FROM python:3.11-slim

# Set working directory
WORKDIR /app

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

# Copy project files
COPY . .

# HuggingFace Spaces expects port 7860
EXPOSE 7860

# Start FastAPI server
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]