update documentation
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@ -23,17 +23,17 @@ You need Master [permissions] and above to access the Kubernetes page.
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Before proceeding, make sure the following requirements are met:
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Before proceeding, make sure the following requirements are met:
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- The [Google authentication integration](../../../integration/google.md) must
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* The [Google authentication integration](../../../integration/google.md) must
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be enabled in GitLab at the instance level. If that's not the case, ask your
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be enabled in GitLab at the instance level. If that's not the case, ask your
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GitLab administrator to enable it.
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GitLab administrator to enable it.
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- Your associated Google account must have the right privileges to manage
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* Your associated Google account must have the right privileges to manage
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clusters on GKE. That would mean that a [billing
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clusters on GKE. That would mean that a [billing
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account](https://cloud.google.com/billing/docs/how-to/manage-billing-account)
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account](https://cloud.google.com/billing/docs/how-to/manage-billing-account)
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must be set up and that you have to have permissions to access it.
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must be set up and that you have to have permissions to access it.
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- You must have Master [permissions] in order to be able to access the
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* You must have Master [permissions] in order to be able to access the
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**Kubernetes** page.
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**Kubernetes** page.
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- You must have [Cloud Billing API](https://cloud.google.com/billing/) enabled
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* You must have [Cloud Billing API](https://cloud.google.com/billing/) enabled
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- You must have [Resource Manager
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* You must have [Resource Manager
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API](https://cloud.google.com/resource-manager/)
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API](https://cloud.google.com/resource-manager/)
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If all of the above requirements are met, you can proceed to create and add a
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If all of the above requirements are met, you can proceed to create and add a
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@ -41,20 +41,22 @@ new Kubernetes cluster that will be hosted on GKE to your project:
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1. Navigate to your project's **CI/CD > Kubernetes** page.
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1. Navigate to your project's **CI/CD > Kubernetes** page.
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1. Click on **Add Kubernetes cluster**.
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1. Click on **Add Kubernetes cluster**.
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1. Click on **Create with GKE**.
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1. Ensure the **Create new cluster on GKE** tab is active, otherwise, select it.
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1. Connect your Google account if you haven't done already by clicking the
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1. Connect your Google account if you haven't done already by clicking the
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**Sign in with Google** button.
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**Sign in with Google** button.
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1. Fill in the requested values:
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1. Fill in the requested values:
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- **Cluster name** (required) - The name you wish to give the cluster.
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- **GCP project ID** (required) - The ID of the project you created in your GCP
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* **Cluster name** (required) - The name you wish to give the cluster.
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* **GCP project ID** (required) - The ID of the project you created in your GCP
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console that will host the Kubernetes cluster. This must **not** be confused
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console that will host the Kubernetes cluster. This must **not** be confused
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with the project name. Learn more about [Google Cloud Platform projects](https://cloud.google.com/resource-manager/docs/creating-managing-projects).
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with the project name. Learn more about [Google Cloud Platform projects](https://cloud.google.com/resource-manager/docs/creating-managing-projects).
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- **Zone** - The [zone](https://cloud.google.com/compute/docs/regions-zones/)
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* **Zone** - The [zone](https://cloud.google.com/compute/docs/regions-zones/)
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under which the cluster will be created.
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under which the cluster will be created.
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- **Number of nodes** - The number of nodes you wish the cluster to have.
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* **Number of nodes** - The number of nodes you wish the cluster to have.
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- **Machine type** - The [machine type](https://cloud.google.com/compute/docs/machine-types)
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* **Machine type** - The [machine type](https://cloud.google.com/compute/docs/machine-types)
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of the Virtual Machine instance that the cluster will be based on.
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of the Virtual Machine instance that the cluster will be based on.
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- **Environment scope** - The [associated environment](#setting-the-environment-scope) to this cluster.
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* **Environment scope** - The [associated environment](#setting-the-environment-scope) to this cluster.
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1. Finally, click the **Create Kubernetes cluster** button.
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1. Finally, click the **Create Kubernetes cluster** button.
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After a few moments, your cluster should be created. If something goes wrong,
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After a few moments, your cluster should be created. If something goes wrong,
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@ -72,18 +74,18 @@ To add an existing Kubernetes cluster to your project:
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1. Navigate to your project's **CI/CD > Kubernetes** page.
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1. Navigate to your project's **CI/CD > Kubernetes** page.
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1. Click on **Add Kubernetes cluster**.
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1. Click on **Add Kubernetes cluster**.
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1. Click on **Add an existing Kubernetes cluster** and fill in the details:
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1. Click on the **Add existing cluster** tab and fill in the following details:
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- **Kubernetes cluster name** (required) - The name you wish to give the cluster.
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* **Kubernetes cluster name** (required) - The name you wish to give the cluster.
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- **Environment scope** (required)- The
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* **Environment scope** (required)- The
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[associated environment](#setting-the-environment-scope) to this cluster.
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[associated environment](#setting-the-environment-scope) to this cluster.
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- **API URL** (required) -
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* **API URL** (required) -
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It's the URL that GitLab uses to access the Kubernetes API. Kubernetes
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It's the URL that GitLab uses to access the Kubernetes API. Kubernetes
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exposes several APIs, we want the "base" URL that is common to all of them,
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exposes several APIs, we want the "base" URL that is common to all of them,
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e.g., `https://kubernetes.example.com` rather than `https://kubernetes.example.com/api/v1`.
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e.g., `https://kubernetes.example.com` rather than `https://kubernetes.example.com/api/v1`.
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- **CA certificate** (optional) -
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* **CA certificate** (optional) -
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If the API is using a self-signed TLS certificate, you'll also need to include
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If the API is using a self-signed TLS certificate, you'll also need to include
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the `ca.crt` contents here.
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the `ca.crt` contents here.
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- **Token** -
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* **Token** -
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GitLab authenticates against Kubernetes using service tokens, which are
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GitLab authenticates against Kubernetes using service tokens, which are
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scoped to a particular `namespace`. If you don't have a service token yet,
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scoped to a particular `namespace`. If you don't have a service token yet,
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you can follow the
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you can follow the
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@ -91,17 +93,17 @@ To add an existing Kubernetes cluster to your project:
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to create one. You can also view or create service tokens in the
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to create one. You can also view or create service tokens in the
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[Kubernetes dashboard](https://kubernetes.io/docs/tasks/access-application-cluster/web-ui-dashboard/#config)
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[Kubernetes dashboard](https://kubernetes.io/docs/tasks/access-application-cluster/web-ui-dashboard/#config)
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(under **Config > Secrets**).
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(under **Config > Secrets**).
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- **Project namespace** (optional) - The following apply:
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* **Project namespace** (optional) - The following apply:
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- By default you don't have to fill it in; by leaving it blank, GitLab will
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* By default you don't have to fill it in; by leaving it blank, GitLab will
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create one for you.
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create one for you.
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- Each project should have a unique namespace.
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* Each project should have a unique namespace.
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- The project namespace is not necessarily the namespace of the secret, if
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* The project namespace is not necessarily the namespace of the secret, if
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you're using a secret with broader permissions, like the secret from `default`.
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you're using a secret with broader permissions, like the secret from `default`.
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- You should **not** use `default` as the project namespace.
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* You should **not** use `default` as the project namespace.
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- If you or someone created a secret specifically for the project, usually
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* If you or someone created a secret specifically for the project, usually
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with limited permissions, the secret's namespace and project namespace may
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with limited permissions, the secret's namespace and project namespace may
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be the same.
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be the same.
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1. Finally, click the **Create Kubernetes cluster** button.
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1. Finally, click the **Add Kubernetes cluster** button.
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After a few moments, your cluster should be created. If something goes wrong,
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After a few moments, your cluster should be created. If something goes wrong,
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you will be notified.
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you will be notified.
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@ -151,7 +153,7 @@ added directly to your configured cluster. Those applications are needed for
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[Review Apps](../../../ci/review_apps/index.md) and [deployments](../../../ci/environments.md).
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[Review Apps](../../../ci/review_apps/index.md) and [deployments](../../../ci/environments.md).
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| Application | GitLab version | Description |
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| Application | GitLab version | Description |
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| ----------- | :------------: | ----------- |
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| --------------------------------------------------------------------------- | :------------: | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| [Helm Tiller](https://docs.helm.sh/) | 10.2+ | Helm is a package manager for Kubernetes and is required to install all the other applications. It will be automatically installed as a dependency when you try to install a different app. It is installed in its own pod inside the cluster which can run the `helm` CLI in a safe environment. |
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| [Helm Tiller](https://docs.helm.sh/) | 10.2+ | Helm is a package manager for Kubernetes and is required to install all the other applications. It will be automatically installed as a dependency when you try to install a different app. It is installed in its own pod inside the cluster which can run the `helm` CLI in a safe environment. |
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| [Ingress](https://kubernetes.io/docs/concepts/services-networking/ingress/) | 10.2+ | Ingress can provide load balancing, SSL termination, and name-based virtual hosting. It acts as a web proxy for your applications and is useful if you want to use [Auto DevOps] or deploy your own web apps. |
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| [Ingress](https://kubernetes.io/docs/concepts/services-networking/ingress/) | 10.2+ | Ingress can provide load balancing, SSL termination, and name-based virtual hosting. It acts as a web proxy for your applications and is useful if you want to use [Auto DevOps] or deploy your own web apps. |
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| [Prometheus](https://prometheus.io/docs/introduction/overview/) | 10.4+ | Prometheus is an open-source monitoring and alerting system useful to supervise your deployed applications |
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| [Prometheus](https://prometheus.io/docs/introduction/overview/) | 10.4+ | Prometheus is an open-source monitoring and alerting system useful to supervise your deployed applications |
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@ -245,7 +247,7 @@ Also, jobs that don't have an environment keyword set will not be able to access
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For example, let's say the following Kubernetes clusters exist in a project:
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For example, let's say the following Kubernetes clusters exist in a project:
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| Cluster | Environment scope |
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| Cluster | Environment scope |
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| ---------- | ------------------- |
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| ----------- | ----------------- |
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| Development | `*` |
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| Development | `*` |
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| Staging | `staging/*` |
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| Staging | `staging/*` |
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| Production | `production/*` |
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| Production | `production/*` |
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@ -278,9 +280,9 @@ deploy to production:
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The result will then be:
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The result will then be:
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- The development cluster will be used for the "test" job.
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* The development cluster will be used for the "test" job.
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- The staging cluster will be used for the "deploy to staging" job.
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* The staging cluster will be used for the "deploy to staging" job.
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- The production cluster will be used for the "deploy to production" job.
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* The production cluster will be used for the "deploy to production" job.
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## Multiple Kubernetes clusters
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## Multiple Kubernetes clusters
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@ -301,7 +303,7 @@ The Kubernetes cluster integration exposes the following
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GitLab CI/CD build environment.
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GitLab CI/CD build environment.
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| Variable | Description |
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| Variable | Description |
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| -------- | ----------- |
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| ------------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| `KUBE_URL` | Equal to the API URL. |
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| `KUBE_URL` | Equal to the API URL. |
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| `KUBE_TOKEN` | The Kubernetes token. |
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| `KUBE_TOKEN` | The Kubernetes token. |
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| `KUBE_NAMESPACE` | The Kubernetes namespace is auto-generated if not specified. The default value is `<project_name>-<project_id>`. You can overwrite it to use different one if needed, otherwise the `KUBE_NAMESPACE` variable will receive the default value. |
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| `KUBE_NAMESPACE` | The Kubernetes namespace is auto-generated if not specified. The default value is `<project_name>-<project_id>`. You can overwrite it to use different one if needed, otherwise the `KUBE_NAMESPACE` variable will receive the default value. |
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[permissions]: ../../permissions.md
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[permissions]: ../../permissions.md
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[ee]: https://about.gitlab.com/products/
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[ee]: https://about.gitlab.com/products/
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[Auto DevOps]: ../../../topics/autodevops/index.md
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[auto devops]: ../../../topics/autodevops/index.md
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