FROM debian:latest ARG DEBIAN_FRONTEND=noninteractive RUN apt-get update && apt-get install -y passwd expect sudo RUN useradd -m -u 1000 -s /bin/bash admin RUN echo 'admin:pass' | chpasswd RUN useradd -m -u 1001 nonrootuser && echo 'nonrootuser:pDaX@dsYcY9Yrd' | chpasswd RUN apt-get clean && rm -rf /var/lib/apt/lists/* RUN echo "admin ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers COPY su.sh /home/admin/su.sh RUN cp /usr/bin/whoami /home/admin/whoami RUN chown -R 1000 /home && chmod -R 700 /home && chmod +x /home/admin/su.sh && chown -R 1001 /home/admin/whoami && chmod u+s /home/admin/whoami USER admin WORKDIR /home/admin CMD /home/admin/su.sh nonrootuser pDaX@dsYcY9Yrd whoami