anchor.diff:  
   # Initial configuration for the 'all' site ...
   
  -COPY filesystem/var/www/html/sites/all/modules/ /var/www/html/sites/all/modules
  -COPY filesystem/var/www/html/sites/all/themes/ /var/www/html/sites/all/themes
  +COPY filesystem/var/www/html/ /var/www/html
   RUN chown -R www-data:www-data /var/www/html/sites/all/modules /var/www/html/sites/all/themes
  +RUN chown www-data:www-data /var/www/html/*
   
   # Compile themes
   
  
positive.code: # Video embedding (https://www.drupal.org/project/video_embed_field)
  # config_installer: Because of bug https://www.drupal.org/node/1613424, we need this custom install profile
  RUN ~/bin/drush dl config_installer
  RUN ~/bin/composer require "drupal/video_embed_field ~${VIDEO_EMBED_FIELD_VERSION}"
  
  # Install symfony/intl: commerceguys/addressing suggests installing symfony/intl (to use it as the source of country data)
  # Install symfony/form: commerceguys/addressing suggests installing symfony/form (to generate Symfony address forms)
  # Install name and address fields
  RUN ~/bin/composer require "symfony/intl ~${SYMFONY_INTL_VERSION}" "symfony/form ~${SYMFONY_FORM_VERSION}" \
      "drupal/name ~${DRUPAL_NAME_VERSION}" "drupal/address ~${DRUPAL_ADDRESS_VERSION}"
  
  # Install Backup and Migrate
  # Install Advanced CSS/JS Aggregation
  # Install security review
  # Install workbench moderation
  RUN ~/bin/composer require \
          "drupal/backup_db ~${DRUPAL_BACKUP_DB_VERSION}" \
          "drupal/advagg ~${DRUPAL_ADVAGG}" && \
      ~/bin/composer require \
          "drupal/security_review ~${DRUPAL_SECURITY_REVIEW_VERSION}" \
          "drupal/workbench_moderation ~${DRUPAL_WORKBENCH_MODERATION_VERSION}"
  
  # Install Bootstrap base theme
  RUN ~/bin/composer require \
          "drupal/bootstrap ~${DRUPAL_BOOTSTRAP_VERSION}"
  
  # Install mysql2sqlite
  RUN curl "https://raw.githubusercontent.com/dumblob/mysql2sqlite/${MYSQL2SQLITE_VERSION}/mysql2sqlite" > ~/bin/mysql2sqlite && \
  
negative.code: # https://hub.docker.com/_/nginx/ 1.11.5
  ENV NGINX_VERSION 1.11.5-1~jessie
  ENV DRUSH_MAJOR_VERSION 8
  ENV VIDEO_EMBED_FIELD_VERSION ^1.4
  ENV SYMFONY_INTL_VERSION ^3.2
  ENV SYMFONY_FORM_VERSION ^3.2
  ENV DRUPAL_WORKBENCH_MODERATION_VERSION ^1.2
  ENV DRUPAL_BACKUP_DB_VERSION ^1.0
  ENV DRUPAL_ADVAGG ^2.0
  ENV DRUPAL_BOOTSTRAP_VERSION ^3.1
  ENV MYSQL2SQLITE_VERSION 1b0b5d610c6090422625a2c58d2c23d2296eab3a
  # This, as of 9/8/2016, is a dev dependency (https://packagist.drupal-composer.org/packages/drupal/security_review#dev-8.x-1.x), which needs 'git clone'
  ENV DRUPAL_SECURITY_REVIEW_VERSION 1.x-dev
  ENV DRUPAL_NAME_VERSION 1.x-dev
  ENV DRUPAL_ADDRESS_VERSION 1.x-dev
  
  # https://developers.google.com/speed/pagespeed/module/release_notes
  ENV NPS_VERSION 1.11.33.4
  