FROM alpine RUN apk -U add openssh-server openssh-sftp-server sudo python3 RUN adduser -D user RUN passwd -u user RUN echo "user ALL=(ALL) NOPASSWD: ALL" > /etc/sudoers RUN echo "PasswordAuthentication no" > /etc/ssh/sshd_config RUN echo "PubkeyAuthentication yes" >> /etc/ssh/sshd_config RUN echo "AuthorizedKeysFile /etc/ssh/authorized_keys" >> /etc/ssh/sshd_config RUN echo "PermitRootLogin no" >> /etc/ssh/sshd_config RUN echo "Subsystem sftp /usr/lib/ssh/sftp-server" >> /etc/ssh/sshd_config RUN ssh-keygen -A COPY test.sh / ENTRYPOINT ["/test.sh"]