anchor.diff:      build-essential \
       ffmpeg \
       python3-pip
  +    
   # node    
   
   RUN wget -qO- https://deb.nodesource.com/setup_8.x | sudo -E bash -
  
positive.code: # Clara Dockerfile
  # Copyright 2017 (c) Clara
  # Licensed under MIT
  FROM ubuntu:16.04
  
  #overrides for APT cache
  RUN echo "force-unsafe-io" > /etc/dpkg/dpkg.cfg.d/02apt-speedup
  RUN echo "Acquire::http {No-Cache=True;};" > /etc/apt/apt.conf.d/no-cache
  
  # get dependencies
  RUN apt update && \
      apt -y install \
      apt-utils \ 
  
negative.code: 
      
  # now we create a dummy account 
  
  RUN adduser --disabled-password --gecos "" clara && adduser clara sudo && su clara
  WORKDIR /home/clara
  RUN git config --global user.name nyan && git config --global user.email nyan@pa.su
  