91 lines
3.9 KiB
Markdown
91 lines
3.9 KiB
Markdown
---
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title_tag: Deploy a Web Application to Kubernetes Cluster
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title: Web Application on Kubernetes
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layout: template
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meta_desc: Easily deploy a web application to an existing Kubernetes cluster with Pulumi using this template.
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meta_image: meta.png
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card_desc: Deploy a web application to a Kubernetes cluster with Pulumi.
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template:
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prefix: webapp-kubernetes
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dirname: my-k8s-app
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languages:
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- typescript
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- python
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- go
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- csharp
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- yaml
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cloud:
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name: Web Application
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slug: web-application
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---
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The Kubernetes Application template creates an infrastructure as code project in your favorite language that deploys a web application to an existing cluster with Pulumi. It uses Pulumi's [Native Kubernetes Provider](/registry/packages/kubernetes) to create a new namespace in an existing Kubernetes cluster and a new deployment to host the application. It also exposes the application as a service that's reachable from outside your cluster. The template generates a complete infrastructure as code program, including sample application code, to give you a working project out of the box that you can customize easily and extend to suit your needs.
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## Using this template
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To use this template to deploy a web application to a Kubernetes cluster, make sure you've already provisioned a [Kubernetes cluster](/templates/kubernetes), [installed Pulumi](/docs/install/) and [`kubectl`](https://kubernetes.io/docs/tasks/tools/install-kubectl/), and [configured your kubeconfig file](/registry/packages/kubernetes/installation-configuration#setup). Then create a new [project](/docs/concepts/projects/) using the template in your language of choice:
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{{< templates/pulumi-new >}}
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Follow the prompts to complete the new-project wizard. When it's done, you'll have a complete Pulumi project that's ready to deploy and configured with the most common settings. Feel free to inspect the code in {{< langfile >}} for a closer look.
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## Deploying the project
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The template requires no additional configuration. By default, it will install Nginx. Once the new project is created, you can deploy it immediately with [`pulumi up`](/docs/cli/commands/pulumi_up):
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```bash
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$ pulumi up
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```
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When the deployment completes, Pulumi exports the following [stack output](/docs/concepts/stack#outputs) values:
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deploymentName
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: The name of your new Kubernetes Deployment.
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serviceName
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: The name of your new Kubernetes Service.
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Output values like these are useful in many ways, most commonly as inputs for other stacks or related cloud resources.
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## Customizing the project
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Projects created with the Kubernetes Application template expose the following [configuration](/docs/concepts/config) settings:
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namespace
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: The name of the namespace to be created in your existing cluster. Defaults to `default`.
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replicas
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: The number of replicated Pods to be created in your new Deployment. Defaults to `1`.
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All of these settings are optional and may be adjusted either by editing the stack configuration file directly (by default, `Pulumi.dev.yaml`) or by changing their values with [`pulumi config set`](/docs/cli/commands/pulumi_config_set) as shown below.
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```bash
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$ pulumi config set someProp ../some/value
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$ pulumi up
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```
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## Tidying up
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You can cleanly destroy the stack and all of its infrastructure with [`pulumi destroy`](/docs/cli/commands/pulumi_destroy):
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```bash
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$ pulumi destroy
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```
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## Learn more
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Congratulations! You're now well on your way to managing a production-grade Kubernetes application with Pulumi --- and there's lots more you can do from here:
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* Discover more architecture templates in [Templates →](/templates)
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* Dive into the Kubernetes package by exploring the [API docs in the Registry →](/registry/packages/kubernetes)
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* Expand your understanding of how Pulumi works in [Learn Pulumi →](/learn)
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* Read up on the latest new features [in the Pulumi Blog →](/blog/tag/kubernetes)
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