anchor.diff:  # http-server
   RUN npm install -g http-server
   
  -# npm
  +# typescript
   RUN npm install -g typescript
  -
  -# Docker
  -#RUN curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
  -#RUN add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
  -#RUN apt-get update
  -#RUN apt-get -y install docker-ce
   
   # sudo
   RUN apt-get -y install sudo
  
positive.code: COPY entrypoint.sh /entrypoint.sh
  RUN ["chmod", "+x", "/entrypoint.sh"]
  
  # Jenkins user
  #RUN useradd -ms /bin/bash jenkins &&\
  #    echo "jenkins:jenkins" | chpasswd
  #RUN usermod -aG docker jenkins
  #ENV WORKSPACE /home/jenkins
  #USER jenkins
  #WORKDIR ${WORKSPACE}
  
  ENTRYPOINT ["/entrypoint.sh"]
  
negative.code: 
  # Install Node
  RUN apt-get update && apt-get install -y curl
  RUN curl -sL https://deb.nodesource.com/setup_8.x | bash - && apt-get install -y nodejs
  
  # Java
  RUN apt-get install -y default-jdk
  