FROM python:3.11-slim-bookworm

# Системные зависимости (без Node.js — native RAG engine работает in-process)
RUN apt-get update && apt-get install -y --no-install-recommends \
    ffmpeg \
    build-essential \
    libsndfile1 \
    curl \
    tesseract-ocr \
    tesseract-ocr-rus \
    tesseract-ocr-eng \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Python-зависимости (включают native RAG: sentence-transformers, rank_bm25, sqlite-vec)
COPY requirements.txt pip.conf ./
RUN pip install --no-cache-dir --timeout 300 -r requirements.txt

COPY . .

RUN mkdir -p uploads processed tmp data

EXPOSE 8000

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