Create Dockerfile

Dockerfile

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+# Base image with system deps
+FROM ubuntu:22.04
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Install X server, window manager, VNC & web client
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+      xvfb fluxbox x11vnc \
+      websockify novnc python3-pip && \
+    rm -rf /var/lib/apt/lists/*
+
+# Copy startup script + app
+COPY entrypoint.sh /entrypoint.sh
+COPY requirements.txt /requirements.txt
+COPY app.py /app.py
+RUN chmod +x /entrypoint.sh
+
+# Python deps
+RUN pip3 install --no-cache-dir -r /requirements.txt
+
+# Expose Gradio (7860) and noVNC (6080)
+EXPOSE 7860 6080
+
+ENTRYPOINT ["/entrypoint.sh"]