anchor.diff:      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
  +RUN pip3 install certbot certbot-dns-cloudflare
   
   COPY rootfs/ /
   
  
positive.code: # Update packages
  ENV DEBIAN_FRONTEND noninteractive
  RUN apt-get update && \
      apt-get -y install curl jq python2.7 build-essential python-dev && \
      apt-get clean && \
      rm -rf /var/lib/apt/lists/* /var/cache/apt
  
  
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"
  