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brew

Install kustomizer with Homebrew

Package manager for distributing Kubernetes configuration as OCI artifacts. Version 2.2.1 via Homebrew; verified 2026-06-15.

Install commandSecurity notes

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

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.

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 post-install hook is recorded in formula metadata.
  • Homebrew bottle metadata is available for 6 platform targets.
  • Build metadata lists 1 build dependencies.

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

CommandKindExposureNote
kustomizercliglobal executable

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 generated2026-07-08
manager version2.2.1
manager updated2026-06-15
local dataok
upstreamcurrent
latest detectedv2.2.1

https://github.com/stefanprodan/kustomizer

  • okNo freshness warnings were generated.

install metadata

Package metadata

Package keybrew:kustomizer
Version2.2.1
Package managerHomebrew
Package manager pagehttps://formulae.brew.sh/formula/kustomizer
Homepagehttps://kustomizer.dev
Repositoryhttps://github.com/stefanprodan/kustomizer
Upstream docshttps://kustomizer.dev/
LicenseApache-2.0
Source archivehttps://github.com/stefanprodan/kustomizer/archive/refs/tags/v2.2.1.tar.gz
Last updated2026-06-15T10:20:20-04:00
Pulseupdated
Build dependenciesgo
Bottleavailable (on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux)
Homebrew post-installnot defined
Servicenone declared

registry facts

Source database details

Source DatabaseHomebrew formula API
Taphomebrew/core
Full Namekustomizer
Version Scheme0
Revision0
Head VersionHEAD
Bottle Stable Root URLhttps://ghcr.io/v2/homebrew/core
Deprecatedno
Disabledno
Keg Onlyno
URL Keys
  • head
  • stable

package graph

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

Related tools

  • goBuild dependency declared by Homebrew.

Same workflow

  • kustomizeShares av.db curated category or tags: cli, cloud-infrastructure, configuration, kubernetes, kubernetes-configuration.
  • glasskubeShares av.db curated category or tags: cli, cloud-infrastructure, kubernetes, package-manager.
  • helmShares av.db curated category or tags: cli, cloud-infrastructure, kubernetes, package-manager.
  • kconfShares av.db curated category or tags: cli, cloud-infrastructure, configuration, kubernetes.
  • kubetrimShares av.db curated category or tags: cli, cloud-infrastructure, configuration, kubernetes.
  • namlShares av.db curated category or tags: cli, cloud-infrastructure, configuration, kubernetes.

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.

Used sources

  • Geiger risk classifier
  • Nucleus package database
  • av.db category and tag curation
  • cross-ecosystem install command graph
  • curated package history
  • package relationship graph
  • package version freshness
  • package-page enrichment