When you only pay for the queries that you run, or resources like CPU and storage, it is important to look at optimizing the data those systems rely on.
If you aren't convinced that having your build definition as code rather than on a server is better, IntelliSense and Azure DevOps might change your mind.
This article has a star studded lineup: Node.js, Angular, VS Code, and Azure. Read on to learn how to easily build a web app utilizing these technologies!