https://marktaguiad.dev/tags/deployments/ Recent content in Deployments on marktaguiad.dev Hugo en-us marktaguiad@marktaguiad.dev (Mark Taguiad) marktaguiad@marktaguiad.dev (Mark Taguiad) marktaguiad.dev Fri, 06 Mar 2026 23:07:51 +0800 https://marktaguiad.dev/post/k8s-notes-part6/ Fri, 06 Mar 2026 23:07:51 +0800marktaguiad@marktaguiad.dev (Mark Taguiad) https://marktaguiad.dev/post/k8s-notes-part6/ <p><img class="theme-image" src="https://marktaguiad.dev/images/devops/k8s-notes/k8s-notes-deployment-001.png" data-light="/images/devops/k8s-notes/k8s-notes-deployment-001.png" data-dark="/images/devops/k8s-notes/k8s-notes-deployment-dark-001.png" alt="Architecture Diagram" > In Kubernetes, ReplicaSets ensure that a specific number of Pods are always running. However, most real applications need to be updated frequently. This is where Deployments come in.</p> <p>A Deployment is a higher-level Kubernetes resource that manages ReplicaSets and allows applications to be updated, scaled, and rolled back safely.</p> <h1 id="table-of-contents">Table of Contents</h1> <nav id="TableOfContents"> <ol> <li><a href="#why-deployment">Why Deployment?</a> <ol> <li><a href="#architecture">Architecture</a></li> </ol> </li> <li><a href="#example-of-deployment-systems">Example of Deployment Systems</a></li> <li><a href="#create-deployment">Create Deployment</a></li> <li><a href="#rolling-updates">Rolling Updates</a></li> <li><a href="#rollbacks">Rollbacks</a></li> </ol> </nav> <h3 id="why-deployment">Why Deployment?</h3> <p>ReplicaSets ensure that the correct number of Pods are running, but they do not provide advanced update mechanisms.</p>