FROM python:3.12-slim

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    && rm -rf /var/lib/apt/lists/*

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

# Copy source code
COPY . .

# Default environment variables (override via docker-compose)
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1

RUN useradd -r -u 10001 appuser
USER appuser

CMD ["python", "main.py", "--run-worker"]