FROM python:3.12.9-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

WORKDIR /app

RUN apt-get update \
    && apt-get install -y --no-install-recommends iproute2 \
    && rm -rf /var/lib/apt/lists/*

COPY requirements.txt /tmp/requirements.txt
RUN pip install --no-cache-dir -r /tmp/requirements.txt

COPY app /app/app

EXPOSE 31810

CMD ["sh", "-c", "uvicorn app.main:app --host 0.0.0.0 --port ${APP_PORT:-31810}"]