kubebuilder ☆
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Description:
SDK for building Kubernetes APIs using CRDs
Type: Formula  |  Latest Version: 4.10.1@0  |  Tracked Since: Dec 25, 2025
Links: Homepage  |  GitHub  |  Docs  |  formulae.brew.sh
Stars: 8,899  |  Forks: 1,614  |  Language: Go  |  Category: Devops
Tags: kubernetes go sdk crd operator-framework devops
Install: brew install kubebuilder
About:
Kubebuilder is a comprehensive SDK and framework for building Kubernetes APIs using Custom Resource Definitions (CRDs). It provides a set of tools and libraries to generate boilerplate code, manage project scaffolding, and streamline the development of controllers and webhooks. Its main value is accelerating the creation of production-grade Kubernetes operators and extensions.
Key Features:
  • Scaffolds project structure and boilerplate code
  • Generates CRDs, controllers, and webhook logic
  • Integrated testing framework for operators
  • Manages API versioning and conversion
  • Simplifies RBAC and manifest generation
Use Cases:
  • Developing custom Kubernetes operators
  • Extending the Kubernetes API with new resource types
  • Building and maintaining production-grade controllers
Alternatives:
  • Operator SDK – Another popular framework for building operators, often used alongside Kubebuilder; Kubebuilder is now the core of Operator SDK's Go scaffold.
  • KUDO – Focuses on declaratively building operators for packaging complex applications, whereas Kubebuilder is a lower-level SDK for custom API development.
Version History
Detected Version Rev Change Commit
Dec 25, 2025 8:22pm 4.10.1 0 VERSION_BUMP b7abd4c6
Oct 10, 2025 1:10am 0 VERSION_BUMP af284f17
Sep 22, 2025 11:11am 0 VERSION_BUMP c64b017a
Sep 12, 2025 9:27am 0 VERSION_BUMP 23606514
Jan 12, 2025 2:15pm 0 VERSION_BUMP 465042bb
Jan 12, 2025 2:02pm 0 VERSION_BUMP d003a890
Dec 15, 2024 12:52pm 0 VERSION_BUMP f4bc7bd6
Nov 9, 2024 1:19pm 0 VERSION_BUMP 6db36e38
Nov 9, 2024 12:39pm 0 VERSION_BUMP 5694d85d
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