install

Additional install commands

macOS

Homebrewverified · 100%

brew install kustomizer

local Homebrew formula metadata

overview

Package summary

Package manager for distributing Kubernetes configuration as OCI artifacts

Project links

Commands and aliases

kustomizer

history

Project history and usage

Kustomizer is a Kubernetes configuration package manager built around the idea that manifests can be distributed as OCI artifacts in the same registries used for container images.

Project history

The project was created by Stefan Prodan as an experimental package manager for publishing, fetching, diffing, customizing, validating, applying, and pruning Kubernetes resources. Its v2 line centered the tool on packaging Kubernetes configs as OCI artifacts, with signing through cosign and encryption through age.

Adoption history

Kustomizer's adoption story is tied to Kubernetes supply-chain and GitOps workflows rather than to a broad plugin ecosystem. The v2.2.0 release explicitly added Flux v2-compatible OCI artifacts, and the official Flux guide shows a workflow where CI publishes an artifact and Flux pulls and reconciles it inside the cluster.

How it is used

Users build and push Kubernetes manifests to OCI registries, tag and inspect artifacts, and apply those artifacts into clusters. The command reference and Flux guide emphasize registries such as GHCR, Docker Hub, ACR, ECR, GCR, Artifactory, and self-hosted registries.

Why package nerds care

Kustomizer is notable because it treats Kubernetes configuration like a package artifact: content-addressed, signable, encryptable, and transportable through standard OCI registry infrastructure. That makes it part of the broader move to use OCI registries for more than container images.

Timeline

v2.0.0: Added OCI artifact distribution, push/pull, cosign verification, age encryption, and deployment from artifacts.
v2.2.0: Added Flux v2-compatible OCI artifacts and an official Flux deployment guide.

Related projects

Kustomizer builds on Kubernetes server-side apply and overlaps operationally with Flux, kustomize, cosign, age, and OCI-compatible container registries.

Sources

security posture

Risk level: orange

infrastructure mutation or orchestration signal.

Risk classifier

orange risk · medium confidence · infrastructure

Why

infrastructure mutation or orchestration signal

Signals

text:package manager,kubernetes

Install behavior

No Homebrew bottle metadata was recorded.

Recommended review

Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.

executables

Installed executables

Command	Kind	Exposure	Note
`kustomizer`	executable	indexed executable	Discovered from the local executable index.

freshness

Version and freshness

These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.

page generated2026-08-03

manager version2.2.1

manager updated2026-07-27

local dataunknown

upstreamnot available

latest detectednot detected

okNo freshness warnings were generated.

install metadata

Package metadata

Package key	brew:kustomizer
Version	2.2.1
Package manager	Homebrew
Homepage	https://kustomizer.dev
Repository	https://github.com/stefanprodan/kustomizer
Last updated	2026-07-27T21:58:48+02:00
Pulse	updated
Bottle	not recorded
Service	none declared

package graph

Links come from deterministic package relationships, av.db category and tag curation, ecosystem matches, and package hub membership.

source trail

Generated from repository data

This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.

Combined YAML source

View the package source record on GitHub.

combined/kustomizer.yml

Used sources

Geiger risk classifier
cross-ecosystem install command graph
curated package history
pkg.so package database
pkgdb category and tag curation

Install kustomizer with Homebrew