FROM python:3.12-slim

# Hugging Face Spaces runs nicely with uid 1000
RUN useradd -m -u 1000 user

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    PATH="/home/user/.local/bin:$PATH"

WORKDIR /app

RUN apt-get update \
    && apt-get install -y --no-install-recommends build-essential \
    && rm -rf /var/lib/apt/lists/*

COPY --chown=user requirements.txt /app/requirements.txt

USER user
RUN pip install --user --upgrade pip \
    && pip install --user -r /app/requirements.txt

COPY --chown=user . /app

# Docker Spaces must listen on 7860
EXPOSE 7860
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]