Democratizing Serverless: The New Open Source Fn Platform by Travis Reeder and Reed Allman


Serverless computing is one of the hottest trends in computing right now due to it’s simplicity and cost efficiency. But the most well-known serverless platforms are either proprietary or difficult to incorporate into existing platforms. Fortunately the open source Fn Project ( was recently launched and it enables you to run your own serverless infrastructure wherever you want—on your laptop or on the cloud with no vendor lock-in. Built on Docker, Fn includes support for writing functions in popular programming languages with excellent support for Java, local development with JUnit testing, and Fn Flow for orchestrating functions directly in Java. All you need is Docker and you’re ready to go! First things first, we’ll look at how to use the functions platform with a demo. We’ll walk through writing functions in Go, Node.js, and Java and deploy them. Then we’ll discuss how the platform is implemented including packaging, input and output via STDIN/STDOUT/STDERR, the nitty gritty on running short-lived Docker containers and hot functions to increase performance. And finally we’ll talk about scaling functions. Watch the video here.

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Technorati Tags: PaaS,Cloud,Middleware Update,WebLogic, WebLogic Community,Oracle,OPN,Jürgen Kress

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