FROM python:3.11-slim

WORKDIR /app

# Install uv
COPY --from=ghcr.io/astral-sh/uv:latest /uv /uvx /usr/local/bin/

# System deps for pymupdf
RUN apt-get update && apt-get install -y --no-install-recommends \
    libmupdf-dev \
    && rm -rf /var/lib/apt/lists/*

# Install Python deps via uv (no venv, install to system)
COPY pyproject.toml .
RUN uv pip install --system --no-cache \
    fastapi \
    uvicorn \
    pymupdf \
    rank-bm25 \
    openai \
    python-dotenv \
    huggingface_hub \
    qdrant-client

# Copy app code and the pre-built page index
COPY rag/ ./rag/

# Downloads dir — populated at runtime from HF Dataset if HF_DATASET_ID is set
RUN mkdir -p /app/downloads

# Startup script: optionally pull PDFs from HF Dataset, then launch API
COPY entrypoint.sh .
RUN chmod +x entrypoint.sh

# HuggingFace Spaces requires port 7860
EXPOSE 7860

ENV DOWNLOADS_DIR=/app/downloads
ENV PORT=7860

ENTRYPOINT ["./entrypoint.sh"]