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FROM fedora:latest
RUN dnf -y install openssh-server git
RUN dnf -y install ed # needed to edit passwd and group
RUN dnf clean all
# setup openssh
RUN sed -i "s/#PasswordAuthentication yes/PasswordAuthentication no/" /etc/ssh/sshd_config
# SSHd 7.4+ (maybe earlier) this is not needed, see
# RUN sed -i 's/#UsePrivilegeSeparation.*$/UsePrivilegeSeparation no/' /etc/ssh/sshd_config
RUN sed -i 's/#Port.*$/Port 2022/' /etc/ssh/sshd_config
RUN chmod 775 /var/run
RUN rm -f /var/run/nologin
# setup git user
RUN adduser --system -s /bin/bash -u 1234321 -g 0 git # uid to replace later
RUN chmod 775 /etc/ssh /home # keep writable for openshift user group (root)
RUN chmod 660 /etc/ssh/sshd_config
RUN chmod 664 /etc/passwd /etc/group # to help uid fix
RUN ln -s /home/git /repos # nicer repo url
LABEL Description="sample git server; you need to add your ssh keys after startup; on restart you lose repos by default" Vendor="Red Hat" Version="1.0"
USER git
# CMD ["/usr/sbin/sshd", "-D"]
# FYI sed -i uses a temporary fail which approach fails
CMD echo -e ",s/1234321/`id -u`/g\\012 w" | ed -s /etc/passwd && \
mkdir -p /home/git/.ssh && \
touch /home/git/.ssh/authorized_keys && \
chmod 700 /home/git/.ssh && \
chmod 600 /home/git/.ssh/authorized_keys && \
mkdir /home/git/sample.git && \
git -C /home/git/sample.git init --bare && \
ssh-keygen -A && \
exec /usr/sbin/sshd -D