Dockerfile

# HuggingFace Spaces — Flask Purchase Predictor
FROM python:3.10-slim

# HF Spaces runs as a non-root user; create one to match
RUN useradd -m -u 1000 appuser

WORKDIR /app

# Install dependencies first (layer cache)
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY app.py .
COPY templates/ templates/

# Copy your trained model — ensure the file is in the same folder
# before building the image
COPY random_over_sampling_model.pkl .

# Switch to non-root user (required by HuggingFace Spaces)
USER appuser

# HuggingFace Spaces expects port 7860
EXPOSE 7860

ENV PORT=7860

# Use gunicorn for production
CMD ["gunicorn", "--bind", "0.0.0.0:7860", "--workers", "1", "--timeout", "120", "app:app"]