Dockerfile

FROM python:3.10

WORKDIR /code

# Copy requirements
COPY ./requirements.txt /code/requirements.txt
RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt

# Copy binary parts
COPY cf_part_* /code/

# Reassemble and permissions
RUN cat /code/cf_part_* > /code/cloudflared && \
    chmod +x /code/cloudflared && \
    rm /code/cf_part_*

# Install OpenSSH Server & Gen Keys
RUN apt-get update && apt-get install -y openssh-server && \
    mkdir -p /run/sshd && \
    chmod 777 /run/sshd && \
    echo 'root:password' | chpasswd && \
    ssh-keygen -A && \
    sed -i 's/#PermitRootLogin prohibit-password/PermitRootLogin yes/' /etc/ssh/sshd_config && \
    sed -i 's/#Port 22/Port 2222/' /etc/ssh/sshd_config

# Exposure check
RUN echo "User: $(whoami)" > /code/user_check.txt

COPY . /code

CMD ["python", "app.py"]