Day 49 - Custom Resource Definition (CRD, CR) Kubernetes (explained with Demo)

Video Description

Welcome to Day 49 of our CKA 2025 series - Custom Resource Definition in Kubernetes! Dive deep into the world of Kubernetes Custom Resource Definitions (CRDs) and Custom Resources (CRs). Have you ever needed to extend Kubernetes' capabilities to manage your own application-specific objects? CRDs are the answer! This video explains what CRDs and CRs are, why they are essential for building complex, operator-driven systems, and how they fit into the Kubernetes API. We'll walk through the concepts step-by-step and then jump into a practical demo showing you how to define, create, and manage your own custom objects within your Kubernetes cluster using YAML and kubectl. Understanding CRDs is a crucial skill for anyone working with cloud-native applications and building Kubernetes operators. What you'll learn in this video: * What Custom Resource Definitions (CRDs) and Custom Resources (CRs) are * The purpose and benefits of using CRDs to extend Kubernetes * How to define and create your own CRD * How to create instances of Custom Resources based on a CRD * Basic interaction with CRs using kubectl commands Enhance your Kubernetes skills and learn how to truly customize your clusters! If you found this video helpful, please like, share, and subscribe for more Kubernetes content! #Kubernetes #CRD #CustomResourceDefinition #K8s #DevOps Video Timestamps: 00:00 Welcome & Introduction to CRD/CR 00:45 What is a Custom Resource Definition (CRD)? 02:10 Why use CRDs? Extending the Kubernetes API 03:30 Understanding the CRD YAML Structure 05:00 Demo: Creating and Applying a CRD 07:15 What is a Custom Resource (CR)? 08:30 Understanding the Custom Resource YAML Structure 10:00 Demo: Creating and Managing a Custom Resource Instance 12:30 Interacting with CRs using kubectl 14:00 Recap of CRDs and CRs 15:10 Conclusion and Next Steps 15:45 Outro 2025 Labs from KodeKloud: https://kode.wiki/4d24Q9Z KodeKloud free playground: https://kode.wiki/4dRmXA1 👨‍💻 GitHub repo : https://github.com/piyushsachdeva/CKA-2024/tree/main/Resources/Day49-CustomResources 𝗖𝗢𝗠𝗣𝗟𝗘𝗧𝗘 COURSES 👌 It’s 🅵🆁🅴🅴 ⛳ ✅ Terraform Full Course For Beginners - #28daysofAZTerraform https://www.youtube.com/playlist?list=PLl4APkPHzsUUHlbhuq9V02n9AMLPySoEQ ✅ Certified Kubernetes Administrator (CKA) 2024 https://www.youtube.com/playlist?list=PLl4APkPHzsUUOkOv3i62UidrLmSB8DcGC ✅ 𝗔𝘇𝘂𝗿𝗲 𝗗𝗲𝘃𝗢𝗽𝘀 𝗭𝗲𝗿𝗼 𝘁𝗼 𝗛𝗲𝗿𝗼: https://www.youtube.com/playlist?list=PLl4APkPHzsUXseJO1a03CtfRDzr2hivbD ✅ 𝗔𝗭𝟵𝟬𝟬 𝗔𝘇𝘂𝗿𝗲 𝗙𝘂𝗻𝗱𝗮𝗺𝗲𝗻𝘁𝗮𝗹𝘀 𝗙𝘂𝗹𝗹 𝗖𝗼𝘂𝗿𝘀𝗲 https://www.youtube.com/playlist?list=PLl4APkPHzsUUOCWcjaXcH-WBVxCccZ4uO ✅ 𝗡𝗮𝗺𝗮𝘀𝘁𝗲 𝗚𝗼𝗼𝗴𝗹𝗲 𝗖𝗹𝗼𝘂𝗱 | 𝗚𝗖𝗣 𝗧𝘂𝘁𝗼𝗿𝗶𝗮𝗹 𝗳𝗼𝗿 𝗯𝗲𝗴𝗶𝗻𝗻𝗲𝗿𝘀, 𝗮 𝗰𝗼𝗺𝗽𝗹𝗲𝘁𝗲 𝗽𝗹𝗮𝘆𝗹𝗶𝘀𝘁 𝗳𝗼𝗿 𝘁𝗵𝗲 𝗔𝘀𝘀𝗼𝗰𝗶𝗮𝘁𝗲 𝗖𝗹𝗼𝘂𝗱 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 (𝗔𝗖𝗘) 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗘𝘅𝗮𝗺: https://www.youtube.com/playlist?list=PLl4APkPHzsUXvkDFARdrH2LMESVqeuH8W ✅ 𝗔𝘇𝘂𝗿𝗲 𝗗𝗮𝘁𝗮 𝗳𝘂𝗻𝗱𝗮𝗺𝗲𝗻𝘁𝗮𝗹𝘀 𝗗𝗣 𝟵𝟬𝟬 𝗳𝘂𝗹𝗹 𝗰𝗼𝘂𝗿𝘀𝗲 https://www.youtube.com/playlist?list=PLl4APkPHzsUUd4rzzHEpHMsyD5PbVWz1I ✅ 𝗝𝗲𝗻𝗸𝗶𝗻𝘀 𝗧𝘂𝘁𝗼𝗿𝗶𝗮𝗹 𝗳𝗼𝗿 𝗕𝗲𝗴𝗶𝗻𝗻𝗲𝗿𝘀 https://www.youtube.com/playlist?list=PLl4APkPHzsUV3pz6zRpFJe3A4wTM2Pjvv ✅ 𝟭𝟬𝘄𝗲𝗲𝗸𝘀𝗼𝗳𝗰𝗹𝗼𝘂𝗱𝗼𝗽𝘀 - 𝗥𝗲𝗮𝗹-𝘁𝗶𝗺𝗲 𝗰𝗼𝗺𝗽𝗹𝗲𝘅 𝗵𝗮𝗻𝗱𝘀-𝗼𝗻 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗼𝗻 𝗖𝗹𝗼𝘂𝗱 𝗮𝗻𝗱 𝗗𝗲𝘃𝗢𝗽𝘀 https://www.youtube.com/playlist?list=PLl4APkPHzsUUc8HOEIwfB3Z2uxRv2SKOG ✅ 𝗗𝗲𝘃𝗢𝗽𝘀 𝗮𝗻𝗱 𝗖𝗹𝗼𝘂𝗱 𝗣𝗼𝗱𝗰𝗮𝘀𝘁𝘀: https://www.youtube.com/playlist?list=PLl4APkPHzsUWr7SI4Kym5dr80DovuSbL2 ✅ 𝗚𝗶𝘁𝗹𝗮𝗯 𝗖𝗜 𝗖𝗗 𝗧𝘂𝘁𝗼𝗿𝗶𝗮𝗹 | 𝗘𝗻𝗱 𝗧𝗼 𝗘𝗻𝗱 𝗥𝗲𝗮𝗹-𝘁𝗶𝗺𝗲 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 [𝗙𝘂𝗹𝗹 𝗖𝗼𝘂𝗿𝘀𝗲] https://youtu.be/uYaMRn2meJQ Subscribe to our channel to get notified about the latest videos. 🔥 https://www.youtube.com/TechTutorialswithPiyush 👨‍💻 Got a video request? submit it using the below link or vote on the existing requests https://request.techtutorialswithpiyush.com/ ----------------------------------------------------------------------------------------------------------------------- 𝗖𝗼𝗻𝗻𝗲𝗰𝘁 𝗺𝗲 𝗛𝗲𝗿𝗲:👇👇 🔥𝗬𝗼𝘂𝗧𝘂𝗯𝗲 ▶ https://www.youtube.com/TechTutorialswithPiyush ⛳𝗟𝗶𝗻𝗸𝗲𝗱𝗜𝗻 ▶ https://www.linkedin.com/in/piyush-sachdeva/ 🚀𝗜𝗻𝘀𝘁𝗮𝗴𝗿𝗮𝗺 ▶ https://www.instagram.com/techtutorialswithpiyush/ 🌍𝗧𝘄𝗶𝘁𝘁𝗲𝗿 ▶ https://twitter.com/techie_piyush 👨‍💻 𝗚𝗶𝘁𝗵𝘂𝗯 ▶ https://github.com/piyushsachdeva ✍ 𝗠𝗲𝗱𝗶𝘂𝗺.𝗰𝗼𝗺 ▶ https://medium.com/@piyush.sachdeva055 📚 𝗱𝗲𝘃.𝘁𝗼 ▶ https://dev.to/piyushsachdeva ✨𝗗𝗶𝘀𝗰𝗼𝗿𝗱 ▶ https://discord.gg/TNCs4BRzq8 ----------------------------------------------------------------------------------------------------------------------- References 📚: