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Add images css and alert boxes
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‎content/en/docs/tutorials/kubernetes-basics/_index.md

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## Kubernetes Basics Modules
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<!-- this css code is to preserve the original format -->
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<div style="display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between;">
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<div style="width: 30%; text-align: center;">
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<!-- css code to preserve original format -->
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<link rel="stylesheet" href="/css/style_tutorials.css">
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<div class="tutorials-modules">
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<div class="module">
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<a href="/docs/tutorials/kubernetes-basics/create-cluster/cluster-intro/">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_01.svg?v=1469803628347" alt="Module 1" style="width: 100%;">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_01.svg?v=1469803628347" alt="Module 1">
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<h5>1. Create a Kubernetes cluster</h5>
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</a>
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</div>
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<div style="width: 30%; text-align: center;">
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<div class="module">
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<a href="/docs/tutorials/kubernetes-basics/deploy-app/deploy-intro/">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_02.svg?v=1469803628347" alt="Module 2" style="width: 100%;">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_02.svg?v=1469803628347" alt="Module 2">
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<h5>2. Deploy an app</h5>
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</a>
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</div>
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<div style="width: 30%; text-align: center;">
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<div class="module">
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<a href="/docs/tutorials/kubernetes-basics/explore/explore-intro/">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_03.svg?v=1469803628347" alt="Module 3" style="width: 100%;">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_03.svg?v=1469803628347" alt="Module 3">
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<h5>3. Explore your app</h5>
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</a>
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</div>
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<div style="width: 30%; text-align: center;">
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<div class="module">
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<a href="/docs/tutorials/kubernetes-basics/expose/expose-intro/">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_04.svg?v=1469803628347" alt="Module 4" style="width: 100%;">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_04.svg?v=1469803628347" alt="Module 4">
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<h5>4. Expose your app publicly</h5>
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</a>
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</div>
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<div style="width: 30%; text-align: center;">
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<div class="module">
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<a href="/docs/tutorials/kubernetes-basics/scale/scale-intro/">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_05.svg?v=1469803628347" alt="Module 5" style="width: 100%;">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_05.svg?v=1469803628347" alt="Module 5">
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<h5>5. Scale up your app</h5>
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</a>
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</div>
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<div style="width: 30%; text-align: center;">
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<div class="module">
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<a href="/docs/tutorials/kubernetes-basics/update/update-intro/">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_06.svg?v=1469803628347" alt="Module 6" style="width: 100%;">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_06.svg?v=1469803628347" alt="Module 6">
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<h5>6. Update your app</h5>
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</a>
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</div>

‎content/en/docs/tutorials/kubernetes-basics/create-cluster/cluster-intro.md

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## Kubernetes Clusters
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<div class="col-md-8">
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<div class="content__box content__box_fill">
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<p><i>Kubernetes is a production-grade, open-source platform that orchestrates
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the placement (scheduling) and execution of application containers
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within and across computer clusters.</i></p>
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</div>
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</div>
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{{% alert %}}
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_Kubernetes is a production-grade, open-source platform that orchestrates
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the placement (scheduling) and execution of application containers
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within and across computer clusters._
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{{% /alert %}}
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**Kubernetes coordinates a highly available cluster of computers that are connected
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to work as a single unit.** The abstractions in Kubernetes allow you to deploy
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coordinates all activities in your cluster, such as scheduling applications, maintaining
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applications' desired state, scaling applications, and rolling out new updates.
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<div class="col-md-8">
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<div style="background-color: #eaf7ff; border-left: 5px solid #3771e3; padding: 15px; margin: 20px 0;">
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<p><i>Control Planes manage the cluster and the nodes that are used to host the running applications.</i></p>
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</div>
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</div>
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{{% alert %}}
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_Control Planes manage the cluster and the nodes that are used to host the running
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applications._
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{{% /alert %}}
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**A node is a VM or a physical computer that serves as a worker machine in a Kubernetes
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cluster.** Each node has a Kubelet, which is an agent for managing the node and

‎content/en/docs/tutorials/kubernetes-basics/deploy-app/deploy-intro.md

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## Kubernetes Deployments
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{{% alert %}}
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_A Deployment is responsible for creating and updating instances of your application._
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{{% /alert %}}
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{{< note >}}
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This tutorial uses a container that requires the AMD64 architecture. If you are using
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minikube on a computer with a different CPU architecture, you could try using minikube with
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## Deploying your first app on Kubernetes
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{{% alert %}}
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_Applications need to be packaged into one of the supported container formats in
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order to be deployed on Kubernetes._
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{{% /alert %}}
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{{< figure src="/docs/tutorials/kubernetes-basics/public/images/module_02_first_app.svg" class="diagram-medium" >}}
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You can create and manage a Deployment by using the Kubernetes command line interface,

‎content/en/docs/tutorials/kubernetes-basics/explore/explore-intro.md

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## Kubernetes Pods
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{{% alert %}}
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_A Pod is a group of one or more application containers (such as Docker) and includes
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shared storage (volumes), IP address and information about how to run them._
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{{% /alert %}}
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When you created a Deployment in [Module 2](/docs/tutorials/kubernetes-basics/deploy-app/deploy-intro/),
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Kubernetes created a **Pod** to host your application instance. A Pod is a Kubernetes
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abstraction that represents a group of one or more application containers (such as Docker),
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{{< figure src="/docs/tutorials/kubernetes-basics/public/images/module_03_pods.svg" class="diagram-medium" >}}
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{{% alert %}}
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_Containers should only be scheduled together in a single Pod if they are tightly
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coupled and need to share resources such as disk._
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{{% /alert %}}
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## Nodes
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A Pod always runs on a **Node**. A Node is a worker machine in Kubernetes and may
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You can use these commands to see when applications were deployed, what their current
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statuses are, where they are running and what their configurations are.
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Now that we know more about our cluster components and the command line, let's explore
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our application.
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Now that we know more about our cluster components and the command line, let's
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explore our application.
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### Check application configuration
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‎content/en/docs/tutorials/kubernetes-basics/expose/expose-intro.md

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so there needs to be a way of automatically reconciling changes among Pods so that your
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{{% alert %}}
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_A Kubernetes Service is an abstraction layer which defines a logical set of Pods and
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enables external traffic exposure, load balancing and service discovery for those Pods._
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{{% /alert %}}
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A [Service](/docs/concepts/services-networking/service/) in Kubernetes is an abstraction
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which defines a logical set of Pods and a policy by which to access them. Services
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enable a loose coupling between dependent Pods. A Service is defined using YAML or JSON,
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```shell
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curl 127.0.0.1:51082
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```
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{{< /note >}}
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And we get a response from the server. The Service is exposed.

‎content/en/docs/tutorials/kubernetes-basics/scale/scale-intro.md

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## Scaling an application
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{{% alert %}}
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_You can create from the start a Deployment with multiple instances using the --replicas
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parameter for the kubectl create deployment command._
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{{% /alert %}}
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Previously we created a [Deployment](/docs/concepts/workloads/controllers/deployment/),
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and then exposed it publicly via a [Service](/docs/concepts/services-networking/service/).
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The Deployment created only one Pod for running our application. When traffic increases,
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```shell
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kubectl expose deployment/kubernetes-bootcamp --type="LoadBalancer" --port 8080
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```
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{{< /note >}}
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## Scaling overview
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<!-- animation -->
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<div class="col-md-8">
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<div id="myCarousel" class="carousel" data-ride="carousel" data-interval="3000">
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<ol class="carousel-indicators">
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<li data-target="#myCarousel" data-slide-to="0" class="active"></li>
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<li data-target="#myCarousel" data-slide-to="1"></li>
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</ol>
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<div class="carousel-inner" role="listbox">
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<div class="item carousel-item active">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_05_scaling1.svg">
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</div>
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<div class="item carousel-item">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_05_scaling2.svg">
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</div>
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<div class="carousel-inner" role="listbox">
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<div class="item carousel-item active">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_05_scaling1.svg">
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<a class="left carousel-control" href="#myCarousel" role="button" data-slide="prev">
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</div>
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</div>
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{{% alert %}}
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_Scaling is accomplished by changing the number of replicas in a Deployment._
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{{% /alert %}}
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with available resources. Scaling will increase the number of Pods to the new desired
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state. Kubernetes also supports [autoscaling](/docs/tasks/run-application/horizontal-pod-autoscale/)

‎content/en/docs/tutorials/kubernetes-basics/update/update-intro.md

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## Updating an application
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{{% alert %}}
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_Rolling updates allow Deployments' update to take place with zero downtime by
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incrementally updating Pods instances with new ones._
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{{% /alert %}}
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rolling updates. A **rolling update** allows a Deployment update to take place with
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<li data-target="#myCarousel" data-slide-to="0" class="active"></li>
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<li data-target="#myCarousel" data-slide-to="1"></li>
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<li data-target="#myCarousel" data-slide-to="2"></li>
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<li data-target="#myCarousel" data-slide-to="3"></li>
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</ol>
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<div class="carousel-inner" role="listbox">
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<div class="item carousel-item active">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_06_rollingupdates1.svg">
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</div>
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<div class="item carousel-item">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_06_rollingupdates2.svg">
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</div>
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_06_rollingupdates3.svg">
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</div>
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<div class="item carousel-item">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_06_rollingupdates4.svg">
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</div>
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<div class="carousel-inner" role="listbox">
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<div class="item carousel-item active">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_06_rollingupdates1.svg">
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</div>
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<div class="item carousel-item">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_06_rollingupdates2.svg">
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</div>
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<div class="item carousel-item">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_06_rollingupdates3.svg">
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</div>
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<div class="item carousel-item">
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<img src="/docs/tutorials/kubernetes-basics/public/images/module_06_rollingupdates4.svg">
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<span class="sr-only">Next</span>
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{{% alert %}}
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_If a Deployment is exposed publicly, the Service will load-balance the traffic
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only to available Pods during the update._
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{{% /alert %}}
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will load-balance the traffic only to available Pods during the update. An available
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Pod is an instance that is available to the users of the application.
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The Deployment is once again using a stable version of the app (`v2`). The rollback
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was successful.
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Remember to clean up your local cluster
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Remember to clean up your local cluster.
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```shell
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kubectl delete deployments/kubernetes-bootcamp services/kubernetes-bootcamp

‎static/css/style_tutorials.css

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/* styles for kubernetes-basics tutorials */
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/* kubernetes-basics tutorials */
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.tutorials-modules {
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display: flex;
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flex-wrap: wrap;

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