Extending Web Applications with Cloud Functions

The discourse on cloud functions focuses heavily on diverse use cases: Standalone functions to perform a certain functionality, compositions of functions into complete applications, and functions as plumbing between separate application parts. This blog post intends to explore the use of cloud functions as extensibility mechanism for existing applications. It exemplifies the interaction between a function, a website and a login-protected web application and furthermore discusses implementation aspects and the notion of caching data in function instances.

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