docs: add coderd terraform provider (#14374)

docs/admin/automation.md

@@ -4,8 +4,9 @@ All actions possible through the Coder dashboard can also be automated as it
 utilizes the same public REST API. There are several ways to extend/automate
 Coder:
 
-- [CLI](../reference/cli/README.md)
-- [REST API](../reference/api/README.md)
+- [coderd Terraform Provider](https://registry.terraform.io/providers/coder/coderd/latest)
+- [CLI](../reference/cli)
+- [REST API](../reference/api)
 - [Coder SDK](https://pkg.go.dev/github.com/coder/coder/v2/codersdk)
 
 ## Quickstart
@@ -32,21 +33,25 @@ curl https://coder.example.com/api/v2/workspaces?q=owner:me \
 
 ## Documentation
 
-We publish an [API reference](../reference/api/README.md) in our documentation.
-You can also enable a
-[Swagger endpoint](../reference/cli/server.md#--swagger-enable) on your Coder
-deployment.
+We publish an [API reference](../reference/api) in our documentation. You can
+also enable a [Swagger endpoint](../reference/cli/server.md#--swagger-enable) on
+your Coder deployment.
 
 ## Use cases
 
 We strive to keep the following use cases up to date, but please note that
 changes to API queries and routes can occur. For the most recent queries and
-payloads, we recommend checking the CLI and API documentation.
+payloads, we recommend checking the relevant documentation.
+
+### Users & Groups
+
+- [Manage Users via Terraform](https://registry.terraform.io/providers/coder/coderd/latest/docs/resources/user)
+- [Manage Groups via Terraform](https://registry.terraform.io/providers/coder/coderd/latest/docs/resources/group)
 
 ### Templates
 
-- [Update templates in CI](../templates/change-management.md): Store all
-  templates and git and update templates in CI/CD pipelines.
+- [Manage templates via Terraform or CLI](../templates/change-management.md):
+  Store all templates in git and update them in CI/CD pipelines.
 
 ### Workspace agents
 

docs/admin/groups.md

@@ -1,8 +1,9 @@
 # Groups
 
 Groups can be used with [template RBAC](./rbac.md) to give groups of users
-access to specific templates. They can be defined in Coder or
-[synced from your identity provider](./auth.md#group-sync-enterprise).
+access to specific templates. They can be defined via the Coder web UI,
+[synced from your identity provider](./auth.md) or
+[managed via Terraform](https://registry.terraform.io/providers/coder/coderd/latest/docs/resources/template).
 
 ![Groups](../images/groups.png)
 

docs/admin/rbac.md

@@ -1,8 +1,9 @@
 # Role Based Access Control (RBAC)
 
 Use RBAC to define which users and [groups](./groups.md) can use specific
-templates in Coder. These can be defined in Coder or
-[synced from your identity provider](./auth.md)
+templates in Coder. These can be defined via the Coder web UI,
+[synced from your identity provider](./auth.md) or
+[managed via Terraform](https://registry.terraform.io/providers/coder/coderd/latest/docs/resources/template).
 
 ![rbac](../images/template-rbac.png)
 

docs/admin/workspace-proxies.md

@@ -26,8 +26,12 @@ Workspace proxies can be used in the browser by navigating to the user
 
 ## Requirements
 
-- The [Coder CLI](../reference/cli/README.md) must be installed and
-  authenticated as a user with the Owner role.
+- The [Coder CLI](../reference/cli) must be installed and authenticated as a
+  user with the Owner role.
+- Alternatively, the
+  [coderd Terraform Provider](https://registry.terraform.io/providers/coder/coderd/latest)
+  can be used to create and manage workspace proxies, if authenticated as a user
+  with the Owner role.
 
 ## Step 1: Create the proxy
 
@@ -198,6 +202,49 @@ FROM ghcr.io/coder/coder:latest
 ENTRYPOINT ["/opt/coder", "wsproxy", "server"]
 ```
 
+### Managing via Terraform
+
+The
+[coderd Terraform Provider](https://registry.terraform.io/providers/coder/coderd/latest)
+can also be used to create and manage workspace proxies in the same Terraform
+configuration as your deployment.
+
+```hcl
+
+provider "coderd" {
+	url   = "https://coder.example.com"
+	token = "****"
+}
+
+resource "coderd_workspace_proxy" "sydney-wsp" {
+  name         = "sydney-wsp"
+  display_name = "Australia (Sydney)"
+  icon         = "/emojis/1f1e6-1f1fa.png"
+}
+resource "kubernetes_deployment" "syd_wsproxy" {
+  metadata { /* ... */ }
+  spec {
+    template {
+      metadata { /* ... */ }
+      spec {
+        container {
+          name  = "syd-wsp"
+          image = "ghcr.io/coder/coder:latest"
+          args  = ["wsproxy", "server"]
+          env {
+            name  = "CODER_PROXY_SESSION_TOKEN"
+            value = coderd_workspace_proxy.sydney-wsp.session_token
+          }
+          /* ... */
+        }
+        /* ... */
+      }
+    }
+    /* ... */
+  }
+}
+```
+
 ### Selecting a proxy
 
 Users can select a workspace proxy at the top-right of the browser-based Coder

docs/architecture/validated-arch.md

@@ -333,7 +333,8 @@ could affect workspace users experience once the platform is live.
 1. Establish dedicated accounts for users with the _Template Administrator_
    role.
 1. Maintain Coder templates using
-   [version control](../templates/change-management.md).
+   [version control](../templates/change-management.md) and the
+   [coderd Terraform Provider](https://registry.terraform.io/providers/coder/coderd/latest/docs).
 1. Consider implementing a GitOps workflow to automatically push new template
    versions into Coder from git. For example, on Github, you can use the
    [Update Coder Template](https://github.com/marketplace/actions/update-coder-template)

docs/templates/change-management.md

@@ -1,7 +1,69 @@
 # Template Change Management
 
-We recommend source-controlling your templates as you would other code. You can
-[install Coder](../install/) in CI/CD pipelines to push new template versions.
+We recommend source-controlling your templates as you would other any code, and
+automating the creation of new versions in CI/CD pipelines.
+
+These pipelines will require tokens for your deployment. To cap token lifetime
+on creation,
+[configure Coder server to set a shorter max token lifetime](../reference/cli/server.md#--max-token-lifetime).
+
+## coderd Terraform Provider
+
+The
+[coderd Terraform provider](https://registry.terraform.io/providers/coder/coderd/latest)
+can be used to push new template versions, either manually, or in CI/CD
+pipelines. To run the provider in a CI/CD pipeline, and to prevent drift, you'll
+need to store the Terraform state
+[remotely](https://developer.hashicorp.com/terraform/language/settings/backends/configuration).
+
+```hcl
+terraform {
+  required_providers {
+    coderd = {
+      source = "coder/coderd"
+    }
+  }
+  backend "gcs" {
+    bucket = "example-bucket"
+    prefix = "terraform/state"
+  }
+}
+
+provider "coderd" {
+  // Can be populated from environment variables
+  url   = "https://coder.example.com"
+  token = "****"
+}
+
+// Get the commit SHA of the configuration's git repository
+variable "TFC_CONFIGURATION_VERSION_GIT_COMMIT_SHA" {
+  type = string
+}
+
+resource "coderd_template" "kubernetes" {
+  name = "kubernetes"
+  description = "Develop in Kubernetes!"
+  versions = [{
+    directory = ".coder/templates/kubernetes"
+    active    = true
+    # Version name is optional
+    name = var.TFC_CONFIGURATION_VERSION_GIT_COMMIT_SHA
+    tf_vars = [{
+      name  = "namespace"
+      value = "default4"
+    }]
+  }]
+  /* ... Additional template configuration */
+}
+```
+
+For an example, see how we push our development image and template
+[with GitHub actions](https://github.com/coder/coder/blob/main/.github/workflows/dogfood.yaml).
+
+## Coder CLI
+
+You can also [install Coder](../install/) to automate pushing new template
+versions in CI/CD pipelines.
 
 ```console
 # Install the Coder CLI
@@ -25,8 +87,3 @@ coder templates push --yes $CODER_TEMPLATE_NAME \
     --directory $CODER_TEMPLATE_DIR \
     --name=$CODER_TEMPLATE_VERSION # Version name is optional
 ```
-
-To cap token lifetime on creation,
-[configure Coder server to set a shorter max token lifetime](../reference/cli/server.md#--max-token-lifetime).
-For an example, see how we push our development image and template
-[with GitHub actions](https://github.com/coder/coder/blob/main/.github/workflows/dogfood.yaml).

docs/templates/creating.md

@@ -25,8 +25,8 @@ here!
 
 ![Starter templates](../images/templates/starter-templates.png)
 
-If you prefer to use Coder on the [command line](../reference/cli/README.md),
-use `coder templates init`.
+If you prefer to use Coder on the [command line](../reference/cli), use
+`coder templates init`.
 
 > Coder starter templates are also available on our
 > [GitHub repo](https://github.com/coder/coder/tree/main/examples/templates).