anchor.diff:          libgcc \
           linux-headers \
           make \
  -        python \
     # gpg keys listed at https://github.com/nodejs/node#release-team
     && for key in \
       9554F04D7259F04124DE6B476D5A82AC7E37093B \
  
positive.code: # Expose the default port
  EXPOSE 3000
  
  CMD ["/bin/bash"]
negative.code: # system update
  RUN apk update && \
      apk upgrade && \
      apk add --no-cache bash git wget zip imagemagick python
  
  # install node
  RUN addgroup -g 1000 node \
  