Kubernetes Deployments

External

• https://kubernetes.io/docs/concepts/workloads/controllers/deployment/

Internal

• Kubernetes Workload Resources

Overview

A Deployment brings scalability, self-healing, zero-downtime rolling updates and versioned rollbacks to a set of pods.

Deployment Manifest

Deployment Manifest

Pod Names

https://medium.com/faun/kubernetes-pod-naming-convention-78272fcc53ed

⚠️ The pod template manifest allows specifying a pod name, however it will be ignored. If it is not specified, that is fine. The pod names will be generated based on the deployment name, appending random sequences of characters:

httpd-6b8bb7895d-m9bzt

Playground Example

https://github.com/ovidiuf/playground/tree/master/kubernetes/simple-deployment

Scaling

A Deployment has a Scale sub-resource, allowing it to be controlled by a horizontal pod autoscaler.

Operations

Deployment Operations