FROM alpine:3.20.3 AS base

FROM base AS builder

# renovate: datasource=github-tags depName=transmission packageName=transmission/transmission
ENV TRANSMISSION_VERSION=4.0.6

# Install base utilities and dependencies to build transmission
RUN set -ex && \
    apk add --no-cache --upgrade \
    git \
    python3 \
    build-base \
    cmake \
    curl-dev \
    gettext-dev \
    openssl-dev \
    linux-headers \
    samurai

# Get transmission source code from GitHub using the specified tag
RUN git clone \
    --branch ${TRANSMISSION_VERSION} \
    --depth 1 \
    --recurse-submodules \
    https://github.com/transmission/transmission.git \
    /usr/src/transmission

WORKDIR /usr/src/transmission

# Build transmission
RUN cmake \
    -S . \
    -B obj \
    -G Ninja \
    -D CMAKE_BUILD_TYPE=Release \
    -D ENABLE_CLI=OFF \
    -D ENABLE_DAEMON=ON \
    -D ENABLE_GTK=OFF \
    -D ENABLE_MAC=OFF \
    -D ENABLE_QT=OFF \
    -D ENABLE_TESTS=OFF \
    -D ENABLE_UTILS=OFF \
    -D ENABLE_UTP=ON \
    -D ENABLE_WERROR=OFF \
    -D ENABLE_DEPRECATED=OFF \
    -D ENABLE_NLS=ON \
    -D INSTALL_WEB=ON \
    -D REBUILD_WEB=OFF \
    -D INSTALL_DOC=OFF \
    -D INSTALL_LIB=OFF \
    -D RUN_CLANG_TIDY=OFF \
    -D WITH_INOTIFY=ON \
    -D WITH_CRYPTO="openssl" \
    -D WITH_SYSTEMD=OFF \
    && cmake --build obj --config Release \
    && cmake --build obj --config Release --target install/strip

FROM base AS runtime

RUN set -ex && \
    apk update && \
    apk add --no-cache --upgrade libcurl libintl libgcc libstdc++

COPY --from=builder /usr/local/bin /usr/local/bin
COPY --from=builder /usr/local/share /usr/local/share

EXPOSE 9091/tcp 51413/tcp 51413/udp

VOLUME [ "/root/config", "/root/Downloads" ]

STOPSIGNAL SIGTERM

ENTRYPOINT ["/usr/local/bin/transmission-daemon", "--foreground", "--config-dir", "/root/config"]