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FROM ubuntu:22.04 as builder 
MAINTAINER Kevin Kreiser <kevinkreiser@gmail.com>

ARG CONCURRENCY

# set paths
ENV PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$PATH
ENV LD_LIBRARY_PATH /usr/local/lib:/lib/x86_64-linux-gnu:/usr/lib/x86_64-linux-gnu:/lib32:/usr/lib32

# install deps
WORKDIR /usr/local/src/valhalla
COPY ./scripts/install-linux-deps.sh /usr/local/src/valhalla/scripts/install-linux-deps.sh
RUN bash /usr/local/src/valhalla/scripts/install-linux-deps.sh
RUN rm -rf /var/lib/apt/lists/*

# get the code into the right place and prepare to build it
ADD . .
RUN ls -la
RUN git submodule sync && git submodule update --init --recursive
RUN rm -rf build && mkdir build

# upgrade Conan again, to avoid using an outdated version:
# https://github.com/valhalla/valhalla/issues/3685#issuecomment-1198604174
RUN pip install --upgrade "conan<2.0.0"

# configure the build with symbols turned on so that crashes can be triaged
WORKDIR /usr/local/src/valhalla/build
RUN cmake .. -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_C_COMPILER=gcc
RUN make all -j${CONCURRENCY:-$(nproc)}
RUN make install

# we wont leave the source around but we'll drop the commit hash we'll also keep the locales
WORKDIR /usr/local/src
RUN cd valhalla && echo "https://github.com/valhalla/valhalla/tree/$(git rev-parse HEAD)" > ../valhalla_version
RUN for f in valhalla/locales/*.json; do cat ${f} | python3 -c 'import sys; import json; print(json.load(sys.stdin)["posix_locale"])'; done > valhalla_locales
RUN rm -rf valhalla

# the binaries are huge with all the symbols so we strip them but keep the debug there if we need it
WORKDIR /usr/local/bin
RUN for f in valhalla_*; do objcopy --only-keep-debug $f $f.debug; done
RUN tar -cvf valhalla.debug.tar valhalla_*.debug && gzip -9 valhalla.debug.tar
RUN rm -f valhalla_*.debug
RUN strip --strip-debug --strip-unneeded valhalla_* || true
RUN strip /usr/local/lib/libvalhalla.a
RUN strip /usr/lib/python3/dist-packages/valhalla/python_valhalla*.so

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# copy the important stuff from the build stage to the runner image
FROM ubuntu:22.04 as runner
MAINTAINER Kevin Kreiser <kevinkreiser@gmail.com>

# github packaging niceties
LABEL org.opencontainers.image.description = "Open Source Routing Engine for OpenStreetMap and Other Datasources"
LABEL org.opencontainers.image.source = "https://github.com/valhalla/valhalla"

COPY --from=builder /usr/local /usr/local
COPY --from=builder /usr/lib/python3/dist-packages/valhalla/* /usr/lib/python3/dist-packages/valhalla/

# we need to add back some runtime dependencies for binaries and scripts
# install all the posix locales that we support
RUN export DEBIAN_FRONTEND=noninteractive && apt update && \
    apt install -y \
      libcurl4 libczmq4 libluajit-5.1-2 \
      libprotobuf-lite23 libsqlite3-0 libsqlite3-mod-spatialite libzmq5 zlib1g \
      curl gdb locales parallel python3.10-minimal python3-distutils python-is-python3 \
      spatialite-bin unzip wget && \
    cat /usr/local/src/valhalla_locales | xargs -d '\n' -n1 locale-gen && \
    rm -rf /var/lib/apt/lists/* && \
    \
    # python smoke test
    python3 -c "import valhalla,sys; print(sys.version, valhalla)"