Update Dockerfile

Dockerfile

@@ -1,14 +1,14 @@
 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 -d /home/nonrootuser nonrootuser && echo 'nonrootuser:password' | chpasswd
+RUN useradd -m -u 1000 -s /bin/bash admin
+RUN echo 'admin:pass' | chpasswd
+RUN useradd -m -u 1001 nonrootuser && echo 'nonrootuser:password' | 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 chown -R 1000 /home && chmod -R 700 /home && chmod +x /home/admin/su.sh
-RUN  chmod u+s /usr/bin/whoami
+RUN chown -R 1001 /home && chmod u+s /usr/bin/whoami
 USER admin
 WORKDIR /home/admin
-CMD whoami && pwd && ls && (/home/admin/su.sh nonrootuser password whoami)
+CMD /usr/bin/whoami && pwd && ls && (/home/admin/su.sh nonrootuser password whoami)