🔗 Creating a simple Elixir Phoenix application to deploy in Kubernetes

When you start working with Kubernetes, or you are interested in refreshing your knowledge, as I have, you start searching for content and end up reading uncountable tutorials on how to deploy applications. That is great, but there is always a similar problem: most of them are oversimplified version of a real deployment and thus are not significant enough to be of help to you. What works with a Python serving an HTML web page or a text, sometimes it is not enough when you deploy a real application.

This tutorial tries to show a real time application that even simple, requires some complex configuration to work on K8s. The application is chosen to be out of the way — it is really not important — , but requires some careful planning and updates to work, so I will be describing the steps taken to make it work again in K8s.

I am working on a second article that will describe more advanced topics, like what to do to configure the database, or how to make an Elixir application run in more than one container.