osu/Dockerfile

FROM mcr.microsoft.com/dotnet/sdk:8.0 as builder

ENV DOTNET_CLI_TELEMETRY_OPTOUT 1

RUN apt-get update \
    && apt-get -y install jq

ARG OSU_VERSION
ENV OSU_VERSION=$OSU_VERSION

RUN echo "Downloading and building osu! ${OSU_VERSION}" >&2 \
    && git clone --depth=1 --single-branch -b ${OSU_VERSION} https://github.com/ppy/osu \
    && cd osu \
    && dotnet publish \
        -c Release \
        -r linux-x64 \
        --no-self-contained \
        -o /opt/osu/ \
        -p:Version=${OSU_VERSION} \
        osu.Desktop

RUN for ruleset in \
        "Bosu|https://github.com/EVAST9919/bosu" \
        "Hitokori|https://github.com/Flutterish/Hitokori" \
        "Karaoke|https://github.com/karaoke-dev/karaoke" \
        "Mvis|https://github.com/EVAST9919/lazer-m-vis" \
        "Rush|https://github.com/swoolcock/rush" \
        "Sentakki|https://github.com/LumpBloom7/sentakki" \
        "Swing|https://github.com/EVAST9919/lazer-swing" \
        "Tau|https://github.com/Altenhh/tau" \
    ; do \
        repo_url="$(echo $ruleset | cut -d'|' -f2)" \
        && assembly_name="osu.Game.Rulesets.$(echo $ruleset | cut -d'|' -f1)" \
        && git clone --depth=1 "$repo_url" ruleset \
        && cd ruleset \
        && dotnet build \
            -c Release \
            "$assembly_name" \
        && cp "${assembly_name}"/bin/Release/net*/"${assembly_name}".dll /opt/osu/ \
        && cd .. \
        && rm -rf ruleset \
    ; done

FROM mcr.microsoft.com/dotnet/runtime:8.0

RUN apt-get update \
    && apt-get -y install --no-install-recommends \
        ffmpeg \
        libegl1-mesa-dev \
        libgbm1 \
        libgl1 \
        pulseaudio \
    && rm -rf /var/lib/apt/lists/*

COPY --from=builder /opt/osu/ /opt/osu/

RUN adduser --disabled-password --gecos '' osu
USER osu

ENTRYPOINT ["/opt/osu/osu!"]