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+FROM ubuntu:22.04
+ENV DEBIAN_FRONTEND=noninteractive
+
+# HF Spaces requirements
+ENV HF_HOME=/tmp/huggingface
+ENV GRADIO_SERVER_NAME=0.0.0.0
+ENV GRADIO_SERVER_PORT=7860
+
+# 1) Install Xfce, x11vnc, Xvfb, xdotool, etc.
+RUN apt-get update && apt-get install -y \
+    xfce4 \
+    xfce4-goodies \
+    x11vnc \
+    xvfb \
+    xdotool \
+    imagemagick \
+    x11-apps \
+    sudo \
+    software-properties-common \
+    python3 \
+    python3-pip \
+    curl \
+    wget \
+    scrot \
+    novnc \
+    websockify \
+    net-tools \
+ && apt-get remove -y light-locker xfce4-screensaver xfce4-power-manager || true \
+ && apt-get clean && rm -rf /var/lib/apt/lists/*
+
+# 2) Add the mozillateam PPA and install Firefox ESR
+RUN add-apt-repository ppa:mozillateam/ppa \
+ && apt-get update \
+ && apt-get install -y --no-install-recommends firefox-esr \
+ && update-alternatives --set x-www-browser /usr/bin/firefox-esr \
+ && apt-get clean && rm -rf /var/lib/apt/lists/*
+
+# 3) Create non-root user (HF Spaces requirement)
+RUN useradd -m -u 1000 user
+ENV HOME=/home/user
+WORKDIR /home/user/app
+
+# 4) Install Python dependencies
+COPY --chown=user requirements.txt .
+RUN pip3 install --no-cache-dir -r requirements.txt
+
+# 5) Copy application code
+COPY --chown=user . /home/user/app
+
+# 6) Setup noVNC for web-based VNC
+RUN ln -s /usr/share/novnc/vnc.html /usr/share/novnc/index.html
+
+# 7) Make start script executable
+RUN chmod +x /home/user/app/start.sh
+
+USER user
+
+# Expose port 7860 for Gradio
+EXPOSE 7860
+
+CMD ["/home/user/app/start.sh"]