Kustomize vs Helm

Question 1

What problem does Helm solve in this lecture comparison with Kustomize

Answer 1

Helm can also customize Kubernetes manifests for different environments by replacing template variables with environment specific values

Question 2

How does Helm represent changeable values inside Kubernetes manifests

Answer 2

Helm uses Go templating syntax with double curly braces to place variables inside template files

Question 3

In the Helm example what does the variable replicaCount control

Answer 3

The replicaCount variable controls the value inserted into the replicas field of the Deployment

Question 4

Where does Helm get the values that replace template variables

Answer 4

Helm gets variable values from a values yaml file

Question 5

In the Helm example how is the container image tag customized

Answer 5

The template refers to an image tag variable and the actual version value is provided in the values yaml file

Question 6

What folder usually contains the templated Kubernetes manifests in a Helm project

Answer 6

The templates directory usually contains the Kubernetes manifests with Helm variables in them

Question 7

How can Helm support different environments like dev staging and prod

Answer 7

You can keep a separate values file for each environment such as values dev yaml values staging yaml and values prod yaml

Question 8

When deploying with Helm how do environment specific settings get applied

Answer 8

You choose the values file for the target environment and Helm inserts those values into the templates during deployment

Question 9

What makes Helm more than just an environment customization tool

Answer 9

Helm is also a package manager for Kubernetes applications and helps manage installation upgrades and releases

Question 10

What extra capabilities does Helm provide that Kustomize does not focus on

Answer 10

Helm provides features such as conditionals loops functions and hooks

Question 11

What is one downside of Helm templates compared with Kustomize files

Answer 11

Helm templates can become harder to read because the files include Go templating syntax instead of plain YAML only

Question 12

Why are Helm template files not considered plain valid YAML on their own

Answer 12

Because they contain template expressions that must be rendered before they become normal Kubernetes YAML

Question 13

What is one major readability advantage of Kustomize over Helm

Answer 13

Kustomize keeps both base files and overlays as plain readable YAML without adding a separate templating language

Question 14

What is the main trade off between Helm and Kustomize according to the lecture

Answer 14

Kustomize is simpler and easier to read while Helm is more powerful but also more complex

Question 15

How should you choose between Helm and Kustomize for a project

Answer 15

You should choose based on whether your project needs the simplicity of plain YAML or the extra features and package management capabilities that Helm provides