FROM python:3.10-slim

ENV DEBIAN_FRONTEND=noninteractive
ENV HF_HUB_DISABLE_SYMLINKS_WARNING=1

WORKDIR /app

RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    libglib2.0-0 libsm6 libxrender1 libxext6 poppler-utils \
    && rm -rf /var/lib/apt/lists/*

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

RUN python -c "import nltk; nltk.download('punkt'); nltk.download('punkt_tab')"

RUN python -c "from sentence_transformers import SentenceTransformer; SentenceTransformer('hkunlp/instructor-xl')"

COPY . .

EXPOSE 7860
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]