What is the difference between Helm and Kustomize?

Helm uses a templating engine (Go templates) to inject variables into placeholders. Kustomize uses an overlay strategy, where you have a 'base' raw YAML file, and you apply 'patches' on top of it. Both are widely used. Helm is generally better for sharing packages publicly (like Redis), while Kustomize is often favored for internal company applications where templates feel too complex.

Where does Helm store its memory of previous Releases?

In Helm v3, the state of your Releases is stored directly inside the Kubernetes cluster as `Secret` objects in the same namespace where the application is deployed. This eliminated the need for 'Tiller' (a server-side component required in Helm v2 that was a massive security risk).

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Helm & Package Management

Master Helm, the industry standard for Kubernetes deployments. Understand the architecture of a Helm Chart, how the Go Templating engine evaluates values.yaml, and how to utilize public chart repositories.

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