# Use Python 3.10 slim image as base
FROM python:3.10-slim

# Set working directory
WORKDIR /app

# Set environment variables
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PORT=7860

# Install system dependencies
RUN apt-get update && apt-get install -y \
    gcc \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements file
COPY requirements.txt .

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

# Copy application files
COPY app.py .
COPY templates/ ./templates/
COPY static/ ./static/

# Create a non-root user
RUN useradd -m -u 1000 user && chown -R user:user /app
USER user

# Expose the port (Hugging Face default)
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD python -c "import requests; requests.get('http://localhost:7860/health')" || exit 1

# Run the application
CMD ["python", "app.py"]