anchor.diff:  # * https://docs.docker.com/engine/userguide/eng-image/dockerfile_best-practices/
   # * http://docs.projectatomic.io/container-best-practices/#
   
  -FROM drupal:8.2.5-fpm
  +FROM drupal:8.3-fpm
   
   LABEL name="plainlychrist/site-web" \
         version="1.0"
  
positive.code:         supervisor && \
      gem install sass
  
  ############## Nginx 1.11.5
  # - skips installing nginx-module-*
  # - skips remove /var/lib/apt/lists/*
  
  
negative.code: 
  ############# Versions
  
  # NGINX: https://hub.docker.com/_/nginx/ 1.13.5
  # DRUPAL_SECURITY_REVIEW: 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'
  # NPS: https://developers.google.com/speed/pagespeed/module/release_notes
  ENV NGINX_VERSION="1.13.5-1~jessie" \
      DRUSH_MAJOR_VERSION="8" \
      VIDEO_EMBED_FIELD_VERSION="^1.4" \
      SYMFONY_INTL_VERSION="^3.2" \
  