anchor.diff:  RUN mkdir -p /whatsopt 
   WORKDIR /whatsopt
   
  -COPY Gemfile Gemfile.lock ./ 
  +COPY Gemfile ./ 
   
  -RUN bundle config without staging production \
  +RUN bundle config without staging,production \
   	&& bundle install --jobs 20 --retry 5
   
   COPY . ./
  
positive.code: #   Ruby support
  #RUN /pd_build/ruby-2.3.*.sh
  #RUN /pd_build/ruby-2.4.*.sh
  # RUN /pd_build/ruby-2.5.*.sh \
  # 	&& bash -lc 'rvm install ruby-2.5.3' \
  # 	&& bash -lc 'rvm --default use ruby-2.5.3'
  #RUN /pd_build/ruby-2.6.*.sh
  #RUN /pd_build/jruby-9.2.*.sh
  #   Python support.
  
negative.code: # sure you lock down to a specific version, not to `latest`!
  # See https://github.com/phusion/passenger-docker/blob/master/Changelog.md for
  # a list of version numbers.
  FROM phusion/passenger-customizable:2.0.1
  # Or, instead of the 'full' variant, use one of these:
  #FROM phusion/passenger-ruby23:<VERSION>
  #FROM phusion/passenger-ruby24:<VERSION>
  