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Kubernetes Helm Charts: A Comprehensive Guide

Helm simplifies the deployment and management of Kubernetes applications by providing a package manager with templating capabilities.

mysimulator teamUpdated June 2026≈ 3 min read▶ Open the simulation

Kubernetes Helm Charts: A Comprehensive Guide

Helm is a package manager for Kubernetes, enabling you to bundle, version, and install Kubernetes applications. It simplifies the management of complex applications through templates and values.

A chart is a Helm package containing all the necessary Kubernetes resources to run an application (deployments, services, configmaps, etc.).

Values: {{ .value | quote }}

{{- toYaml .Values.resources | nindent 12 }}

initialDelaySeconds: 30

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{{- define "myapp.selectorLabels" -}}

app.kubernetes.io/name: {{ include "myapp.name" . }}

app.kubernetes.io/instance: {{ .Release.Name }}

Frequently asked questions

How do I install the bitnami PostgreSQL chart using Helm?

helm install postgresql bitnami/postgresql

Can I specify a version when installing the PostgreSQL chart with Helm?

Yes, you can use the `--version` flag to specify the desired PostgreSQL version, such as `helm install postgresql bitnami/postgresql --version 12.1.0`.

What are Dependencies (Subcharts) in Helm charts?

Dependencies (subcharts) represent other Helm charts that your chart relies on to function correctly, allowing for modular application deployments.

Can Helm Charts depend on other Helm charts?

Yes, Helm Charts can depend on other charts as subcharts, creating a hierarchical dependency structure for complex applications.

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