anchor.diff:  FROM debian:sid
   LABEL name="chrome-headless"
   LABEL maintainer="Justin Ribeiro <justin@justinribeiro.com>"
  -LABEL version="1.1"
  +LABEL version="1.2"
   LABEL description="Google Chrome Headless in a container"
   
   # Install deps + add Chrome Stable + purge all the things
  
positive.code: 	&& curl -sSL https://dl.google.com/linux/linux_signing_key.pub | apt-key add - \
  	&& echo "deb [arch=amd64] https://dl.google.com/linux/chrome/deb/ stable main" > /etc/apt/sources.list.d/google-chrome.list \
  	&& apt-get update && apt-get install -y \
  	google-chrome-unstable \
  	--no-install-recommends \
  	&& apt-get purge --auto-remove -y curl gnupg \
  	&& rm -rf /var/lib/apt/lists/*
  
  # Add Chrome as a user
  RUN groupadd -r chrome && useradd -r -g chrome -G audio,video chrome \
      && chown -R chrome:chrome /home/chrome
  
  # Run Chrome non-privileged
  USER chrome
  
negative.code: EXPOSE 9222
  
  # Autorun chrome headless with no GPU
  ENTRYPOINT [ "google-chrome-beta" ]
  CMD [ "--headless", "--disable-gpu", "--remote-debugging-address=0.0.0.0", "--remote-debugging-port=9222" ]
  