anchor.diff:  # Timezone
   RUN echo Asia/Shanghai > /etc/timezone \
    && ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
  +RUN apt install -y tzdata
   
   # SSH
   RUN sed 's/#ClientAliveInterval 0/ClientAliveInterval 60/' -i /etc/ssh/sshd_config \
  
positive.code: #RUN /pd_build/nodejs.sh
  
  # Ruby
  RUN /usr/local/rvm/bin/rvm remove ruby-2.3
  RUN /pd_build/ruby-2.4.*.sh
  RUN gem update --system
  RUN gem install bundler
  
  
negative.code: FROM phusion/passenger-customizable:0.9.35
  MAINTAINER sunteya <sunteya@gmail.com>
  
  RUN apt update # 20180802
  RUN /pd_build/utilities.sh
  #RUN apt-get upgrade -y -o Dpkg::Options::="--force-confold"
  
  