FROM python:3.11-slim

RUN apt-get update && \
    apt-get install -y --no-install-recommends \
        gcc libglib2.0-0 libsm6 libxext6 libxrender-dev \
        git \
    && rm -rf /var/lib/apt/lists/*

RUN useradd -m -u 1000 user
USER user
ENV PATH="/home/user/.local/bin:$PATH"
WORKDIR /app

# 1. Copy requirements
COPY --chown=user ./requirements.txt requirements.txt

# 2. Cài pip + dependencies chính
RUN pip install --no-cache-dir --upgrade pip \
 && pip install --no-cache-dir --upgrade -r requirements.txt

# # 3. Cài torch bản CPU (bắt buộc, cài trước để các package khác nhận ra)
# RUN pip install torch torchvision --index-url https://download.pytorch.org/whl/cpu

# # 4. Cài langchain_docling (không kèm torch nữa)
# RUN pip install --no-cache-dir langchain_docling

# 5. Copy code vào image
COPY --chown=user . /app
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]