FROM fedora:38

RUN dnf install openssh-server -y
RUN ssh-keygen -A -v

RUN sed -i 's/#PasswordAuthentication yes/PasswordAuthentication no/' /etc/ssh/sshd_config
RUN sed -i 's/#PermitEmptyPasswords no/PermitEmptyPasswords no/' /etc/ssh/sshd_config
RUN sed -i 's/#PubkeyAuthentication yes/PubkeyAuthentication yes/' /etc/ssh/sshd_config

RUN sed -i 's/#PermitRootLogin yes/PermitRootLogin yes/' /etc/ssh/sshd_config
RUN sed -i 's@session\s*required\s*pam_loginuid.so@session optional pam_loginuid.so@g' /etc/pam.d/sshd
RUN echo 'root:root' | chpasswd

EXPOSE 22
CMD ["/usr/sbin/sshd", "-D", "-o", "ListenAddress=0.0.0.0"]