FROM python:3.12-slim

WORKDIR /app

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

COPY app/ ./app/

# Persistent dedup store lives here (mounted as a volume).
VOLUME ["/data"]

EXPOSE 8000

# Single worker: the sqlite dedup store and in-process lock assume one process.
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "1"]
