anchor.diff:  
   ENV CGO_ENABLED=0
   
  +# Python
  +
  +RUN apt-get update && apt-get install -y python3.7-dev python3-distutils && apt-get clean
  +
  +RUN rm -fr /usr/bin/python3 && ln /usr/bin/python3.7 /usr/bin/python3
  +RUN ln /usr/bin/python3.7 /usr/bin/python
  +
  +# Pip
  +
  +RUN curl --silent https://bootstrap.pypa.io/get-pip.py | python
  +
   # Set up ubuntu user
   
   RUN groupadd --gid 1000 ubuntu \
  
positive.code: ENV LC_ALL C.UTF-8
  ENV LANG C.UTF-8
  
  RUN apt-get update && apt-get install -y gpg curl wget unzip xz-utils git openssh-client && apt-get clean -y
  
  ## Node.js
  
  # START copy Node.js from https://github.com/nodejs/docker-node/blob/master/10/jessie/Dockerfile
  
  ENV NODE_VERSION 10.15.0
  
  RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
    && case "${dpkgArch##*-}" in \
  
negative.code:   && curl -fsSLO --compressed "https://nodejs.org/dist/v$NODE_VERSION/SHASUMS256.txt.asc" \
    && gpg --batch --decrypt --output SHASUMS256.txt SHASUMS256.txt.asc \
    && grep " node-v$NODE_VERSION-linux-$ARCH.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
    && bsdtar -xJf "node-v$NODE_VERSION-linux-$ARCH.tar.xz" -C /usr/local --strip-components=1 --no-same-owner \
    && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
    && ln -s /usr/local/bin/node /usr/local/bin/nodejs
  
  