Dockerfile

# Use Python 3.12 as specified
FROM python:3.12-slim

# Install minimal system dependencies including git-lfs for database files
RUN apt-get update && apt-get install -y --no-install-recommends \
    curl \
    && rm -rf /var/lib/apt/lists/*

# Create a non-root user
RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"

# Set working directory
WORKDIR /app

# Copy requirements first for better Docker layer caching
COPY --chown=user ./requirements.txt requirements.txt

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

# Copy the application code
COPY --chown=user . /app

# Make startup script executable
RUN chmod +x startup.sh

# Expose the port that HF Spaces requires
EXPOSE 7860

# Set environment variables
ENV PYTHONPATH=/app
ENV PYTHONUNBUFFERED=1

# Health check
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:7860/health || exit 1

# Run the application with LFS data download
CMD ["./startup.sh"]