Function as a Service (FaaS) uses Docker and Swarm to create a simple system for running functions in the container, language, and runtime of your choice.
Serverless computing has fast become a staple presence on major clouds, from Amazon to Azure. It’s also inspiring open source projects designed to make the concept of functions as a service useful to individual developers.
FaaS is designed to be more elementary than similar projects, mainly because it emphasizes Unix mechanisms and metaphors as much as the tools of the Docker stack.
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