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Helm Deep Dive

dn.dev/helmdeepdive

Homework dn.dev/helm-tutorial

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Upcoming DevNation Schedule

dn.dev/helmdeepdive

@burrsutter

• burr@redhat.com
• Featured speaker at technology events around the globe
• Java Champion since 2005
• Former President of the Atlanta Java User Group
• Founded the DevNexus conference
• Always looking for technologies that enable developers to deliver better software ever faster

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dn.dev/helmdeepdive

@yanaga

dn.dev/helmdeepdive

Natale Vinto

$ oc whoami

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Developer Advocate for OpenShift, helping people within communities and customers having success with their Kubernetes and Cloud Native strategy.

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Love Free and Open Source software, Blues 🎸 and coffee ☕

@natalevinto

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OpenShift.TV Coffee Break Bi-Weekly on Wed 10 AM CEST

dn.dev/helmdeepdive

Alex Soto (lordofthejars.com)

• @alexsotob
• asotobue@redhat.com
• Currently Red Hat’s Director of Developer Experience
• Featured speaker at technology events around the globe
• A Java Champion since 2017
• Writer, University Professor, Radio collaborator
• A big fan of testing and continuous delivery in 21st century

dn.dev/helmdeepdive

Alex Survey Link

https://www.surveymonkey.com/r/JFR7VSC

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Sebastien Blanc

• @sebi2706
• sblanc@redhat.com
• Currently Red Hat’s Director of Developer Experience
• Featured speaker at technology events around the globe
• Java Champion
• Co-organizer of Riviera DEV
• Passion-Driven-Developer with one goal : share his �passion by giving talks that are pragmatic, fun and �focused on live coding

dn.dev/helmdeepdive

• Developer Advocate at Red Hat
• Java Champion
• Board Member at SouJava
• Featured speaker at developers conferences around the world
• Helps Java developers to build and deliver awesome applications

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@elderjava

eldermoraes.com/join

dn.dev/helmdeepdive

• Developer Advocate at Red Hat
• Java Champion
• Board Member at SouJava
• Featured speaker at developers conferences around the world
• Helps Java developers to build and deliver awesome applications

Elder Moraes

instagram.com/eldermoraes

dn.dev/helmdeepdive

Cedric Clyburn

$ whoami

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OpenShift Developer Advocate at Red Hat.

Love Kubernetes ☸️ , Open Source Software, and Video Creation 🎥

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@cedricclyburn

cedricclyburn

Red Hat Developer Getting Started Series

dn.dev/helmdeepdive

Elder Survey Link

https://www.surveymonkey.com/r/K2R7SPK

dn.dev/helmdeepdive

Ana Mihalceanu

• @ammbra1508
• Currently Developer Advocate at RedHat
• Java Champion and Certified Architect
• Co-founder of Bucharest Software Craftmanship Community
• Featured speaker at technology events around the globe
• Loving to solve challenging technical scenarios that involve Java-based frameworks and multiple cloud providers

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dn.dev/helmdeepdive

• Developer Advocate @ Red Hat
• open-source enthusiast
• 4x Confluent Community Catalyst
• MongoDB Champion since 2020
• speaker at tech & dev conferences
• Email: hgrahsl@redhat.com

Hans-Peter Grahsl

“I’m passionate about event-driven architectures, distributed stream processing systems and data engineering.”

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dn.dev/helmdeepdive

What’s your Helm level?

https://www.menti.com/poifz5d6iv

The package manager for Kubernetes

HELM.SH

dn.dev/helmdeepdive

• Helm Charts Basic
• Setup your first charts
• Chart per service approach
• Leader chart approach

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Agenda (Basics)

dn.dev/helmdeepdive

OpenShift Developer Sandbox!

Get free access for renewable 30 days to a self-service, cloud-hosted Kubernetes experience with Developer Sandbox for Red Hat OpenShift.

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developers.redhat.com/developer-sandbox

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OpenShift Developer Sandbox!

developers.redhat.com/developer-sandbox

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When signing up, use this code: 7skjf

Love the Mono

Vintage approach Modern approach

dn.dev/helmdeepdive

The story of a microservice

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Application Code

Docker file

Kubernetes YAML

dn.dev/helmdeepdive

Why Helm?

templates

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Manage multiple Kubernetes configurations

Deploy many configs as a SINGLE application

Parametrize for multiple environments support

dn.dev/helmdeepdive

Charts, Repositories, Releases

Chart: a bundle of information necessary

to create an instance of a Kubernetes application.

Repository: a collection of released charts.

Release: a running instance of a chart,

combined with a specific configuration.

dn.dev/helmdeepdive

• install: Install a chart (helm install mychart)
• get, status, list: find information about charts (helm list)
• repo add, list, remove, index: helm repositories management
• search: find charts in repositories
• create, package: create and package charts.

Helm commands

dn.dev/helmdeepdive

This is a Live Code Session

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Free Resources

dn.dev/helmdeepdive

dn.dev/k8spatterns1

dn.dev/helmdeepdive

dn.dev/knative-cookbook

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Thank you

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https://developers.redhat.com/cheat-sheets/writing-kubernetes-operator-java/

https://developers.redhat.com/cheat-sheets/quarkus-kubernetes-i/

https://developers.redhat.com/cheat-sheets/quarkus-kubernetes-ii/

dn.dev/helmdeepdive

Resources

dn.dev/knative-tutorial

dn.dev/kubernetes-tutorial

dn.dev/istio-tutorial

dn.dev/helm-tutorial

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dn.dev/helmdeepdive