# Use a lightweight Python base image
FROM python:3.9-slim

# Set working directory inside container
WORKDIR /app

# Install system-level dependencies (for pandas, scikit-learn)
RUN apt-get update && apt-get install -y build-essential && rm -rf /var/lib/apt/lists/*

# Copy and install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt

# Copy app code and trained model
COPY app.py .
COPY superkart_sales_forecast.pkl .

# Expose port expected by Hugging Face Spaces
EXPOSE 7860

# Start the Flask app
CMD ["python", "app.py"]