A Deployment is a higher-level object that is used to manage ReplicaSets and other objects. A Deployment can be used to create, scale, and update ReplicaSets.

A ReplicaSet is a lower-level object that ensures that a certain number of replicas (pods) are running at any given time. ReplicaSets are managed by Deployments.

Example:

Let’s say you have a web application running on Kubernetes. You want to ensure that the application is running on 5 nodes at any given time. To achieve this, you would create a Deployment object that would manage a ReplicaSet with 5 replicas. The Deployment would ensure that the ReplicaSet is always running 5 replicas, and would handle scaling and updating the ReplicaSet as needed.

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