FROM ubuntu:22.04

RUN apt update && apt upgrade -y && \
    apt install -y s6 openssh-server && \
    rm /etc/ssh/ssh_host_* && mkdir -p /run/sshd && \
    mkdir -p /etc/s6

ADD entry.sh /
COPY etc/s6 /etc/s6/

ENTRYPOINT [ "/bin/bash", "/entry.sh" ]
CMD [ "/usr/bin/s6-svscan", "/etc/s6" ]