Deployment Management Through Replica Sets

8th chunk of `content/en/blog/_posts/2016-04-00-Using-Deployment-Objects-With.md`

45a55d6fc6d22de6b62d832f61e232bd93464ca4f9a918be0000000100000203

](https://1.bp.blogspot.com/-3U1OTNqdz1s/Vv7Kfw4uGYI/AAAAAAAAChU/CgF6Mv5J6b8_lANXkpEIFytRGo9x0Bn_A/s1600/deployment-API-6.png)

From the events section, you’ll find that the Deployment is managing another resource called [Replica Set](/docs/user-guide/replicasets/), each controls the number of replicas of a different pod template. The Deployment enables progressive rollout by scaling up and down Replica Sets of new and old pod templates.

Title: Deployment Management Through Replica Sets

Summary

The image shows the output of the `kubectl describe deployment/update-demo` command. The output shows the Deployment's details and events. The events section shows how the Deployment manages Replica Sets, scaling them up and down to progressively roll out new and old pod templates.