OpenFaaS is a fast-growing Functions as a Service platform, and as already mentioned, it is getting a lot of community support behind it. It is unique in that it interacts with Docker locally to build and push images to the Docker Hub, where the other tools we have been using are using Kubernetes to inject our functions into containers and runtime.
This is the advantage of being able to easily distribute container images for use with OpenFaaS, as demonstrated by the mememachine example we worked through and the other functions in the OpenFaaS store.
One of the things we didn't do in this chapter is launch Kubernetes cluster in a public cloud and deploy OpenFaaS. One of the reasons for this is, to be able to access it, we would have had to make it available to our host machine via a public IP address, which would have exposed our installation to the world. In the next...