OpenFaaS is an open-source Function-As-A-Service (FaaS) project which works with Docker Swarm. FaaS provides the ability to run a function by itself or with other functions in a workflow to process information. A function running as a service will be able to scale up or down depending on how much it's used. OpenFaaS will manage Docker containers and function scaling. This tutorial demonstrates how to deploy a Python 3 function on Docker Swarm and OpenFaaS. The Vultr firewall will prevent extra s......