anchor.diff:  
   ADD scm-source.json configure_spilo.py launch.sh postgres_backup.sh patroni_wait.sh post_init.sh _zmon_schema.dump callback_role.py basebackup.sh wale_restore_command.sh /
   ADD supervisor.d /etc/supervisor/conf.d/
  -ADD stunnel.d /etc/stunnel
   ADD pgq_ticker.ini $PGHOME
   ADD motd /etc/
   RUN echo "source /etc/motd" >> /root/.bashrc
  
positive.code: # Install PostgreSQL
  ENV PGVERSION=9.6 PGOLDVERSIONS="9.3 9.4 9.5"
  RUN export DEBIAN_FRONTEND=noninteractive \
      && export BUILD_PACKAGES="gcc libc6-dev dpkg-dev make pgxnclient libedit-dev zlib1g-dev libssl-dev libselinux1-dev libkrb5-dev libxslt1-dev libxml2-dev libpam0g-dev libcurl4-openssl-dev libprotobuf-c-dev liblwgeom-dev pkg-config libproj-dev" \
  
      # Add PGDG repositories
      && export DISTRIB_CODENAME=$(sed -n 's/DISTRIB_CODENAME=//p' /etc/lsb-release) \
  
negative.code:     done \
      && dpkg -i *.deb \
  
      && apt-get install -y libprotobuf-c1 libevent-2.0 $BUILD_PACKAGES \
  
      # prepare bg_mon sources
      && export BG_MON_COMMIT=e89fe5d541088a709dce8bd34709fb5e45165cd8 \
      && curl -s -L https://github.com/CyberDem0n/bg_mon/archive/$BG_MON_COMMIT.tar.gz | tar xz \
  
      && export DECODEBUFS_COMMIT=d9415fc78fa255d990ea2371720876bebe34ceb9 \
      && curl -s -L https://github.com/debezium/postgres-decoderbufs/archive/$DECODEBUFS_COMMIT.tar.gz | tar xz \
  