Dockerfile

FROM python:3.9-slim

WORKDIR /app

# Install minimal system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    libgl1 \
    libglib2.0-0 \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements
COPY requirements.txt .

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Create cache directory
RUN mkdir -p /app/cache

# Copy application
COPY app.py .

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV GRADIO_SERVER_NAME="0.0.0.0"
ENV GRADIO_SERVER_PORT=7860
ENV TRANSFORMERS_CACHE=/app/cache
ENV HUGGINGFACE_HUB_CACHE=/app/cache

# Expose port
EXPOSE 7860

# Run as non-root user
RUN useradd -m appuser && chown -R appuser:appuser /app
USER appuser

CMD ["python", "app.py"]