anchor.diff:  # -----------------------------------------------------------------------------
   # This stage builds the build container.
   # -----------------------------------------------------------------------------
  -
  -WORKDIR /src/ims
   
   # Install compiler toolchain and libraries.
   RUN apk add build-base libffi-dev
  
positive.code: COPY ./src/           ./src/
  
  # Install the application
  RUN virtualenv /srv/ims
  RUN /srv/ims/bin/pip install /src/ims
  RUN rm -rf /src
  
  
  # -----------------------------------------------------------------------------
  
negative.code: RUN pip install --upgrade pip virtualenv
  
  # Copy the source code over
  WORKDIR /src/ims
  
  COPY ./COPYRIGHT.rst  ./
  COPY ./LICENSE.txt    ./
  COPY ./pyproject.toml ./
  