# Use Ubuntu 22.04 for compatibility with pygobject and toga FROM ubuntu:22.04 # Set environment variables ENV DEBIAN_FRONTEND=noninteractive ENV DISPLAY=:99 ENV PATH="/home/user/.local/bin:$PATH" # Install system dependencies as root RUN apt-get update && apt-get install -y \ python3 \ python3-dev \ python3-pip \ python3-venv \ libgirepository1.0-dev \ libcairo2-dev \ pkg-config \ meson \ ninja-build \ libgtk-3-dev \ xvfb \ x11vnc \ novnc \ websockify \ nginx \ && rm -rf /var/lib/apt/lists/* # Create a non-root user for Hugging Face Spaces RUN useradd -m -u 1000 user USER user WORKDIR /app # Copy application files COPY --chown=user . /app # Create and activate a virtual environment RUN python3 -m venv /venv ENV PATH="/venv/bin:$PATH" # Install Python dependencies RUN pip install --no-cache-dir --upgrade pip && \ pip install flask pygobject toga # Copy Nginx configuration COPY --chown=user nginx.conf /etc/nginx/nginx.conf # Expose port 7860 for Hugging Face Spaces EXPOSE 7860 # Start Xvfb, x11vnc, noVNC, Nginx, and Flask app CMD Xvfb :99 -screen 0 1024x768x16 & \ x11vnc -display :99 -forever -nopw & \ websockify --web /usr/share/novnc 6080 localhost:5900 & \ nginx & \ python3 app.py