This is the actual deployed version.
SaaS app takes your shopping list and compares price data from various local supermarkets to determine the cheapest place to shop. Webscrapers use Selenium and BeautifulSoup4 to update PostgreSQL database hosted on bit.io. UI with Node.js. Django site was hosted on AWS EC2 instance using Elastic Beanstalk here http://shop-compare-env.eba-axhpgjvs.us-west-2.elasticbeanstalk.com/
You can follow the thought process in more detail here: https://github.com/Stevie011/supermarket-price-comparitor