anchor.diff:      && update-locale LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8 \
       && useradd -ms /bin/bash -d ${AIRFLOW_HOME} airflow \
       && python -m pip install -U pip \
  +    && pip install setuptools \
       && pip install Cython \
       && pip install pytz \
       && pip install pyOpenSSL \
  
positive.code:     && pip install pyasn1 \
      && pip install psycopg2 \
      && pip install docker-py>=1.6.0 \
      && pip install ast \
      && pip install apache-airflow[crypto,celery,postgres,hive,hdfs,jdbc]==$AIRFLOW_VERSION \
      && apt-get remove --purge -yqq $buildDeps \
      && apt-get clean \
      && rm -rf \
  
negative.code: # VERSION 1.8.1
  # DESCRIPTION: Docker image to run Airflow on Kubernetes which is capable of creating Kubernetes jobs
  
  FROM ubuntu:16.04
  
  # Never prompts the user for choices on installation/configuration of packages
  ENV DEBIAN_FRONTEND noninteractive
  