Dockerfile

# Simple CPU-only image
FROM python:3.11-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

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

# Copy app code and model
COPY . .

# Spaces will set PORT (usually 7860)
ENV PORT=7860 \
    MODEL_PATH="model/stroke_pipeline.joblib"

# Bind to $PORT (required by Spaces)
CMD ["sh", "-c", "gunicorn -w 2 -b 0.0.0.0:${PORT} app:app"]