No matter how we deploy our applications and no matter how much we trust our validations, the truth is that sooner or later we'll have to roll back. That is especially true with third-party applications. While we could roll forward faulty applications we developed, the same is often not an option with those that are not in our control. If there is a problem and we cannot fix it fast, the only alternative is to roll back.
Fortunately, Helm provides a mechanism to roll back. Before we try it out, let's take a look at the list of the Charts we installed so far.
1 helm list
The output is as follows.
NAME REVISION UPDATED STATUS CHART NAMESPACE jenkins 2 Thu May ... DEPLOYED jenkins-0.16.1 jenkins
As expected, we have only one Chart running in our cluster. The critical piece of information is that it is the second revision...
