anchor.diff:  ENV \
       FLASK_APP="${PROJECT_DIR}/bin/manage.py" \
       LOG_FOLDER="/tmp/shared_service_log" \
  +    PORT="${PORT:-80}" \
       PERSISTENCE_FILE="${PERSISTENCE_FILE:-https://raw.githubusercontent.com/uwcirg/TrueNTH-USA-site-config/master/site_persistence_file.json}"
   RUN mkdir -p ${LOG_FOLDER} ${PROJECT_DIR}/var/portal-instance/
   RUN chown www-data:www-data ${LOG_FOLDER} ${PROJECT_DIR}/var/portal-instance/
  
positive.code: ENV APACHE_SERVER_NAME=${APACHE_SERVER_NAME:-localhost}
  
  RUN a2ensite portal
  
  EXPOSE 80
  
  
  
  
negative.code:     apt-get clean
  
  RUN printf '\n\
  Listen 0.0.0.0:${PORT}\n\
  <VirtualHost *:${PORT}>\n\
    ServerName ${APACHE_SERVER_NAME}\n\
    LogLevel info\n\
    ErrorLog /dev/stderr\n\
  