FROM python:3.14-alpine

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

WORKDIR /app

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

COPY . .

RUN mkdir -p /data

EXPOSE 8000

HEALTHCHECK --interval=30s --timeout=5s --retries=3 \
    CMD sh -c 'curl -f http://localhost:${APP_PORT:-8000}/health || exit 1'

CMD ["sh", "-c", "gunicorn --worker-class gthread --workers ${GUNICORN_WORKERS:-1} --threads ${GUNICORN_THREADS:-8} --timeout ${GUNICORN_TIMEOUT:-0} --bind 0.0.0.0:${APP_PORT:-8000} wsgi:app"]