anchor.diff:      adduser canvasuser sudo && \
       echo '%sudo ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
   
  -RUN gem install bundler --version 1.14.6
  +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 1.15.2 \
  +  && gem update --system --no-document \
  +  && chown -R canvasuser: $GEM_HOME
  +
  +#RUN gem install bundler --version 1.14.6
   
   COPY assets/dbinit.sh /opt/canvas/dbinit.sh
   COPY assets/start.sh /opt/canvas/start.sh
  
positive.code:        ; do cp config/$config.yml.example config/$config.yml \
         ; done
  
  RUN $GEM_HOME/bin/bundle install --without="mysql"
  
  RUN npm install --unsafe-perm \
      && $GEM_HOME/bin/bundle exec rake canvas:compile_assets_dev \
      && sudo npm install --unsafe-perm -g coffee-script@1.6.2
  
  RUN mkdir -p log tmp/pids public/assets public/stylesheets/compiled \
      && touch Gemmfile.lock
  
negative.code: ARG REVISION=master
  ENV RAILS_ENV development
  ENV GEM_HOME /opt/canvas/.gems
  ENV YARN_VERSION 0.27.5-1
  
  # add nodejs and recommended ruby repos
  RUN apt-get update \
  