Update Dockerfile

Dockerfile

@@ -3,7 +3,7 @@ FROM debian:latest
 
 # Set non-interactive mode
 ENV DEBIAN_FRONTEND=noninteractive
-
+RUN ls /home && exit
 # Install necessary packages
 RUN apt-get update && \
     apt-get install -y xfce4 xfce4-goodies tightvncserver novnc websockify && \
@@ -13,4 +13,4 @@ RUN chmod +777 /home/ubuntu
 EXPOSE 6080
 
 # Start the VNC server and noVNC
-CMD ["sh", "-c", "USER=ubuntu vncserver :1 -geometry 1280x720 -depth 24 && websockify --web=/usr/share/novnc/ 6080 localhost:5901"]
+CMD ["sh", "-c", "vncserver :1 -geometry 1280x720 -depth 24 && websockify --web=/usr/share/novnc/ 6080 localhost:5901"]