Dockerfile

FROM cloudflare/cloudflared:latest AS tunnel-provider

FROM docker.io/library/ubuntu:22.04

ENV DEBIAN_FRONTEND=noninteractive

USER root

COPY --from=tunnel-provider /usr/local/bin/cloudflared /usr/local/bin/cloudflared

RUN apt-get update && apt-get install -y \
    openssh-server openssh-client curl wget sudo git python3 \
    && rm -rf /var/lib/apt/lists/*

RUN mkdir /var/run/sshd
RUN echo 'root:628941' | chpasswd
RUN sed -i 's/#PermitRootLogin prohibit-password/PermitRootLogin yes/' /etc/ssh/sshd_config

RUN echo '#!/bin/bash\n\
mkdir -p /data/ssh_host\n\
if [ -z "$(ls -A /data/ssh_host)" ]; then\n\
    cp -r /etc/ssh/ssh_host_* /data/ssh_host/\n\
else\n\
    cp -r /data/ssh_host/* /etc/ssh/\n\
fi\n\
mkdir -p /data/root_home\n\
if [ ! -L /root ]; then\n\
    cp -a /root/. /data/root_home/\n\
    rm -rf /root\n\
    ln -s /data/root_home /root\n\
fi\n\
cloudflared tunnel --no-autoupdate run --token "eyJhIjoiNzU5M2FlOTk2ZDA2NzYyNWJiYmVhYWZlYjU5NTAwZDMiLCJ0IjoiNzI3NzQ0NGMtZWYxOS00MWEzLWI2M2EtNmMyZWFkM2FjOGFjIiwicyI6Ik5EQXlOekV3TURBdE1qWTBOUzAwTkRZeExUZzBOREF0TjJOa09HVXhNemN6WXpVeSJ9" > /var/log/cloudflared.log 2>&1 &\n\
/usr/sbin/sshd\n\
cd /tmp && python3 -m http.server 7860 &\n\
MINI_PID=$!\n\
sleep 30\n\
kill $MINI_PID\n\
while true; do sleep 3600; done\n\
' > /start.sh && chmod +x /start.sh

EXPOSE 7860

CMD ["/start.sh"]