FROM python:3.10-slim

# Set working directory
WORKDIR /app

# Copy dependency file
COPY requirements.txt .

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

# Copy application code
COPY app.py .

# Hugging Face Spaces uses port 7860
EXPOSE 7860

# Start FastAPI (IMPORTANT LINE)
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]