anchor.diff:  
   # Multistage build to reduce image size - https://docs.docker.com/engine/userguide/eng-image/multistage-build/#use-multi-stage-builds
   # Only the content below ends up in the image, this helps remove /src from the image (which is large)
  -FROM debian:buster-slim as runstage
  +FROM debian:stretch-slim as runstage
   RUN mkdir -p /src  && mkdir -p /opt
   RUN apt-get update && \
  -apt-get install -y --no-install-recommends libboost-program-options1.67.0 libboost-regex1.67.0 \
  -libboost-date-time1.67.0 libboost-chrono1.67.0 libboost-filesystem1.67.0 \
  -libboost-iostreams1.67.0 libboost-thread1.67.0 expat liblua5.2-0 libtbb2 &&\
  -rm -rf /var/lib/apt/lists/*
  +    apt-get install -y --no-install-recommends libboost-program-options1.62.0 libboost-regex1.62.0 \
  +        libboost-date-time1.62.0 libboost-chrono1.62.0 libboost-filesystem1.62.0 \
  +        libboost-iostreams1.62.0 libboost-thread1.62.0 expat liblua5.2-0 libtbb2 &&\
  +    rm -rf /var/lib/apt/lists/*
   COPY --from=builder /usr/local /usr/local
   COPY --from=builder /opt /opt
  +RUN /usr/local/bin/osrm-extract --help && \
  +    /usr/local/bin/osrm-routed --help && \
  +    /usr/local/bin/osrm-contract --help && \
  +    /usr/local/bin/osrm-partition --help && \
  +    /usr/local/bin/osrm-customize --help
   WORKDIR /opt
   
   EXPOSE 5000
  
positive.code: 
  RUN NPROC=$(grep -c ^processor /proc/cpuinfo 2>/dev/null || 1) && \
      apt-get update && \
      apt-get -y --no-install-recommends install cmake make git gcc g++ libbz2-dev libstxxl-dev libstxxl1v5 libxml2-dev \
      libzip-dev libboost1.67-all-dev lua5.2 liblua5.2-dev libtbb-dev -o APT::Install-Suggests=0 -o APT::Install-Recommends=0 && \
      NPROC=$(grep -c ^processor /proc/cpuinfo 2>/dev/null || 1) && \
      echo "Building OSRM ${DOCKER_TAG}" && \
      git show --format="%H" | head -n1 > /opt/OSRM_GITSHA && \
      echo "Building OSRM gitsha $(cat /opt/OSRM_GITSHA)" && \
  
negative.code: FROM debian:stretch-slim as builder
  ARG DOCKER_TAG
  RUN mkdir -p /src  && mkdir -p /opt
  COPY . /src
  