Create Dockerfile

Dockerfile

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+# 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"]
+