# Use Python 3.12 slim image as base
FROM python:3.12-slim

# Set working directory
WORKDIR /app

# Copy requirements file
COPY requirements.txt .

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

# Copy application code
COPY app.py .

# Create models directory and copy model file
COPY ./superkart_model.joblib ./superkart_model.joblib

# Expose port (Hugging Face Spaces uses 7860)
EXPOSE 7860

# Set environment variables
ENV FLASK_APP=app.py
ENV FLASK_ENV=production

HEALTHCHECK --interval=30s \
    --timeout=10s \
    --start-period=5s \
    --retries=3 \
    CMD curl -f http://localhost:7860/ || exit 1

# Run the application with gunicorn
CMD ["gunicorn", "--bind", "0.0.0.0:7860", "--workers", "4", "--timeout", "120", "app:app"]