Create Dockerfile

Dockerfile

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+# Use Ubuntu 22.04 as the base image for compatibility and minimal size
+FROM ubuntu:22.04
+
+# Set environment variables for non-interactive installation
+ENV DEBIAN_FRONTEND=noninteractive
+ENV USER=appuser
+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 \
+    wget \
+    gnupg \
+    xvfb \
+    fluxbox \
+    x11vnc \
+    novnc \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install Google Chrome
+RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - \
+    && echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google-chrome.list \
+    && apt-get update \
+    && apt-get install -y google-chrome-stable \
+    && rm -rf /var/lib/apt/lists/*
+
+# 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
+
+# Copy a startup script to run Chrome in VNC
+RUN mkdir -p $HOME/scripts
+COPY start.sh $HOME/scripts/start.sh
+RUN chmod +x $HOME/scripts/start.sh
+
+# Switch to non-root user
+USER $USER
+WORKDIR $HOME
+
+# Expose port 7860 for noVNC (Hugging Face Spaces default)
+EXPOSE $NOVNC_PORT
+
+# Start the VNC server, noVNC, and Chrome
+CMD ["/home/appuser/scripts/start.sh"]