kustomize ☆
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Description:
Template-free customization of Kubernetes YAML manifests
Type: Formula  |  Latest Version: 5.8.0@0  |  Tracked Since: Nov 9, 2025
Links: Homepage  |  GitHub  |  formulae.brew.sh
Stars: 11,862  |  Forks: 2,351  |  Language: Go  |  Category: Devops
Tags: kubernetes devops yaml configuration-management gitops
Install: brew install kustomize
About:
Kustomize is a standalone tool for Kubernetes that enables template-free, declarative customization of YAML manifests. It allows users to manage application configurations across different environments (dev, staging, production) using overlays and bases without modifying original files. Its main value is providing a structured, GitOps-friendly way to handle Kubernetes configurations without relying on templating languages.
Key Features:
  • Declarative YAML customization without templates
  • Overlay and base pattern for environment-specific configurations
  • Native integration with kubectl via `kubectl kustomize`
  • Supports patches, name prefixes/suffixes, and common labels
  • Idempotent operations ensuring consistent outputs
Use Cases:
  • Managing Kubernetes configurations across multiple environments (e.g., dev, prod)
  • Customizing off-the-shelf Helm charts or community manifests without forking
  • Implementing GitOps workflows by versioning kustomization.yaml files
Alternatives:
  • Helm – Uses templating for customization, whereas Kustomize is template-free and declarative
  • ksonnet – Also template-based and now deprecated, while Kustomize remains actively maintained
Version History
Detected Version Rev Change Commit
Dec 26, 2025 1:52pm 5.8.0 0 VERSION_BUMP c4f894a2
Nov 9, 2025 5:06pm 0 VERSION_BUMP f1ddc4d1
Jan 14, 2025 5:01pm 0 VERSION_BUMP b4353143
Oct 9, 2024 4:28pm 0 VERSION_BUMP d10b9dfb
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