FROM python:3.11-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    HF_HOME=/data/.huggingface \
    PORT=7860

WORKDIR /code

RUN apt-get update \
    && apt-get install -y --no-install-recommends gcc \
    && rm -rf /var/lib/apt/lists/* \
    && mkdir -p /data/.huggingface/hub

COPY requirements.txt .

RUN pip install --upgrade pip \
    && pip install --index-url https://download.pytorch.org/whl/cpu torch \
    && pip install -r requirements.txt

COPY app ./app

EXPOSE 7860

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