FROM python:3.11-slim

# Set working directory
WORKDIR /app

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

# Copy requirements first for better caching
COPY requirements.txt .

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

# Copy the application code
COPY src/ ./src/

# Create necessary directories
RUN mkdir -p src/database

# Set environment variables
ENV FLASK_APP=src/main.py
ENV FLASK_ENV=production
ENV PYTHONPATH=/app

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

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

# Command to run the application
CMD ["python", "src/main.py"]