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https://github.com/DevOpsHiveHQ/awesome-kustomize

A curated and collaborative list of awesome Kustomize resources
https://github.com/DevOpsHiveHQ/awesome-kustomize

List: awesome-kustomize

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A curated and collaborative list of awesome Kustomize resources

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# Awesome Kustomize [![Awesome](https://raw.githubusercontent.com/sindresorhus/awesome/main/media/badge.svg)](https://github.com/sindresorhus/awesome) [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](https://github.com/aabouzaid/awesome-kustomize/compare)





  

    

  




> A curated and collaborative list of awesome Kustomize resources.



[Kustomize](https://kustomize.io) introduces a template-free way to customize Kubernetes manifests. It's extensible and uses a purely declarative approach to configuration customization, which will help you efficiently manage your Infrastructure as a code (IaC).



Contributions are welcome, add links through [pull requests](https://github.com/aabouzaid/awesome-kustomize/pulls) or create an issue to start a discussion.



## Contents



- [Overview](#overview)

- [Plugins](#plugins)

  - [Generators](#generators)

  - [Transformers](#transformers)

  - [Validators](#validators)

- [Guides](#guides)

  - [Novice](#novice)

  - [Intermediate](#intermediate)

  - [Advanced](#advanced)

  - [Tips \& Tricks](#tips--tricks)

- [Misc](#misc)

- [Related lists](#related-lists)



## Overview



Kustomize works as a standalone binary; also, it's built into `kubectl` (since v1.14). It can be used with off-the-shelf applications like **Helm charts**. Also, it has a deep integration with different **GitOps** tools like ArgoCD, Flux, and many others.



## Plugins



Kustomize has 3 types of plugins `generator`, `transformer`, and `validator`.



> Note

>

> If you are a plugin developer, it's highly recommended to support the new plugins standard

> [KRM function](https://github.com/kubernetes-sigs/kustomize/blob/master/cmd/config/docs/api-conventions/functions-spec.md).



### Generators



- [Secretize](https://github.com/bbl/secretize) - Generating Kubernetes Secret from various sources. It's like a swiss army knife, but for Kubernetes secrets (Exec).

- [SopsSecretGenerator](https://github.com/goabout/kustomize-sopssecretgenerator/) - Generating Secrets from sops-encrypted files (Exec, Exec KRM).

- [KSops](https://github.com/viaduct-ai/kustomize-sops) - Generating Secrets from sops-encrypted files (Exec).

- [PolicyGenerator](https://github.com/open-cluster-management-io/policy-generator-plugin) - Generating Open Cluster Management policies (Exec).

- [KRMFfnBuiltin](https://github.com/kaweezle/krmfnbuiltin) - Running builtin generators transformers (Exec).

- [Merger](https://github.com/aabouzaid/kustomize-plugin-merger) - Generating manifests seamlessly by extending Kustomize merge strategies using schemaless StrategicMerge (Containerized KRM, Exec KRM).



### Transformers



- [HelmValuesTransformer](https://github.com/openinfradev/kustomize-helm-transformer) - Transforming values in HelmRelease CustomResource. It helps to manage a lot of HelmRelease's value in single transformer file (Exec).

- [TemplateTransformer](https://github.com/joshdk/template-transformer) - Providing a set of KRM Functions to run builtin transformers in place (Containerized KRM, Exec KRM).



### Validators



- [KubeconformValidator](https://github.com/aabouzaid/kustomize-kubeconformvalidator) - Validating Kubernetes manifests using embedded Kubeconform (Containerized KRM, Exec KRM).



## Guides



Kustomize guides based on their level or type like 📰 Article, 📺 Video, 🧪 Lab.



### Novice



- 📰 [Declarative Management of Kubernetes Objects Using Kustomize](https://kubernetes.io/docs/tasks/manage-kubernetes-objects/kustomization/) - The official Kubernetes documentation task for Kustomize.

- 📰 [Configure Kubernetes with Kustomize](https://cloud.google.com/anthos-config-management/docs/concepts/kustomize) - A guide helps to get started with Kustomize, understand its intended use cases, and find resources for using it with other Google Cloud tools.

- 📺 [Organizing the YAML mess with Kustomize](https://www.youtube.com/watch?v=1fCAwFGX38U) - A talk shows how Kustomize could help to manage Kubernetes YAML files with a growing number of services and environments.

- 📺 [Kustomize: Deploy Your App with Template Free YAML](https://www.youtube.com/watch?v=ahMIBxufNR0) - A talk introduces Kustomize, a declarative application management system, that allows deployments to be described as template free YAML.



### Intermediate



- 🧪 [ArgoCD GitOps Tutorial - Working with Kustomize](https://redhat-scholars.github.io/argocd-tutorial/argocd-tutorial/03-kustomize.html) - A hands-on lab covers using Kustomize in GitOps and it goes through the Kustomize syntax and deploying a Kustomized application.

- 📰 [3 ways to customize off-the-shelf Helm charts with Kustomize](https://tech.aabouzaid.com/2020/09/3-ways-to-customize-off-the-shelf-helm-charts-with-kustomize-kubernetes.html) - A guide covers 3 different ways to use Kustomize and Helm together.



### Advanced



- 📰 [Advanced Kustomize features](https://www.innoq.com/en/blog/advanced-kustomize-features/) - A guide covers more than 5 advanced Kustomize capabilities.

- 📰 [Set OpenAPI patch strategy for Kubernetes Custom Resources](https://tech.aabouzaid.com/2022/11/set-openapi-patch-strategy-for-kubernetes-custom-resources-kustomize.html) - A guide shows how to provide schema to control the patch strategy of the CRDs.

- 📺 [Customizing Kustomize with Client-Side Custom Resources](https://www.youtube.com/watch?v=YlFUv4F5PYc) - A talk covers extending Kustomize via plugins to address common yet idiosyncratic application needs.

- 📺 [Own your YAML: extending Kustomize via Plugins](https://www.youtube.com/watch?v=Xoh_OpLoVtI) - A talk shows how to create custom resources using Kustomize external plugins.

- 📰 [Kustomize Enhancement with KRM Functions](https://www.innoq.com/en/blog/kustomize-enhancement-with-krm-functions/) - A detailed guide covers KRM concept and how to use it in Kustomize plugins.



### Tips & Tricks



- 📰 [Delete a manifest from a Kustomize base](https://tech.aabouzaid.com/2021/05/delete-a-manifest-from-kustomize-base.html) - A handy way to delete named manifest using Kustomize patch.

- 📰 [Apply Kustomize builtin transformers on a single resource](https://tech.aabouzaid.com/2022/04/apply-kustomize-builtin-transformers-on-a-single-resource.html) - A way to use internal transformers on specific resources.

- 📰 [Pass extra data to the Containerized KRM function](https://tech.aabouzaid.com/2022/12/pass-extra-data-to-the-containerized-krm-function.html) - Different cases of share data with Containerized KRM function.



## Misc



- [Asdf-kustomize](https://github.com/Banno/asdf-kustomize) - Kustomize plugin for asdf version manager.



## Related lists



- [Awesome Kubernetes](https://github.com/ramitsurana/awesome-kubernetes) - A curated list of awesome Kubernetes resources.

- [Awesome Kubectl plugins](https://github.com/ishantanu/awesome-kubectl-plugins) - A curated list of awesome Kubectl plugins.

- [Awesome Helm](https://github.com/cdwv/awesome-helm) - A curated list of awesome Helm charts and resources.