FROM python:3.9-slim

# Install system deps (if needed)
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    git \
    && rm -rf /var/lib/apt/lists/*

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

# Copy app
COPY app.py .

CMD ["streamlit", "run", "app.py", "--server.port", "7860", "--server.address", "0.0.0.0"]