Kubernetes as backend: CRD & Operators
summary
Shows a concrete implementation of using Kubernetes as an application backend by building a CRD-backed todo API persisted in the Kubernetes API server, and an Operator that creates certificates, Deployments, and admission webhooks to manage lifecycle. The demo uses Kind, operator-sdk/controller-runtime, client-go informers and an admission webhook, builds and pushes images, deploys the app into two namespaces and scales a Deployment to two replicas, demonstrating end-to-end resource creation and events.
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chapters (8)
- 0:00Kubernetes CRDs & Operators
- 2:26CRD & Operator basics
- 7:04Operator architecture
- 12:26Local Operator demo
- 27:50Scaling resources demo
- 31:52Operator project structure
- 36:16Cluster Operator demo
- 41:34Q&A
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