This chapter introduces an FaaS platform, the Fn Project. It is another great FaaS framework developed by a team at Oracle Inc. Fn is one of the easiest projects that allows us to deploy an FaaS platform on a plain Docker infrastructure.

This chapter begins with a discussion of what the Fn Project is. It then moves on to look at how its components are organized and what its overall architecture is. We will then learn how to use the Fn CLI to prepare and deploy functions. The chapter then ends with a discussion of how to use Fn subprojects for its UI, scaling, and monitoring of the Fn cluster itself.

We will cover the following topics in this chapter:

• The Fn Project
• The Fn's architecture
• Using Fn CLI
• Deploying a local function
• Deploying Fn on Docker Swarm
• Monitoring Fn with its built-in UI
• Log analysis with a familiar tool