FROM python:3.12-slim

ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1

WORKDIR /app

# Build stamp exposed via /api/version so the frontend can detect a stale cache.
ARG BUILD_VERSION=unknown
ENV BUILD_VERSION=${BUILD_VERSION}

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

COPY app ./app

RUN mkdir -p /data

EXPOSE 8000

CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]