FROM python:3.11-slim

WORKDIR /app

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

# Copy application code
COPY . .

# Create non-root user for security
RUN useradd --create-home --shell /bin/bash app && chown -R app:app /app
USER app

EXPOSE 5000

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