anchor.diff: -FROM instructure/ruby-passenger:2.4
  -#FROM instructure/ruby-passenger:2.4
  +FROM instructure/ruby-passenger:2.4-xenial
   ##FROM instructure/canvas-lms:stable
   
   LABEL maintainer="Ray Pulsipher <ray@cmagic.biz>"
   LABEL description="Canvas LMS by Instructure - Image for Open Prison Education"
   LABEL vendor="openprisoneducation.com"
  -LABEL version="0.8"
  +LABEL version="0.9"
   
   # ope-canvas - Canvas LMS System
   # Build with docker build -t ope-canvas .
  
positive.code: ENV DISABLE_V8_COMPILE_CACHE 1
  USER root
  
  RUN curl -sL https://deb.nodesource.com/setup_8.x | bash - \
    && curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | apt-key add - \
    && echo "deb https://dl.yarnpkg.com/debian/ stable main" > /etc/apt/sources.list.d/yarn.list \
    && printf 'path-exclude /usr/share/doc/*\npath-exclude /usr/share/man/*' > /etc/dpkg/dpkg.cfg.d/01_nodoc \
  
negative.code: 
  RUN if [ -e /var/lib/gems/$RUBY_MAJOR.0/gems/bundler-* ]; then BUNDLER_INSTALL="-i /var/lib/gems/$RUBY_MAJOR.0"; fi \
    && gem uninstall --all --ignore-dependencies --force $BUNDLER_INSTALL bundler \
    && gem install bundler --no-document -v 1.16.1 \
    && find $GEM_HOME ! -user docker | xargs chown docker:docker
  
  # Make sure this runs during build, will also run at at startup later
  