FROM python:3.9-slim

WORKDIR /app

# Install system dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements and install
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application files (model will download on first startup)
COPY api.py .
COPY trained_model ./trained_model

# Expose port
EXPOSE 8000

# Start server (model downloads during first startup, cached for future restarts)
CMD ["uvicorn", "api:app", "--host", "0.0.0.0", "--port", "8000"]