FROM python:3.12-slim

WORKDIR /app

ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1

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

COPY . .

EXPOSE 8000

CMD ["sh", "-c", "gunicorn -w ${WEB_CONCURRENCY:-4} --threads ${GUNICORN_THREADS:-5} -b 0.0.0.0:8000 main:app --timeout 60"]