Kubernetes for the Absolute Beginners - Hands-On - Deployments - Update and Rollback

The video tutorial covers the concepts of updates and rollbacks in Kubernetes deployments. It explains the process of rollouts and versioning, highlighting the importance of tracking changes and enabling rollbacks. Two deployment strategies, recreate and rolling update, are compared, emphasizing the default rolling update strategy. Methods to update deployments, such as using kubectl apply and set image commands, are discussed, along with their implications on deployment definition files. The tutorial also details how deployments perform upgrades and rollbacks, and concludes with creating deployments using the kubectl run command.

What is the purpose of a rollout in a deployment?

How can you check the status of your rollout?

Explain the difference between the recreate strategy and the rolling update strategy.

Describe the process that occurs when a new deployment is created.

What happens to the old replica set during a rolling update?

What command would you use to rollback a deployment?

Why is it recommended to use a deployment definition file?