Kubernetes Operator simply explained in 10 mins
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Kubernetes Operator explained | What are Kubernetes Operators and how it works • ► Prometheus Operator in practice: • Setup Prometheus Monitoring on Kubern... 🚀 • Learn what a Kubernetes Operator is, why this operator concept even emerged and why you should use Kubernetes Operators. • To give you an overview, operators are used mainly for stateful applications. So I first compare how Kubernetes manages stateless and stateful applications. And then compare deploying and managing stateful applications without an operator compared to deploying it with a Kubernetes Operator. • ► 1. StateLESS applications on Kubernetes 🚀 • Kubernetes can manage the complete lifecycle of stateless applications in a fully automated way, because these applications don’t have business logic for deployment. • So basically, once you deployed the application, you don’t have to sit there and control that your application is running properly. • ► 2. StateFUL applications WITHOUT Operator 🤯 • For stateful applications, like databases, the whole process isn’t as straightforward. • They need more hand-holding during its whole lifecycle, because the replicas of stateful apps aren't identical. • So, Kubernetes natively doesn’t have all the knowledge required 🤷🏻♂️ to automate the process of deploying every single stateful application. That’s why these kind of applications require manual intervention - people who operate these applications. • ► 3. StateFUL applications WITH Operator 🦄 • Operator solves this problem and basically replaces this human operator with a software operator. • At its core it has the same control loop mechanism that Kubernetes has, that watches for changes in the application state. • It also uses CRDs, which is basically a custom K8s component. So, it takes the basic Kubernetes resources and its controller concept as a foundation to build upon, and on top of that includes application-specific knowledge to automate the entire life cycle of the application it operates . • ▬▬▬▬▬▬ T I M E S T A M P S ⏰ ▬▬▬▬▬▬ • 0:00 - Intro • 0:45 - Stateless applications on Kubernetes • 2:21 - Stateful applications WITHOUT Kubernetes Operator • 4:52 - Stateful applications WITH Kubernetes Operator • 7:47 - Summary • 8:33 - Who creates these operators? • ▬▬▬▬▬▬ Want to learn more? 🚀 ▬▬▬▬▬▬ • Full Kubernetes and Docker tutorial ► https://bit.ly/2YGeRp9 • DevOps Tools, like Terraform, Prometheus ► https://bit.ly/2W9UEq6 • Complete K8s Application Setup ► • Complete Application Deployment using... • Jenkins Pipeline Tutorials ► https://bit.ly/2Wunx08 • #kubernetes #kubernetestutorial #devops #techworldwithnana • ▬▬▬▬▬▬ Connect with me 👋 ▬▬▬▬▬▬ • Join private Facebook group ► https://bit.ly/32UVSZP • Don't forget to subscribe ► https://bit.ly/3mO4jxT • DEV ► https://bit.ly/3h2fqiO • INSTAGRAM ► https://bit.ly/2F3LXYJ • TWITTER ► https://bit.ly/3i54PUB • LINKEDIN ► https://bit.ly/3hWOLVT • • ▬▬▬▬▬▬ Maybe interesting for you 😎 ▬▬▬▬▬▬ • High-Quality and Hands-On Courses 👉🏼 https://bit.ly/3nIouPW • Kubernetes 101 - cheatsheet for your work (handy ebook bundle) ► https://bit.ly/3mPIaiU • • Legal Notice: • Kubernetes and the Kubernetes logo are trademarks or registered trademarks of The Linux Foundation in the United States and/or other countries. The Linux Foundation and other parties may also have trademark rights in other terms used herein. This video is not accredited, certified, affiliated with, nor endorsed by Kubernetes or The Linux Foundation.
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