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( Duration: 2 Days )

The Helm training course provides skills to understand and work with the Helm Kubernetes package manager. The course begins with a journey through understanding why Helm exists and its purpose. You will then navigate a path towards how to work with Helm, including building charts, publishing them, using them to release and manage Kubernetes workloads. The course concludes with exploring the various capabilities Helm offers via its CLI and otherwise.

You should have knowledge and experience working with Kubernetes. This includes understanding common resources and usage of things like Deployments, Config Maps, Secrets, Pods, Container Spec, etc. You should also have a comfort level working with the command line.

By attending Helm workshop, delegates will learn to:

  • Create Helm charts and describe features and practices of chart source code.
  • Explain how Helm charts are commonly distributed, stored, and work with Helm chart repositories.
  • Define the architecture of Helm, where it is today, where it’s headed, and the differences between versions.
  • Utilize the various features including packaging charts, installing and using plugins, installing and upgrading charts.
  • Evaluate and utilize development and testing strategies around Helm charts.
  • Rundown of Helm security - Role Based Access Control resources, Tiller, namespaces, and best practices.

  • Developers, Service Owners and Operations who would like to learn more about Helm.



An Intro to Helm

  • Why does Helm exist and what does it solve?
    • Templating Kubernetes resources
    • Packaging related resources together
    • Reusability

How Helm is Architected

  • A first look at the CLI
  • Initializing Helm: the client and Tiller, the server
  • The three parts of Helm
    • Charts: Templated Definitions of Kubernetes Resources
    • Config: Install/Upgrade time values
    • Releases: Charts and Config put together to run stuff in the Cluster

Building Your First Chart

  • A look at all the things that make up a chart
    • Chart metadata and info
    • Variables
    • Templates
    • Dependencies
  • Best Practices when Developing Charts
    • General conventions
    • Avoiding Gotchas including preparing for the best overrides support possible
    • Templating practices including working with Go templates, Sprig, and the other pieces that Helm templates support
  • Packaging up a chart, preparing to be distributed

Chart Distribution, Repos, Publishing, and Using Published Charts

  • What is a Helm chart repo and what distribution options are available?
    • Cloud provider options
    • Chart Museum
  • A quick look at OCI (Registry v2) support in Helm 3
  • The primary, official Helm stable charts repo and some other common ones where you can find community charts

Installing and Using the Helm CLI

  • Revisiting initializing Helm
  • A deeper look at both the client and Tiller
  • Securing Helm via TLS certs and some alternative strategies for how and where Helm can be run
  • Kubernetes RBAC resources and Helm
    • Service Accounts and other RBAC resources
    • a Helm per namespace as a pattern
  • Managing Known Client Repos
  • Working with and Managing Common Plugins
    • Helm S3
  • Using the CLI to Manage Releases
    • Installing/Upgrading
    • Rolling Back and Addressing Failure Cases
    • Inspecting both Charts and Releases
  • How to Test it all?
    • Helm hook-based testing
    • The unitest plugin
    • conftest and OPA as a possible alternative testing strategy
    • The helm template command
  • Bypassing Tiller and Helm release management entirely and just leveraging the power of Helm as a templating and packaging utility
  • A look at the remaining CLI commands available

A Deep Dive Into More Complex Template Scenarios

  • Maximizing reusability via helpers
  • Navigating Go templates, Sprig, and Helm templating with grace
  • Looking at loops and other various more-complex syntax cases in templates

Putting it All Together and Where to Go Next

  • Operations around managing the release of many charts that make up your platform in a cluster or even many clusters
  • Differences in Helm versions and architecture – what changed and why

Encarta Labs Advantage

  • One Stop Corporate Training Solution Providers for over 6,000 various courses on a variety of subjects
  • All courses are delivered by Industry Veterans
  • Get jumpstarted from newbie to production ready in a matter of few days
  • Trained more than 50,000 Corporate executives across the Globe
  • All our trainings are conducted in workshop mode with more focus on hands-on sessions

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