Building the Cosmos Bookstore app – Part 3: Regex, Aggregation pipeline, and request charges

Part 3 of the app development series in which we walk through the backend functionalities of a demo app called “Cosmos Bookstore”. The app uses React for the frontend layer; Node.JS and Express for the backend layer; and Azure Cosmos DB (with API for MongoDB) as the database.

Frank

#DataScientist, #DataEngineer, Blogger, Vlogger, Podcaster at http://DataDriven.tv . Back @Microsoft to help customers leverage #AI Opinions mine. #武當派 fan. I blog to help you become a better data scientist/ML engineer Opinions are mine. All mine.