FROM python:3.12-slim

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

COPY solver.py app.py ./

EXPOSE 8090
# 1 worker : CP-SAT est déjà multi-thread (num_search_workers=8)
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8090"]