FROM python:3.11-slim

WORKDIR /app

# System deps
RUN apt-get update && apt-get install -y \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

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

# Copy app
COPY . .

# Expose port
EXPOSE 7860

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