anchor.diff:  RUN cp /root/mongo-hadoop/spark/src/main/python/pymongo_spark.py /root/Agile_Data_Code_2/lib/
   ENV PYTHONPATH=$PYTHONPATH:/root/Agile_Data_Code_2/lib
   
  +# Cleanup mongo-hadoop
  +RUN rm -rf /root/mongo-hadoop
  +
   #
   # Install ElasticSearch in the elasticsearch directory in the root of our project, and the Elasticsearch for Hadoop package
   #
   ADD https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-5.1.1.tar.gz /tmp/elasticsearch-5.1.1.tar.gz
   RUN mkdir /root/elasticsearch && \
       tar -xvzf /tmp/elasticsearch-5.1.1.tar.gz -C elasticsearch --strip-components=1 && \
  -    /root/elasticsearch/bin/elasticsearch && \
  +    /root/elasticsearch/bin/elasticsearch -d && \
       rm -f /tmp/elasticsearch-5.1.1.tar.gz
   
   # Install Elasticsearch for Hadoop
  
positive.code:     rm -f /tmp/kafka_2.11-0.10.1.1.tgz
  
  # Run zookeeper (which kafka depends on), then Kafka
  RUN /root/kafka/bin/zookeeper-server-start.sh /root/kafka/config/zookeeper.properties && \
      /root/kafka/bin/kafka-server-start.sh /root/kafka/config/server.properties
  
  #
  # Install and set up Airflow
  
negative.code: #
  # Install Mongo, Mongo Java driver, and mongo-hadoop and start MongoDB
  #
  RUN echo "deb [ arch=amd64,arm64 ] http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4 multiverse" > /etc/apt/sources.list.d/mongodb-org-3.4.list
  RUN apt-get update && \
      apt-get install -y --allow-unauthenticated mongodb-org && \
      mkdir -p /data/db
  # apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 0C49F3730359A14518585931BC711F9BA15703C6 && \
  RUN /usr/bin/mongod --fork --logpath /var/log/mongodb.log
  
  # Get the MongoDB Java Driver and put it in Agile_Data_Code_2
  ADD http://central.maven.org/maven2/org/mongodb/mongo-java-driver/3.4.0/mongo-java-driver-3.4.0.jar /tmp/mongo-java-driver-3.4.0.jar
  