FROM python:3.10-slim

# Prevent Python from buffering stdout/stderr
ENV PYTHONUNBUFFERED=1

WORKDIR /app

# Install dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application
COPY app.py .

# Hugging Face uses port 7860
EXPOSE 7860

# Run FastAPI
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]