# Keep Alpine's musl ABI and rTorrent version; export only runtime dependencies.
FROM alpine:3.24 AS runtime
RUN apk add --no-cache rtorrent ca-certificates tzdata \
    build-base lddtreepax python3
COPY install/rtorrent-entrypoint.c /build/rtorrent-entrypoint.c
RUN cc -Os -Wall -Wextra -Werror -o /usr/local/bin/rtorrent-entrypoint /build/rtorrent-entrypoint.c \
    && strip /usr/local/bin/rtorrent-entrypoint
COPY build/runtime-root.py /build/runtime-root.py
RUN python3 /build/runtime-root.py /runtime /usr/bin/rtorrent /usr/local/bin/rtorrent-entrypoint
COPY tests/rtorrent-smoke.c /build/rtorrent-smoke.c
RUN cc -static -Os -Wall -Wextra -Werror -o /build/rtorrent-smoke /build/rtorrent-smoke.c

FROM scratch
COPY --from=runtime /runtime/ /
ENV HOME=/root PATH=/usr/local/bin:/usr/bin:/bin TERM=xterm
RUN --mount=type=bind,from=runtime,source=/build/rtorrent-smoke,target=/ci-smoke ["/ci-smoke"]
VOLUME ["/home/nfs_download"]
EXPOSE 5001/tcp
HEALTHCHECK --interval=10s --timeout=10s --start-period=90s --retries=5 \
    CMD ["/usr/local/bin/rtorrent-entrypoint", "--healthcheck"]
ENTRYPOINT ["/usr/local/bin/rtorrent-entrypoint"]