Helm charts concept in Kubernetes - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is a Helm chart in Kubernetes?

A Helm chart is a package that contains all the files needed to create a Kubernetes application. It helps you install, upgrade, and manage apps easily.

beginner

What are the main parts of a Helm chart?

A Helm chart has templates (YAML files), a Chart.yaml file (metadata), and values.yaml (default settings). These parts work together to define the app and its configuration.

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How does Helm use values.yaml?

values.yaml holds default settings for the app. You can change these values when installing or upgrading to customize the app without changing the templates.

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What command installs a Helm chart into a Kubernetes cluster?

The command is helm install RELEASE_NAME CHART_NAME. It deploys the app using the chart and creates Kubernetes resources.

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Why use Helm charts instead of plain Kubernetes YAML files?

Helm charts let you reuse, share, and manage apps easily. They handle complex setups with templates and values, saving time and reducing errors.

What file in a Helm chart contains the app's metadata?

A templates/deployment.yaml

B values.yaml

C Chart.yaml

D README.md

Chart.yaml holds metadata like the chart name, version, and description.

Which Helm command installs a chart into your Kubernetes cluster?

A helm delete

B helm create

C helm update

D helm install

helm install deploys the chart as a release in the cluster.

What is the purpose of the values.yaml file in a Helm chart?

A To store default configuration values

B To define Kubernetes resource templates

C To list Helm chart dependencies

D To describe the chart metadata

values.yaml holds default settings that can be customized during install or upgrade.

How do Helm charts help manage Kubernetes apps?

A By monitoring cluster health

B By providing reusable templates and easy upgrades

C By storing container images

D By replacing Kubernetes entirely

Helm charts use templates and values to simplify app deployment and upgrades.

Which folder in a Helm chart contains Kubernetes resource templates?

A templates

B charts

C config

D bin

The templates folder holds YAML files that define Kubernetes resources.

Explain what a Helm chart is and why it is useful in Kubernetes.

Think about how Helm helps manage complex Kubernetes apps.

Describe the main files and folders inside a Helm chart and their roles.

Consider what each part controls in the app deployment.