This app's front end can be found here
The entire backend is hosted on AWS, managed by AWS amplify CI/CD from github repo.
This app is built with ReactJS, AWS DynamoDB, AWS Amplify, AWS AppSync, git, NodeJS.
Data is scraped from Costco's web coupon book issued every month by costcoCrawlerPutItemsAwsAmplify.js, deprecated versions of the data extraction were costcoCrawlerPutItemsDynamoDB.js
Data can be retrieved and updated/transformed through the use of costcoCrawlerScanCoupons.js and costcoCrawlerUpdateItem.js