Dockerfile

FROM ubuntu:22.04

RUN apt-get update && apt-get install -y \
    openssh-server \
    sudo \
    curl \
    wget \
    nano \
    vim \
    findutils \
    rsyslog \
    && rm -rf /var/lib/apt/lists/*

RUN mkdir -p /run/sshd

RUN useradd -m -s /bin/bash corentin && \
    echo "corentin:password123" | chpasswd

RUN echo "corentin ALL=(ALL) NOPASSWD: /usr/bin/find" >> /etc/sudoers.d/corentin && \
    chmod 0440 /etc/sudoers.d/corentin

RUN sed -i 's/#PermitRootLogin prohibit-password/PermitRootLogin no/' /etc/ssh/sshd_config && \
    sed -i 's/#PasswordAuthentication yes/PasswordAuthentication yes/' /etc/ssh/sshd_config

EXPOSE 22

CMD ["/bin/bash", "-c", "rsyslogd && exec /usr/sbin/sshd -D"]