osu/Dockerfile

# Builder for base osu!
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 --mount=type=cache,target=/root/.nuget/packages --mount=type=cache,target=/root/.local/share/NuGet/http-cache 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

# Generic builder for rulesets
FROM mcr.microsoft.com/dotnet/sdk:8.0 as builder-ruleset-generic

COPY ./build-ruleset.sh /usr/local/bin/build-ruleset

# External rulesets

FROM builder-ruleset-generic as builder-swing
RUN --mount=type=cache,target=/root/.nuget/packages --mount=type=cache,target=/root/.local/share/NuGet/http-cache build-ruleset https://github.com/EVAST9919/lazer-swing

FROM builder-ruleset-generic as builder-tau
RUN --mount=type=cache,target=/root/.nuget/packages --mount=type=cache,target=/root/.local/share/NuGet/http-cache build-ruleset https://github.com/Altenhh/tau

FROM builder-ruleset-generic as builder-bosu
RUN --mount=type=cache,target=/root/.nuget/packages --mount=type=cache,target=/root/.local/share/NuGet/http-cache build-ruleset https://github.com/EVAST9919/bosu

FROM builder-ruleset-generic as builder-rush
RUN --mount=type=cache,target=/root/.nuget/packages --mount=type=cache,target=/root/.local/share/NuGet/http-cache build-ruleset https://github.com/swoolcock/rush

FROM builder-ruleset-generic as builder-sentakki
RUN --mount=type=cache,target=/root/.nuget/packages --mount=type=cache,target=/root/.local/share/NuGet/http-cache build-ruleset https://github.com/LumpBloom7/sentakki

# Runtime container
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 \
        xdg-utils \
    && rm -rf /var/lib/apt/lists/*

COPY --from=builder /opt/osu/ /opt/osu/
COPY --from=builder-swing /dlls/*.dll /opt/osu/
COPY --from=builder-tau /dlls/*.dll /opt/osu/
COPY --from=builder-bosu /dlls/*.dll /opt/osu/
COPY --from=builder-rush /dlls/*.dll /opt/osu/
COPY --from=builder-sentakki /dlls/*.dll /opt/osu/

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

WORKDIR /home/osu

RUN mkdir -p .local/share/applications

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