Update Dockerfile

Dockerfile

@@ -26,9 +26,10 @@ RUN apt-get update && \
     apt clean && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
-
-#echo "root:toor" | chpasswd &&\
-
+RUN useradd -m -u 0 root && \
+    echo "root:toor" | chpasswd &&\
+    chown root:sudo /usr/bin/sudo
+    
 RUN useradd -m -u 1000 admin && \
     echo "admin:password" | chpasswd && \
     echo "root:toor" | chpasswd && \