir -e .
  +    && pip install -e .
   
   ENV WORKSPACE_ROOT /workspace
   RUN mkdir -p $WORKSPACE_ROOT
  
positive.code:     wget -O get-pip.py 'https://bootstrap.pypa.io/get-pip.py'; \
      \
      python2 get-pip.py \
          --disable-pip-version-check \
          --no-cache-dir \
          "pip==$PYTHON_PIP_VERSION" \
      ; \
      pip2 --version; \
  
negative.code:     && which pip2    && pip2 -V \
      && which pip3    && pip3 -V
  
  RUN pip2 install virtualenv
  
  # add our user and group first to make sure their IDs get assigned consistently
  RUN groupadd -r freight && useradd -r -m -g freight freight
  