anchor.diff:  # Update packages
   ENV DEBIAN_FRONTEND noninteractive
   RUN apt-get update && \
  -    apt-get -y install curl jq python2.7 build-essential python-dev && \
  +    apt-get -y install curl jq python3 python3-pip && \
       apt-get clean && \
       rm -rf /var/lib/apt/lists/* /var/cache/apt
   
  
positive.code:     chmod +x /usr/local/bin/kubectl
  
  # Install certbot to get/rotate certificates, add certbot-dns-cloudflare for registration
  RUN curl ${CURL_OPTS} -O https://bootstrap.pypa.io/get-pip.py && \
      python2.7 get-pip.py && \
      pip install certbot certbot-dns-cloudflare
  
  COPY rootfs/ /
  
  
negative.code: ARG TELEPORT_VERSION
  FROM quay.io/gravitational/debian-grande:buster
  
  ARG KUBECTL_VERSION="v1.12.5"
  ARG CURL_OPTS="-L --retry 100 --retry-delay 0 --connect-timeout 10 --max-time 300"
  