FROM python:3.10-slim

WORKDIR /app

# Install system dependencies if any needed (for yfinance/pandas often not needed in slim)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

COPY . .

# Cloud Run / Render expect 8080 or dynamic port
ENV PORT=7860

CMD uvicorn main:app --host 0.0.0.0 --port $PORT