FROM buildpack-deps:bookworm

ARG SRV_UID="1000"
ARG SRV_GID="100"
ARG SRV_VERSION="0"

ENV SRV_UID $SRV_UID
ENV SRV_GID $SRV_GID
ENV SRV_VERSION $SRV_VERSION
ENV SRV_APT_GET_INSTALL $SRV_APT_GET_INSTALL

RUN apt-get update -y && apt-get install -y openssh-server openssh-client \
  openssh-sftp-server $SRV_APT_GET_INSTALL && apt-get clean && \
  rm -rf /var/lib/apt/lists/*

RUN ( id $SRV_UID || useradd -s /bin/bash -d /ssh -u $SRV_UID -g $SRV_GID ssh ) \
  && mkdir /ssh && chown $SRV_UID:$SRV_GID /ssh

USER $SRV_UID:$SRV_GID

VOLUME /ssh

WORKDIR /ssh

CMD ["bash"]