Update Dockerfile

Dockerfile

@@ -6,16 +6,7 @@ RUN echo 'admin:pass' | chpasswd
 RUN useradd -u 1001 1001 && echo '1001:pass' | chpasswd
 RUN apt-get clean && rm -rf /var/lib/apt/lists/*
 RUN echo 'admin ALL=(ALL) NOPASSWD: ALL' > /etc/sudoers
-COPY <<EOF /home/admin/su.sh
-set user [lindex $argv 0]
-set password [lindex $argv 1]
-set command [lindex $argv 2]
-
-spawn su - $user -c "$command"
-expect "Password:"
-send "$password\r"
-interact
-EOF
+COPY su.sh /home/admin/su.sh
 RUN chown -R 1000 /home && chmod -R 700 /home && chmod +x /home/admin/su.sh
 
 USER admin