FROM python:3.11-slim

# HuggingFace requires non-root user
RUN useradd -m -u 1000 appuser

WORKDIR /app

# Copy requirements first (layer caching)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Install curl for healthchecks
RUN apt-get update && apt-get install -y curl && rm -rf /var/lib/apt/lists/*

# Copy source
COPY . .

# Give ownership to appuser
RUN chown -R appuser:appuser /app

USER appuser

# HuggingFace Spaces uses port 7860
EXPOSE 7860

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