anchor.diff:  
   ENV AIRFLOW_VERSION 1.5.1
   ENV AIRFLOW_HOME /usr/local/airflow
  -ENV C_FORCE_ROOT true
   ENV PYTHONLIBPATH /usr/lib/python2.7/dist-packages
  +
  +# Add airflow user
  +RUN useradd -ms /bin/bash -d ${AIRFLOW_HOME} airflow
   
   RUN apt-get update -yqq \
       && apt-get install -yqq --no-install-recommends \
  
positive.code: # VERSION 1.0
  # AUTHOR: Matthieu "Puckel_" Roisil
  # DESCRIPTION: Basic Airflow container
  # BUILD: docker build --rm -t puckel/docker-airflow
  
negative.code:     /usr/share/doc \
      /usr/share/doc-base
  
  ADD script/entrypoint.sh ${AIRFLOW_HOME}/entrypoint.sh
  ADD config/airflow.cfg ${AIRFLOW_HOME}/airflow.cfg
  
  RUN \
      chown -R airflow: ${AIRFLOW_HOME} \
      && chmod +x ${AIRFLOW_HOME}/entrypoint.sh
  
  EXPOSE 8080 5555 8793
  
  USER airflow
  WORKDIR ${AIRFLOW_HOME}
  ENTRYPOINT ["./entrypoint.sh"]
  