Introduction to Helm

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Table of Contents

1. Introduction to Helm


2. Installing Helm

  • Installing Helm on Linux
  • Installing Helm on Windows
  • Verifying Helm Installation

3. Helm Core Concepts

  • Charts
  • Releases
  • Repositories
  • Values
  • Templates
  • Chart Dependencies

4. Working with Helm Charts

Helm Repositories

  • Adding a Repository
  • Updating Repositories
  • Listing Repositories
  • Searching Charts

Installing Applications

  • Installing a Chart
  • Installing with Custom Values
  • Installing into a Specific Namespace

Managing Releases

  • Listing Releases
  • Viewing Release History
  • Upgrading a Release
  • Rolling Back a Release
  • Uninstalling a Release

5. Working with values.yaml

  • Understanding values.yaml
  • Customizing values
  • Overriding values using CLI
  • Environment-based values files

6. Helm Chart Development

Creating a Chart

  • Creating a new Helm chart
  • Helm chart directory structure
  • Chart.yaml explained

Helm Templates

  • Template syntax
  • Variables and pipelines
  • Functions
  • Conditionals
  • Loops
  • Template helpers

7. Helm Chart Testing and Debugging

  • helm lint
  • helm template
  • helm install –dry-run
  • Helm debugging techniques

8. Helm Dependency Management

  • Adding dependencies
  • Updating dependencies
  • Using Chart.yaml dependencies

9. Helm Security and Secrets

  • Managing secrets
  • Using external secret tools
  • Helm secrets plugin
  • Security best practices

10. Helm Best Practices

  • Chart versioning
  • Values file management
  • Reusable templates
  • Environment separation
  • Production deployment guidelines

11. Helm in CI/CD

  • Using Helm in GitLab CI/CD
  • Using Helm with ArgoCD
  • Helm with GitOps workflows

12. Helm vs Other Tools

  • Helm vs Kustomize
  • Helm vs Terraform
  • When to use Helm

13. Helm Troubleshooting

  • Common Helm errors
  • Failed release recovery
  • Debugging template issues

14. Helm Commands Cheat Sheet

  • Common Helm commands
  • Helm quick reference

Official Helm Documentation

https://helm.sh