anchor.diff: -FROM ubuntu:latest
  -MAINTAINER Carlo de Franchis <carlodef@gmail.com>
  +FROM ubuntu:20.04
  +
  +LABEL maintainer="Carlo de Franchis <carlodef@gmail.com>"
  +
   # https://goo.gl/aypXVx
   ARG DEBIAN_FRONTEND=noninteractive
  -RUN apt-get update && apt-get install -y \
  +# https://github.com/mapbox/rasterio#ssl-certs
  +ENV CURL_CA_BUNDLE=/etc/ssl/certs/ca-certificates.crt
  +
  +RUN apt-get update && apt-get install -y --no-install-recommends \
       build-essential \
       curl \
       cmake \
  
positive.code: COPY lib/ lib/
  
  # Install s2p
  RUN pip install -e .
  
  # https://github.com/mapbox/rasterio#ssl-certs
  ENV CURL_CA_BUNDLE=/etc/ssl/certs/ca-certificates.crt
  
negative.code:     libgdal-dev \
      libgeotiff-dev \
      libtiff5-dev \
      python3-dev \
      python3-pip && \
      rm -fr /var/lib/apt/lists/*
  
  # Copy files needed to install s2p
  WORKDIR /root
  