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FROM debian:bookworm-slim
LABEL org.opencontainers.image.authors="mail@krevsbech.dk"
ENV DEBIAN_FRONTEND=noninteractive
RUN set -e ;\
apt update -q=2 ;\
apt install -q=2 --yes --no-install-recommends openssh-server;\
apt clean ;\
rm -rf /var/lib/apt/lists/* ;\
mkdir /var/run/sshd ;\
echo 'root:PASSWORD' | chpasswd ;\
echo 'PermitRootLogin yes' >> /etc/ssh/sshd_config ;\
sed 's@session\s*required\s*pam_loginuid.so@session optional pam_loginuid.so@g' -i /etc/pam.d/sshd
# SSH login fix. Otherwise user is kicked off after login
COPY --chown=root:root ./authorized_keys /root/.ssh/authorized_keys
# As sshd scrubs ENV variables if they are set by the ENV varibale ensure to put the into /etc/profile as shown below
ENV NOTVISIBLE="in users profile"
RUN echo "export VISIBLE=now" >> /etc/profile
EXPOSE 2222
CMD ["/usr/sbin/sshd", "-D", "-p", "2222"]
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