anchor.diff:  ENV CASS_DRIVER_BUILD_CONCURRENCY=${CASS_DRIVER_BUILD_CONCURRENCY}
   ENV CASS_DRIVER_NO_CYTHON=${CASS_DRIVER_NO_CYTHON}
   
  -# By default PIP install is run without cache to make image smaller
  +# By default PIP install run without cache to make image smaller
   ARG PIP_NO_CACHE_DIR="true"
   ENV PIP_NO_CACHE_DIR=${PIP_NO_CACHE_DIR}
   RUN echo "Pip no cache dir: ${PIP_NO_CACHE_DIR}"
  
positive.code: ARG APT_DEPS_IMAGE="airflow-apt-deps"
  ARG PYTHON_BASE_IMAGE="python:3.6-slim"
  ############################################################################################################
  # This is base image with APT dependencies needed by Airflow. It is based on a python slim image
  # Parameters:
  #    PYTHON_BASE_IMAGE - base python image (python:x.y-slim)
  ############################################################################################################
  
negative.code:     && chmod 0440 /etc/sudoers.d/airflow
  
  ############################################################################################################
  # This is the target image - it installs PIP and NPM dependencies including efficient caching
  # mechanisms - it might be used to build the bare airflow build or CI build
  # Parameters:
  #    APT_DEPS_IMAGE - image with APT dependencies. It might either be base deps image with airflow
  