FROM python:3.11-slim

# Hugging Face Spaces compatibility
ENV HOME=/home/user
ENV PATH=/home/user/.local/bin:$PATH
WORKDIR /app

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

COPY acea/requirements.txt ./requirements.txt
RUN pip install --no-cache-dir -r requirements.txt

COPY acea/ .

RUN touch backend/__init__.py env/__init__.py

EXPOSE 7860

HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:7860/health || exit 1

CMD ["uvicorn", "backend.main:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]