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Workshop » Helm basics

Helm is a tool that streamlines installing and managing Kubernetes applications. Think of it like apt/yum/homebrew for Kubernetes.

  • Helm manages releases (installations) of your charts - templates of kubernetes objects.
  • Helm runs on your laptop, CI/CD, or wherever you want it to run.
  • Charts are Helm packages that contain at least two things:
    • A description of the package (Chart.yaml)
    • One or more templates, which contain Kubernetes manifest files
  • Charts can be stored on disk, or fetched from remote chart repositories (same as Debian or RedHat packages)

This guide covers how you can quickly get started using Helm.

Prerequisites

The following prerequisites are required for a successful and properly secured use of Helm.

  1. A Kubernetes cluster
  2. Preconfigured container used for task in previous task: Instructions
  3. Installed helm client (already installed in the container)

Introduction

In this tasks we will cover installing DokuWiki software into k8s cluster from official chart available here.

The chart provides multiple configuration options. For the purpose of the following tasks, we will use change few of them.

All configuration values are available here.

Tasks

Next: Custom Helm