The document discusses Function as a Service (FaaS) and how it can be used with frameworks. FaaS allows developers to build and run application functionalities without managing infrastructure. It focuses on business logic over implementation details. The document provides an overview of FaaS and how it works using Apache OpenWhisk as an example. It also discusses how FaaS can scale functions on demand and be used for building microservices and REST APIs. Appsody is presented as a tool that uses FaaS and stacks to provide a development workflow for building cloud-native applications.
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