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

HEALTHCHECK --interval=30s --timeout=6s --retries=3 \
    CMD python -c "import os, urllib.request; urllib.request.urlopen('http://127.0.0.1:' + os.getenv('APP_PORT', '8000') + '/health', timeout=5)"

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"]