awesome-awesomeness/terminal/kustomize4

               Awesome Kustomize !Awesome (https://raw.githubusercontent.com/sindresorhus/awesome/main/media/badge.svg) (https://github.com/sindresorhus/awesome) !PRs Welcome 
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▐ 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.