Helm 2 vs Helm 3 | Difference between Helm 2 and Helm 3 | KodeKloud

In this comparison video between Helm 2 and Helm 3, we’ll learn about the differences between the previous Helm release Helm 2, and the current working version of Helm 3.

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Kubernetes has surged in popularity in recent years. Several Kubernetes resources, such as pods, services, deployments, and replica sets, must be defined and managed when deploying an application on Kubernetes. Each of these necessitates the creation of a set of YAML manifest files. Maintaining multiple manifest files for each of these resources becomes problematic in the context of complicated application deployment. Furthermore, generating manifest files and supplying configuration options externally might be critical in allowing deployments to be customized. Other essential considerations include dependency management and version control.

This is where Helm comes to the rescue.

Helm is a Kubernetes package manager similar to NPM or YARN. It's not only a Package Manager, though; it's also a Kubernetes Deployment Management. To put it another way, instead of needing to declare numerous Kubernetes resources to deploy an application, Helm allows you to simply execute a few commands in the terminal and press enter, and you're done!

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[tonyc]

Why don’t people just force use chart version for everything instead of using kubectl then we don’t have to do a three way merge?

[SumanChakraborty]

In 3 way merge what happens to the objects which were not changed manually, like here the image to the app has changed, but other resources like svc, deployment remains same. So, how a 3 way merge handles this scenario