FROM python:3.10-slim

ENV PYTHONDONTWRITEBYTECODE=1         PYTHONUNBUFFERED=1         PIP_NO_CACHE_DIR=1

WORKDIR /app

RUN apt-get update         && apt-get install -y --no-install-recommends build-essential curl ca-certificates         && rm -rf /var/lib/apt/lists/*

COPY requirements.prod.txt ./requirements.prod.txt
RUN pip install --upgrade pip         && pip install -r requirements.prod.txt         && pip install --index-url https://download.pytorch.org/whl/cpu/ --no-cache-dir torch || true         && pip cache purge || true

COPY src ./src
COPY models ./models
COPY data/processed ./data/processed

ENV PYTHONPATH=/app/src

EXPOSE 8000

CMD ["uvicorn", "inference.app_production:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "2"]