Patches Dictionary

Source: https://notes.kodekloud.com/docs/CKA-Certification-Course-Certified-Kubernetes-Administrator/2025-Updates-Kustomize-Basics/Patches-Dictionary/page

Summary: Learn to update, add, and remove keys in Kubernetes deployment configurations using JSON 6902 and strategic merge patches with step-by-step examples.

Related Notes

• KodeKloud CKA Index
• CKA Index
• Previous: Overlays
• Next: Patches Intro

Key Notes

• In this lesson, you’ll learn how to update, add, and remove keys in a Kubernetes deployment configuration using both JSON 6902 patches and strategic merge patches. The step-by-step examples provided below will help you understand the process and decide which patching method best fits your configuration management needs.
• ──────────────────────────────────────────────
• Updating a Key with a JSON 6902 Patch
• component: api
• component: web
• apps/v1
• kustomization.yaml
• |
• • op: replace
• path: /spec/template/metadata/labels/component
• value: web
• /spec/template/metadata/labels/component
• Updating a Key with a Strategic Merge Patch
• Adding a New Key Using a JSON 6902 Patch
• org: KodeKloud
• • op: add
• path: /spec/template/metadata/labels/org
• value: KodeKloud
• In this patch:
• /spec/template/metadata/labels/org
• Adding a New Key with a Strategic Merge Patch
• Removing a Key Using a JSON 6902 Patch
• • op: remove
• Removing a Key with a Strategic Merge Patch