FROM docker.io/debian:bullseye-slim AS builder
ARG STAGIT_VERSION=1.0

RUN apt-get update -y && apt-get install -y --no-install-recommends \
    git libgit2-dev build-essential

RUN git clone git://git.codemadness.org/stagit && \
    cd stagit && git checkout ${STAGIT_VERSION} && make && make PREFIX=/usr DESTDIR=/stagit-build install && \
    rm -Rf /stagit

FROM docker.io/debian:bullseye-slim

RUN apt-get update -y && apt-get install -y --no-install-recommends \
    ca-certificates openssh-server git libgit2-1.1

COPY --from=builder /stagit-build /
RUN mkdir -p /var/run/sshd

RUN addgroup --system --gid 10000 git
RUN adduser --system --uid 10000 --ingroup git --shell /usr/bin/git-shell --home /var/lib/git git
RUN adduser --system --uid 10001 --ingroup git --shell /usr/bin/git-shell --home /var/lib/git/public git-public

COPY container/config /etc
COPY container/run-git-server /run-git-server

EXPOSE 22
CMD ["/run-git-server"]