anchor.diff:  RUN chmod +x /usr/sbin/sshd
   
   EXPOSE 22
  -VOLUME /var/lib/docker
  +#VOLUME /var/lib/docker
   CMD ["/usr/sbin/sshd", "-D"]
  
positive.code:   sed -i 's/# \(.*multiverse$\)/\1/g' /etc/apt/sources.list && \
    apt-get update && \
    apt-get -y upgrade && \
    apt-get install -y vim wget curl git maven wget software-properties-common
  
  # Jenkins user
  RUN useradd -m -s /bin/bash jenkins && \
  
negative.code: FROM debian:jessie
  
  # update packages and install maven
  RUN  \
  