FROM python:3.12-slim

WORKDIR /app

# Copy requirements and install dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY *.py ./

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

# Run as non-root user
RUN useradd -m -u 1000 appuser && chown -R appuser:appuser /app
USER appuser

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