Pointing to deprecated feature

doc/user/infrastructure/iac/index.md

@@ -96,10 +96,17 @@ owned by GitLab, where everyone can contribute.
 The [documentation of the provider](https://registry.terraform.io/providers/gitlabhq/gitlab/latest/docs)
 is available as part of the official Terraform provider documentations.
 
-## Create a new cluster through IaC
+## Create a new cluster through IaC (DEPRECATED)
 
 Learn how to [create a new cluster on Google Kubernetes Engine (GKE)](../clusters/connect/new_gke_cluster.md).
 
+NOTE:
+The linked tutorial connects the cluster to GitLab through cluster certificates,
+and this method was [deprecated](https://gitlab.com/groups/gitlab-org/configure/-/epics/8)
+in GitLab 14.5. You can still create a cluster through IaC and then connect it to GitLab
+through the [Agent](../../clusters/agent/index.md), the default and fully supported
+method to connect clusters to GitLab.
+
 ## Troubleshooting
 
 ### `gitlab_group_share_group` resources not detected when subgroup state is refreshed

doc/user/project/clusters/add_eks_clusters.md

@@ -10,7 +10,7 @@ info: To determine the technical writer assigned to the Stage/Group associated w
 > - [Deprecated](https://gitlab.com/groups/gitlab-org/configure/-/epics/8) in GitLab 14.5.
 
 WARNING:
-This feature was deprecated in GitLab 14.5. Use [Infrastructure as Code](../../infrastructure/iac/index.md#create-a-new-cluster-through-iac)
+This feature was deprecated in GitLab 14.5. Use [Infrastructure as Code](../../infrastructure/iac/index.md#create-a-new-cluster-through-iac-deprecated)
 to create new clusters.
 
 Through GitLab, you can create new clusters and add existing clusters hosted on Amazon Elastic
@@ -23,7 +23,7 @@ use the [GitLab Agent](../../clusters/agent/index.md).
 
 ## Create a new EKS cluster
 
-To create a new cluster from GitLab, use [Infrastructure as Code](../../infrastructure/iac/index.md#create-a-new-cluster-through-iac).
+To create a new cluster from GitLab, use [Infrastructure as Code](../../infrastructure/iac/index.md#create-a-new-cluster-through-iac-deprecated).
 
 ### How to create a new cluster on EKS through cluster certificates (DEPRECATED)
 

doc/user/project/clusters/add_remove_clusters.md

@@ -10,7 +10,7 @@ info: To determine the technical writer assigned to the Stage/Group associated w
 
 WARNING:
 This feature was [deprecated](https://gitlab.com/gitlab-org/gitlab/-/issues/327908) in GitLab 14.0.
-To create a new cluster use [Infrastructure as Code](../../infrastructure/iac/index.md#create-a-new-cluster-through-iac).
+To create a new cluster use [Infrastructure as Code](../../infrastructure/iac/index.md#create-a-new-cluster-through-iac-deprecated).
 
 NOTE:
 Every new Google Cloud Platform (GCP) account receives
@@ -29,7 +29,7 @@ in a few clicks.
 
 > [Deprecated](https://gitlab.com/gitlab-org/gitlab/-/issues/327908) in GitLab 14.0.
 
-As of GitLab 14.0, use [Infrastructure as Code](../../infrastructure/iac/index.md#create-a-new-cluster-through-iac)
+As of GitLab 14.0, use [Infrastructure as Code](../../infrastructure/iac/index.md#create-a-new-cluster-through-iac-deprecated)
 to **safely create new clusters from GitLab**.
 
 Creating clusters from GitLab using cluster certificates is still available on the