LABINTERMEDIATE

Building Platform Custom Resource Definitions

Learn to extend Kubernetes with Custom Resource Definitions (CRDs) for platform abstractions.

45 minutes
platform-engineering/kubernetes
Building Platform Custom Resource Definitions - Platform Engineering Hands-On Lab Icon

Lab Overview

This hands-on lab teaches you to build Custom Resource Definitions that enable platform-level abstractions in Kubernetes.

You'll learn to:

  • Understand CRD structure and schema validation with OpenAPI v3
  • Create platform-specific CRDs for common infrastructure patterns
  • Implement validation webhooks for custom resources
  • Test and iterate on CRD designs for developer experience

Custom Resource Definitions are foundational to building platform abstractions that simplify infrastructure for development teams.

What You'll Learn

Understand CRD structure and OpenAPI validation schemas

Create platform CRDs with proper versioning

Implement validation for custom resources

Test CRD behavior with kubectl and client tools

Prerequisites

kubernetes-fundamentals

yaml-basics

Technologies Covered

crdscustom-resourceskubernetesplatform-engineeringapi-extensionscnpe

Part of a Course

This lab is part of the Certified Cloud Native Platform Engineer (CNPE) course

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Content & Learning

  • Access to all courses and bootcamps
  • Video lessons with closed captions
  • Interactive quizzes and assessments
  • Course completion certificates

Hands-On Labs

  • Browser-based cloud labs
  • Pre-configured VMs ready to use
  • Playgrounds for experiments
  • Multi-VM realistic scenarios

AWS Integration

  • Managed AWS Account included
  • Pre-configured environments
  • Real-world cloud scenarios

Support & Community

  • Priority support
  • Active community forum

No Setup Required

  • Everything runs in your browser
  • No software installation needed
  • Automatic environment provisioning
  • Works on any device

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