Update Dockerfile

Dockerfile

@@ -14,12 +14,14 @@ RUN mkdir -p ~/.vnc && \
     echo "exec startxfce4" > ~/.vnc/xstartup && \
     chmod +x ~/.vnc/xstartup
 
+# Set USER environment variable
+ENV USER=root
+
+# Fix permissions for noVNC launch script
+RUN chmod +x /usr/share/novnc/utils/launch.sh
+
 # Expose the VNC and noVNC ports
 EXPOSE 8080
 
-# Add noVNC startup script
-RUN mkdir -p /root/novnc && \
-    ln -s /usr/share/novnc/utils/launch.sh /root/novnc/launch.sh
-
 # Start noVNC server on container start
-CMD ["bash", "-c", "/root/novnc/launch.sh --vnc localhost:5901 --listen 8080 & tightvncserver :1 && tail -f /dev/null"]
+CMD ["bash", "-c", "/usr/share/novnc/utils/launch.sh --vnc localhost:5901 --listen 8080 & tightvncserver :1 && tail -f /dev/null"]