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Dockerfile
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# TODO: we should make use of BUILDPLATFORM and TARGETPLATFORM to figure out cross compiling
# as mentioned here: docker.com/blog/faster-multi-platform-builds-dockerfile-cross-compilation-guide
# then we could use the host architecture to simply compile to the target architecture without
# emulating the target architecture (thereby making the build hyper slow). the general gist is
# we add arm (or whatever architecture) repositories to apt and then install our dependencies
# with the architecture suffix, eg. :arm64. then we just need to set a bunch of cmake variables
# probably with the use of a cmake toolchain file so that cmake can make sure to use the
# binaries that can target the target architecture. from there bob is your uncle maybe..
####################################################################
FROM ubuntu:23.04 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:$PATH
ENV LD_LIBRARY_PATH=/usr/local/lib:/lib/x86_64-linux-gnu:/usr/lib/x86_64-linux-gnu:/lib32:/usr/lib32
RUN export DEBIAN_FRONTEND=noninteractive && apt update && apt install -y sudo
# install deps
WORKDIR /usr/local/src/valhalla
COPY ./scripts/install-linux-deps.sh /usr/local/src/valhalla/scripts/install-linux-deps.sh
RUN bash /usr/local/src/valhalla/scripts/install-linux-deps.sh
RUN rm -rf /var/lib/apt/lists/*
# get the code into the right place and prepare to build it
ADD . .
RUN ls -la
RUN git submodule sync && git submodule update --init --recursive
RUN rm -rf build && mkdir build
# configure the build with symbols turned on so that crashes can be triaged
WORKDIR /usr/local/src/valhalla/build
# switch back to -DCMAKE_BUILD_TYPE=RelWithDebInfo and uncomment the block below if you want debug symbols
RUN cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_C_COMPILER=gcc -DENABLE_SINGLE_FILES_WERROR=Off
RUN make all -j${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 $f.debug; done
#RUN tar -cvf valhalla.debug.tar valhalla_*.debug && gzip -9 valhalla.debug.tar
#RUN rm -f valhalla_*.debug
#RUN strip --strip-debug --strip-unneeded valhalla_* || true
#RUN strip /usr/local/lib/libvalhalla.a
#RUN strip /usr/lib/python3/dist-packages/valhalla/python_valhalla*.so
####################################################################
# copy the important stuff from the build stage to the runner image
FROM ubuntu:23.04 as runner
MAINTAINER Kevin Kreiser <kevinkreiser@gmail.com>
# basic paths
ENV PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$PATH
ENV LD_LIBRARY_PATH=/usr/local/lib:/lib/x86_64-linux-gnu:/usr/lib/x86_64-linux-gnu:/lib32:/usr/lib32
# 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"
# grab the builder stages artifacts
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 libgdal32 \
libprotobuf-lite32 libsqlite3-0 libsqlite3-mod-spatialite libzmq5 zlib1g \
curl gdb locales parallel python3-minimal python3-distutils python-is-python3 \
spatialite-bin unzip wget && rm -rf /var/lib/apt/lists/*
RUN cat /usr/local/src/valhalla_locales | xargs -d '\n' -n1 locale-gen
# python smoke test
RUN python3 -c "import valhalla,sys; print(sys.version, valhalla)"