# Use official Python slim image
FROM python:3.11-slim

# Install system dependencies
RUN apt-get update && apt-get install -y \
    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 caching)
COPY --chown=user requirements.txt .

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

# Copy application files
COPY --chown=user . .

# Make sure the model file exists (you'll need to add this)
# COPY --chown=user best_model.pth .

# Expose port (Hugging Face Spaces typically uses 7860)
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
  CMD curl -f http://localhost:7860/health || exit 1

# Run the application
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1", "--log-level", "info"]