FROM ubuntu:22.04

RUN apt-get update && apt-get install -y openssh-server

RUN mkdir /var/run/sshd /root/.ssh
COPY sshd_config /etc/ssh/sshd_config
COPY entrypoint.sh /entrypoint.sh
COPY authorized_keys /root/.ssh/authorized_keys
RUN chmod +x /entrypoint.sh && chmod 600 /root/.ssh/authorized_keys

EXPOSE 22
CMD ["/entrypoint.sh"]