kustomize vs kubecfg

kustomize

Customization of kubernetes YAML configurations (by kubernetes-sigs)

k8s-sig-cli HacktoberFest

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kubecfg

A tool for managing complex enterprise Kubernetes environments as code. (by vmware-archive)

Kubernetes kubernernetes-resources jsonnet infrastructure-as-code

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kustomize		kubecfg
	Project
28	Mentions	1
10,532	Stars	736
1.2%	Growth	-
9.2	Activity	4.9
7 days ago	Latest Commit	over 2 years ago
Go	Language	Go
Apache License 2.0	License	Apache License 2.0

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

kustomize

Posts with mentions or reviews of kustomize. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-01-07.

Building a Kubernetes Operator with the Operator Framework
10 projects | dev.to | 7 Jan 2024

kustomize: brew install kustomize
Kustomize deployment order
1 project | /r/kubernetes | 17 May 2023
Deploying helm charts with other resources
1 project | /r/ArgoCD | 30 Mar 2023
How and when to use Helm and Kustomize together
2 projects | /r/devops | 10 Mar 2023

It's a built in feature of kustomize https://github.com/kubernetes-sigs/kustomize/blob/master/api/types/helmchartargs.go
Alternatives to Helm?
11 projects | /r/kubernetes | 8 Mar 2023

I think the combination of Kustomize and helm works in my experience. For advanced use cases, you can also see KRM functions in Kustomize.
How to pass dynamic values to Kustomize?
1 project | /r/kubernetes | 19 Feb 2023

See for instance a related issue: https://github.com/kubernetes-sigs/kustomize/issues/3866
Help with Kustomize: cleanest way to replace an environment variable in a pod or deployment?
1 project | /r/kubernetes | 17 Feb 2023

Using a strategic merge is the safest way so you avoid the index fragility.
Helm makes it overly complex, or is it just me?
9 projects | /r/kubernetes | 17 Jan 2023

Rendering out the manifests is something I have been pushing for. Not having to understand how every templating tool works and what actually is being changed is key. Though, it gets complicated when you use helm (or any templating/patching tool) that produces many variants. You also lose any release/deployment time hooks that are provided (helm hooks or recently "patched" kustomize env variables).
Deployment with ArgoCD & secrets in helm chart
2 projects | /r/kubernetes | 23 Dec 2022

https://github.com/kubernetes-sigs/kustomize/blob/master/examples/chart.md (edit: oh I see the other commenter also included this link, oops)
Monokle, Kustomize & Quality Kubernetes Deployments
1 project | dev.to | 24 Nov 2022

Kustomize is an open-source project that “lets you customize raw, template-free YAML files for multiple purposes, leaving the original YAML untouched and usable as is.” It’s now the most popular tool for customizing Kubernetes manifests reasonably, and it’s even built directly into the Kubernetes CLI since K8s v1.14.

kubecfg

Posts with mentions or reviews of kubecfg. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-02-28.