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Scale And Update

Part of the Introduction to Kubernetes section of Coddy's Terminal journey. Lesson 41 of 45.

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Challenge

Medium

Traffic is growing and a new version is ready. Both manifests are in your directory. Run these steps one after the other:

  1. Apply deployment.yaml and service.yaml
  2. Scale the shop Deployment to 4 replicas
  3. Update its shop container to the nginx:1.27 image
  4. Check the rollout status
  5. Show the endpoints of the shop Service: kubectl lists three addresses and counts the rest

Try it yourself

Terminal
kubectl apply -f deployment.yaml
kubectl apply -f service.yaml
kubectl get service shop
kubectl get endpoints shop

All lessons in Introduction to Kubernetes

1Introduction

What Is KubernetesThe Cluster

4Deployments

Creating A DeploymentScalingDeployments From ManifestsUpdating ImagesRolling BackRecap - Deployment Manager

7Configuration

ConfigMapsSecretsEnvironment VariablesRecap - Config Master

10Web Shop Project

Project OverviewWrite The DeploymentProject lessonExpose The ShopProject lessonScale And UpdateProject lessonRoll Back SafelyProject lesson

2Pods

Running A PodListing PodsDescribing PodsDeleting PodsRecap - Pod Wrangler

5Services

Exposing A DeploymentService TypesEndpointsRecap - Service Desk

8Namespaces & Jobs

NamespacesWorking In A NamespaceJobsRecap - Namespace Navigator

11Final Challenges

Cluster DetectiveFull Rollout PipelineBroken Deployment Triage

3Manifests

Writing A ManifestLabelsRecap - Manifest Writer

6Debugging

Pod LogsExecuting CommandsImage Pull ErrorsCrash LoopsRecap - Pod Doctor

9Output Formats

Wide And Name OutputYAML OutputJSONPathRecap - Output Explorer

Practice on your own: Terminal playground