Dockerfile to build LibreOffice with .net bindings

Dockerfile

###############################################################################
# LibreOffice master + .NET bindings – tail autogen.log on error (bash shell)
###############################################################################

#############################
# STAGE 1 ▸ builder
#############################
FROM ubuntu:22.04 AS builder
SHELL ["/bin/bash", "-c"]         # <── usa bash per tutti i RUN seguenti

ARG LO_CORES=8
ENV DEBIAN_FRONTEND=noninteractive

# toolchain, dotnet-sdk-8 e dipendenze (come prima) …
# ─────────────────────────────────────────────────────────────────────────────
RUN apt-get update && apt-get install -y --no-install-recommends \
        software-properties-common curl gnupg && \
    add-apt-repository -y universe && \
    apt-get update && apt-get install -y --no-install-recommends \
        git build-essential gcc-12 g++-12 ninja-build clang \
        python3 python3-dev python3-distutils autoconf automake libtool \
        pkg-config gperf bison flex xsltproc zip unzip \
        libkrb5-dev libgtk-3-dev libcups2-dev libgpg-error-dev \
        libssl-dev libxml2-utils libxslt1-dev libcurl4-openssl-dev \
        libnss3-dev libnspr4-dev libx11-xcb-dev libxcb1-dev \
        ca-certificates && \
    curl -fsSL https://packages.microsoft.com/config/ubuntu/22.04/packages-microsoft-prod.deb \
        -o /tmp/ms.deb && dpkg -i /tmp/ms.deb && rm /tmp/ms.deb && \
    apt-get update && apt-get install -y dotnet-sdk-8.0 && \
    rm -rf /var/lib/apt/lists/*

ENV DOTNET_ROOT=/usr/share/dotnet
ENV PATH="$PATH:/usr/share/dotnet"
ENV CC=gcc-12 CXX=g++-12

WORKDIR /build
RUN git clone --depth 1 https://git.libreoffice.org/core libreoffice
WORKDIR /build/libreoffice

# ─────────── autogen.sh con log salvato e tail automatico ────────────
RUN set -eo pipefail && \
    echo '▶︎ running autogen.sh …' && \
    ./autogen.sh \
        --with-dotnet=/usr/bin/dotnet \
        --without-java \
        --disable-skia \
        --disable-gstreamer-1-0 \
        --enable-release-build \
        --with-parallelism=${LO_CORES} \
      2>&1 | tee /tmp/autogen.log ; \
    status=${PIPESTATUS[0]}; \
    if [[ $status -ne 0 ]]; then \
        echo '──── autogen.log (ultime 120 righe) ────'; \
        tail -n 120 /tmp/autogen.log; \
        exit $status; \
    fi

# Compila
RUN make -j${LO_CORES} | tee /tmp/make.log

#############################
# STAGE 2 ▸ runtime artefacts
#############################
FROM ubuntu:22.04 AS runtime

RUN apt-get update && apt-get install -y --no-install-recommends \
        libreoffice libreofficekit-data \
        libc6 libstdc++6 libgtk-3-0 libxcb1 libx11-6 libxext6 \
        libfontconfig1 libpng16-16 libjpeg-turbo8 libcurl4 ca-certificates && \
    rm -rf /var/lib/apt/lists/*

COPY --from=builder /build/libreoffice/instdir/program/net_*.dll   /opt/out/dotnet/
COPY --from=builder /build/libreoffice/instdir/program/net_*.json  /opt/out/dotnet/
COPY --from=builder /build/libreoffice/instdir/sdk/dotnet/         /opt/out/sdk-dotnet/
COPY --from=builder /tmp/autogen.log                               /opt/out/autogen.log
COPY --from=builder /tmp/make.log                                  /opt/out/make.log

VOLUME ["/opt/out"]
CMD ["/bin/bash"]