Build Your Own Kubernetes Operators with Go and Kubebuilder - Full Course

- Introduction & Prerequisites
- What is a Controller? The Observe-Compare-Act Loop
- Idempotency in Controllers
- Deep Dive: The Reconcile Loop Happy Path, Sad Path, & Error Handling
- The Foundation of Writing Operators
- What is an Operator? The "Helper" Analogy
- CRDs Custom Resource Definitions and CRs Custom Resources
- Kubernetes as an SDK & Extensibility
- Networking, Storage, & Admission Controllers
- Internal Developer Platforms IDP & Platform Engineering
- Bootstrapping with Kubebuilder
- Setting up the Local Environment K3D, Docker
- Introduction to the Kubebuilder Framework
- Project Initialization kubebuilder init
- Exploring Scaffolding Makefiles, Dockerfiles, main.go
- Creating your first API kubebuilder create api
- Defining EC2 Instance Types & Specs in Go
- Understanding TypeMeta and ObjectMeta
- Internal Controller Logic Breakdown
- Deep Dive: Manager Architecture & Controller-Runtime
- Cert Watchers, Health Checks, & Prometheus Metrics
- Initializing the Manager in main.go
- Implementing the Reconcile Loop Logic
- Custom Resource Definitions CRDs in Action
- Running the Operator Locally
- AWS SDK Integration in Go
- Using Finalizers for Cleanup Logic
- Creating EC2 Instances on AWS via the Operator
- Implementing Waiters for Instance State Running/Terminated
- Idempotency & Reconciler Loop Internals
- How Informers, Caches, and WorkQueues Work
- Handling Object Deletion & Timestamps
- Packaging the Operator with Helm
- Deploying to Kubernetes RBAC & Service Accounts
- Conclusion & Future Steps