anchor.diff: -FROM debian:latest
  +FROM debian:buster
   LABEL maintainer pierre@senellart.com
   
   # needed to build provsql the tools + libc6-i386 for running c2d
  
positive.code:                libc6-i386 unzip mercurial libgmp-dev libboost-dev
  
  # Specify which version we are building against
  ARG PSQL_VERSION=9.6
  ENV PSQL_VERSION=$PSQL_VERSION
  
  RUN apt-get update &&\
      apt-get -y install zlib1g-dev postgresql-${PSQL_VERSION} postgresql-server-dev-${PSQL_VERSION} postgresql-contrib-${PSQL_VERSION}
  
  # Ensure a sane environment
  ENV LANG=C.UTF-8 LC_ALL=C.UTF-8 DEBIAN_FRONTEND=noninteractive
  
negative.code: 
  ##############################   GETTING  PROVSQL  ##############################   
  
  # Provsql will be built & run as user postgres
  RUN chown -R postgres:postgres .
  USER postgres
  
  # Building
  RUN cd $GITHUB_WORKSPACE; make
  
  # install provsql
  USER root
  