Update Dockerfile

Dockerfile

@@ -8,6 +8,7 @@ ENV HOME=/home/$USER
 ENV DISPLAY=:1
 ENV VNC_PORT=5901
 ENV NOVNC_PORT=7860
+ENV X11VNC_LOG=/tmp/x11vnc.log
 
 # Install dependencies: Chrome, Xvfb, noVNC, Fluxbox, and utilities
 RUN apt-get update && apt-get install -y \
@@ -30,6 +31,16 @@ RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key
 # Create a non-root user
 RUN useradd -m -s /bin/bash $USER
 
+# Fix permissions for X11 socket directory
+RUN mkdir -p /tmp/.X11-unix \
+    && chmod 1777 /tmp/.X11-unix \
+    && chown $USER:$USER /tmp/.X11-unix
+
+# Create a minimal Fluxbox config to suppress warnings
+RUN mkdir -p $HOME/.fluxbox
+COPY fluxbox_menu $HOME/.fluxbox/menu
+RUN chown -R $USER:$USER $HOME/.fluxbox
+
 # Set up noVNC web interface
 RUN ln -s /usr/share/novnc/vnc.html /usr/share/novnc/index.html