In the series with Helm and Continuous Delivery nine months ago, I used helm to deploy the application to the kubernetes cluster. To be able to do that from the CI server, I had to make a workaround. I had punched a hole in the cluster with a NodePort service for Tiller. This allows pretty much anyone to reach Tiller (the server side component of Helm) and interact with it. Great for a demo blog post, but not so great for security.
In the previous post we created the Helm chart for our hello world
blog-helm application. The Helm chart contains all the information we need to deploy our application to a Kubernetes cluster. But so far, we always deploy the latest version. In a CD setup, we’d like to be able to deploy any version, from any feature branch, at any given point in time, to any environment (DTAP). Let’s start by looking at versioning.
In this post, I’m going to discuss the setup I have for deploying an ASP.NET application in Linux. Continue reading Versioning Deployed Web Applications