Dockerfile

FROM python:3.11-slim

# Workdir inside the container
WORKDIR /app

# Copy everything from backend_files into the image
COPY . .

# Install deps
RUN pip install --no-cache-dir --upgrade -r requirements.txt

# Optional (good practice)
EXPOSE 7860

# Start the Flask API via Gunicorn (our Flask instance is named superkart_api in app.py)
CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:7860", "app:superkart_api"]