anchor.diff:  
     
   # Make and define working directory.
  -ENV BDE_ROOT_DIR "/bde"
   RUN mkdir -p "$BDE_ROOT_DIR"
   
   # Clone BDE components
  
positive.code: ARG SUPPLIED_TWITTER_ACCOUNTS_FILE="$MOUNT_DIR/twitter.accounts"
  ARG SUPPLIED_CRONTAB_FILE="$MOUNT_DIR/bdetab"
  
  ARG REST_SERVICES_DIR="/rest"
  
  LABEL multi.label1="BDE" \
        multi.label2="Event Detection"
  
negative.code: # Pull base image.
  FROM maven:3-jdk-8
  MAINTAINER George Giannakopoulos (ggianna@iit.demokritos.gr)
  
  ARG DAEMON_DIRECTORY="/daemon"
  ARG MOUNT_DIR="/mnt"
  ARG LOG_DIR="/var/log/bde"
  ARG REST_SERVICES_DIR="/rest"
  ENV BDE_ROOT_DIR "/bde"
  
  ARG CONNECTIONS_CONFIG_FOLDER="$MOUNT_DIR/connections"
  ARG SUPPLIED_NEWS_PROPS_FILE="$MOUNT_DIR/news.properties"
  