osrm-backend/docker/Dockerfile-alpine

FROM alpine:3.21.2 AS alpine-mimalloc

RUN apk update && \
    apk upgrade && \
    apk add --no-cache \
        boost-iostreams \
        boost-program_options \
        boost-thread \
        mimalloc

ENV LD_PRELOAD=/usr/lib/libmimalloc.so.2
ENV MIMALLOC_LARGE_OS_PAGES=1


FROM alpine-mimalloc AS builder
ARG DOCKER_TAG
ARG BUILD_CONCURRENCY

RUN mkdir -p /src /opt && \
    apk add --no-cache \
    boost-dev \
    boost-filesystem \
    clang \
    cmake \
    expat-dev \
    git \
    libbz2 \
    libxml2 \
    lua5.4-dev \
    make \
    onetbb-dev

COPY . /src
WORKDIR /src

RUN NPROC=${BUILD_CONCURRENCY:-$(nproc)} && \
    echo "Building OSRM ${DOCKER_TAG}" && \
    git show --format="%H" | head -n1 > /opt/OSRM_GITSHA && \
    echo "Building OSRM gitsha $(cat /opt/OSRM_GITSHA)" && \
    mkdir -p build && \
    cd build && \
    BUILD_TYPE="Release" && \
    ENABLE_ASSERTIONS="Off" && \
    BUILD_TOOLS="Off" && \
    case ${DOCKER_TAG} in *"-debug"*) BUILD_TYPE="Debug";; esac && \
    case ${DOCKER_TAG} in *"-assertions"*) BUILD_TYPE="RelWithDebInfo" && ENABLE_ASSERTIONS="On" && BUILD_TOOLS="On";; esac && \
    echo "Building ${BUILD_TYPE} with ENABLE_ASSERTIONS=${ENABLE_ASSERTIONS} BUILD_TOOLS=${BUILD_TOOLS}" && \
    cmake .. -DCMAKE_BUILD_TYPE=${BUILD_TYPE} -DENABLE_ASSERTIONS=${ENABLE_ASSERTIONS} -DBUILD_TOOLS=${BUILD_TOOLS} -DENABLE_LTO=OFF && \
    make -j${NPROC} install && \
    cd ../profiles && \
    cp -r * /opt && \
    strip /usr/local/bin/* && \
    rm -rf /src


# Multistage build to reduce image size - https://docs.docker.com/build/building/multi-stage/#use-multi-stage-builds
# Only the content below ends up in the image, this helps remove /src from the image (which is large)
FROM alpine-mimalloc AS runstage

COPY --from=builder /usr/local /usr/local
COPY --from=builder /opt /opt

RUN apk add --no-cache \
    boost-date_time \
    expat \
    lua5.4 \
    onetbb && \
    ldconfig /usr/local/lib

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