anchor.diff:    BUNDLE_WITHOUT=development:test
   
   RUN source /opt/echo-api/etc/scl_enable \
  -  && bundle install --deployment 
  +  && bundle install --deployment
   
   EXPOSE 9292
   
  
positive.code: FROM centos:7 
  LABEL authors="Oriol Martí <oriol@3scale.net>,Daniel Cesario <dcesario@redhat.com>"
  
  ENV RUBY_VERSION="rh-ruby23"
  
negative.code:   && yum install -y centos-release-scl \
    && yum install -y \
      gcc \
      patch \
      make \
      openssl-devel \
      ${RUBY_VERSION} \
      ${RUBY_VERSION}-ruby-devel \
  