Remove google_project.app_engine (#2386)

<!-- This change is generated by MagicModules. -->
/cc @rileykarson

google/resource_google_project.go

@@ -9,8 +9,6 @@ import (
 	"time"
 
 	"github.com/hashicorp/terraform/helper/schema"
-	"github.com/hashicorp/terraform/helper/validation"
-	appengine "google.golang.org/api/appengine/v1"
 	"google.golang.org/api/cloudbilling/v1"
 	"google.golang.org/api/cloudresourcemanager/v1"
 	"google.golang.org/api/googleapi"
@@ -30,8 +28,7 @@ func resourceGoogleProject() *schema.Resource {
 		Importer: &schema.ResourceImporter{
 			State: resourceProjectImportState,
 		},
-		MigrateState:  resourceGoogleProjectMigrateState,
+		MigrateState: resourceGoogleProjectMigrateState,
-		CustomizeDiff: resourceGoogleProjectCustomizeDiff,
 
 		Schema: map[string]*schema.Schema{
 			"project_id": &schema.Schema{
@@ -92,12 +89,10 @@ func resourceGoogleProject() *schema.Resource {
 				Set:      schema.HashString,
 			},
 			"app_engine": &schema.Schema{
-				Type:       schema.TypeList,
+				Type:     schema.TypeList,
-				Optional:   true,
+				Elem:     appEngineResource(),
-				Computed:   true,
+				Computed: true,
-				Elem:       appEngineResource(),
+				Removed:  "This field has been removed. Use the google_app_engine_application resource instead.",
-				MaxItems:   1,
-				Deprecated: "Use the google_app_engine_application resource instead.",
 			},
 		},
 	}
@@ -110,68 +105,57 @@ func appEngineResource() *schema.Resource {
 				Type:     schema.TypeString,
 				Optional: true,
 				Computed: true,
+				Removed:  "This field has been removed. Use the google_app_engine_application resource instead.",
 			},
 			"location_id": &schema.Schema{
 				Type:     schema.TypeString,
 				Optional: true,
 				Computed: true,
-				ValidateFunc: validation.StringInSlice([]string{
+				Removed:  "This field has been removed. Use the google_app_engine_application resource instead.",
-					"northamerica-northeast1",
-					"us-central",
-					"us-west2",
-					"us-east1",
-					"us-east4",
-					"southamerica-east1",
-					"europe-west",
-					"europe-west2",
-					"europe-west3",
-					"asia-northeast1",
-					"asia-south1",
-					"australia-southeast1",
-				}, false),
 			},
 			"serving_status": &schema.Schema{
 				Type:     schema.TypeString,
 				Optional: true,
-				ValidateFunc: validation.StringInSlice([]string{
-					"UNSPECIFIED",
-					"SERVING",
-					"USER_DISABLED",
-					"SYSTEM_DISABLED",
-				}, false),
 				Computed: true,
+				Removed:  "This field has been removed. Use the google_app_engine_application resource instead.",
 			},
 			"feature_settings": &schema.Schema{
 				Type:     schema.TypeList,
 				Optional: true,
 				Computed: true,
-				MaxItems: 1,
+				Removed:  "This field has been removed. Use the google_app_engine_application resource instead.",
 				Elem:     appEngineFeatureSettingsResource(),
 			},
 			"name": &schema.Schema{
 				Type:     schema.TypeString,
 				Computed: true,
+				Removed:  "This field has been removed. Use the google_app_engine_application resource instead.",
 			},
 			"url_dispatch_rule": &schema.Schema{
 				Type:     schema.TypeList,
 				Computed: true,
+				Removed:  "This field has been removed. Use the google_app_engine_application resource instead.",
 				Elem:     appEngineURLDispatchRuleResource(),
 			},
 			"code_bucket": &schema.Schema{
 				Type:     schema.TypeString,
 				Computed: true,
+				Removed:  "This field has been removed. Use the google_app_engine_application resource instead.",
 			},
 			"default_hostname": &schema.Schema{
 				Type:     schema.TypeString,
 				Computed: true,
+				Removed:  "This field has been removed. Use the google_app_engine_application resource instead.",
 			},
 			"default_bucket": &schema.Schema{
 				Type:     schema.TypeString,
 				Computed: true,
+				Removed:  "This field has been removed. Use the google_app_engine_application resource instead.",
 			},
 			"gcr_domain": &schema.Schema{
 				Type:     schema.TypeString,
 				Computed: true,
+				Removed:  "This field has been removed. Use the google_app_engine_application resource instead.",
 			},
 		},
 	}
@@ -183,14 +167,17 @@ func appEngineURLDispatchRuleResource() *schema.Resource {
 			"domain": &schema.Schema{
 				Type:     schema.TypeString,
 				Computed: true,
+				Removed:  "This field has been removed. Use the google_app_engine_application resource instead.",
 			},
 			"path": &schema.Schema{
 				Type:     schema.TypeString,
 				Computed: true,
+				Removed:  "This field has been removed. Use the google_app_engine_application resource instead.",
 			},
 			"service": &schema.Schema{
 				Type:     schema.TypeString,
 				Computed: true,
+				Removed:  "This field has been removed. Use the google_app_engine_application resource instead.",
 			},
 		},
 	}
@@ -202,18 +189,12 @@ func appEngineFeatureSettingsResource() *schema.Resource {
 			"split_health_checks": &schema.Schema{
 				Type:     schema.TypeBool,
 				Optional: true,
+				Removed:  "This field has been removed. Use the google_app_engine_application resource instead.",
 			},
 		},
 	}
 }
 
-func resourceGoogleProjectCustomizeDiff(diff *schema.ResourceDiff, meta interface{}) error {
-	if old, _ := diff.GetChange("app_engine.0.location_id"); diff.HasChange("app_engine.0.location_id") && old != nil && old.(string) != "" {
-		return fmt.Errorf("Cannot change app_engine.0.location_id once the app is created.")
-	}
-	return nil
-}
-
 func resourceGoogleProjectCreate(d *schema.ResourceData, meta interface{}) error {
 	config := meta.(*Config)
 
@@ -261,24 +242,6 @@ func resourceGoogleProjectCreate(d *schema.ResourceData, meta interface{}) error
 		}
 	}
 
-	// set up App Engine, too
-	app, err := expandAppEngineApp(d)
-	if err != nil {
-		return err
-	}
-	if app != nil {
-		log.Printf("[DEBUG] Enabling App Engine")
-		// enable the app engine APIs so we can create stuff
-		if err = enableService("appengine.googleapis.com", project.ProjectId, config); err != nil {
-			return fmt.Errorf("Error enabling the App Engine Admin API required to configure App Engine applications: %s", err)
-		}
-		log.Printf("[DEBUG] Enabled App Engine")
-		err = createAppEngineApp(config, pid, app)
-		if err != nil {
-			return err
-		}
-	}
-
 	err = resourceGoogleProjectRead(d, meta)
 	if err != nil {
 		return err
@@ -301,23 +264,6 @@ func resourceGoogleProjectCreate(d *schema.ResourceData, meta interface{}) error
 	return nil
 }
 
-func createAppEngineApp(config *Config, pid string, app *appengine.Application) error {
-	app.Id = pid
-	log.Printf("[DEBUG] Creating App Engine App")
-	op, err := config.clientAppEngine.Apps.Create(app).Do()
-	if err != nil {
-		return fmt.Errorf("Error creating App Engine application: %s", err.Error())
-	}
-
-	// Wait for the operation to complete
-	waitErr := appEngineOperationWait(config.clientAppEngine, op, pid, "App Engine app to create")
-	if waitErr != nil {
-		return waitErr
-	}
-	log.Printf("[DEBUG] Created App Engine App")
-	return nil
-}
-
 func resourceGoogleProjectRead(d *schema.ResourceData, meta interface{}) error {
 	config := meta.(*Config)
 	pid := d.Id()
@@ -340,6 +286,10 @@ func resourceGoogleProjectRead(d *schema.ResourceData, meta interface{}) error {
 	d.Set("name", p.Name)
 	d.Set("labels", p.Labels)
 
+	// We get app_engine.#: "" => "<computed>" without this set
+	// Remove when app_engine field is removed from schema completely
+	d.Set("app_engine", nil)
+
 	if p.Parent != nil {
 		switch p.Parent.Type {
 		case "organization":
@@ -371,29 +321,6 @@ func resourceGoogleProjectRead(d *schema.ResourceData, meta interface{}) error {
 		d.Set("billing_account", _ba)
 	}
 
-	// read the App Engine app, if one exists
-	// we don't have the config available for import, so we can't rely on
-	// that to read it. And honestly, we want to know if an App exists that
-	// shouldn't. So this tries to read it, sets it to empty if none exists,
-	// or sets it in state if one does exist.
-	app, err := config.clientAppEngine.Apps.Get(pid).Do()
-	if err != nil && !isGoogleApiErrorWithCode(err, 404) && !isApiNotEnabledError(err) {
-		return fmt.Errorf("Error retrieving App Engine application %q: %s", pid, err.Error())
-	} else if isGoogleApiErrorWithCode(err, 404) {
-		d.Set("app_engine", []map[string]interface{}{})
-	} else if isApiNotEnabledError(err) {
-		log.Printf("[WARN] App Engine Admin API not enabled, please enable it to read App Engine info about project %q: %s", pid, err.Error())
-		d.Set("app_engine", []map[string]interface{}{})
-	} else {
-		appBlocks, err := flattenAppEngineApp(app)
-		if err != nil {
-			return fmt.Errorf("Error serializing App Engine app: %s", err.Error())
-		}
-		err = d.Set("app_engine", appBlocks)
-		if err != nil {
-			return fmt.Errorf("Error setting App Engine application in state. This is a bug, please report it at https://github.com/terraform-providers/terraform-provider-google/issues. Error is:\n%s", err.Error())
-		}
-	}
 	return nil
 }
 
@@ -498,39 +425,7 @@ func resourceGoogleProjectUpdate(d *schema.ResourceData, meta interface{}) error
 		d.SetPartial("labels")
 	}
 
-	// App Engine App has changed
-	if ok := d.HasChange("app_engine"); ok {
-		app, err := expandAppEngineApp(d)
-		if err != nil {
-			return err
-		}
-		// ignore if app is now not set; that should force new resource using customizediff
-		if app != nil {
-			if old, new := d.GetChange("app_engine.#"); (old == nil || old.(int) < 1) && new != nil && new.(int) > 0 {
-				err = createAppEngineApp(config, pid, app)
-				if err != nil {
-					return err
-				}
-			} else {
-				log.Printf("[DEBUG] Updating App Engine App")
-				op, err := config.clientAppEngine.Apps.Patch(pid, app).UpdateMask("authDomain,servingStatus,featureSettings.splitHealthChecks").Do()
-				if err != nil {
-					return fmt.Errorf("Error creating App Engine application: %s", err.Error())
-				}
-
-				// Wait for the operation to complete
-				waitErr := appEngineOperationWait(config.clientAppEngine, op, pid, "App Engine app to update")
-				if waitErr != nil {
-					return waitErr
-				}
-				log.Printf("[DEBUG] Updated App Engine App")
-			}
-			d.SetPartial("app_engine")
-		}
-	}
-
 	d.Partial(false)
-
 	return resourceGoogleProjectRead(d, meta)
 }
 
@@ -617,86 +512,3 @@ func updateProjectBillingAccount(d *schema.ResourceData, config *Config) error {
 	return fmt.Errorf("Timed out waiting for billing account to return correct value.  Waiting for %s, got %s.",
 		name, strings.TrimPrefix(ba.BillingAccountName, "billingAccounts/"))
 }
-
-func expandAppEngineApp(d *schema.ResourceData) (*appengine.Application, error) {
-	blocks := d.Get("app_engine").([]interface{})
-	if len(blocks) < 1 {
-		return nil, nil
-	}
-	if len(blocks) > 1 {
-		return nil, fmt.Errorf("only one app_engine block may be defined per project")
-	}
-	result := &appengine.Application{
-		AuthDomain:    d.Get("app_engine.0.auth_domain").(string),
-		LocationId:    d.Get("app_engine.0.location_id").(string),
-		Id:            d.Get("project_id").(string),
-		GcrDomain:     d.Get("app_engine.0.gcr_domain").(string),
-		ServingStatus: d.Get("app_engine.0.serving_status").(string),
-	}
-	featureSettings, err := expandAppEngineFeatureSettings(d, "app_engine.0.")
-	if err != nil {
-		return nil, err
-	}
-	result.FeatureSettings = featureSettings
-	return result, nil
-}
-
-func flattenAppEngineApp(app *appengine.Application) ([]map[string]interface{}, error) {
-	result := map[string]interface{}{
-		"auth_domain":      app.AuthDomain,
-		"code_bucket":      app.CodeBucket,
-		"default_bucket":   app.DefaultBucket,
-		"default_hostname": app.DefaultHostname,
-		"location_id":      app.LocationId,
-		"name":             app.Name,
-		"serving_status":   app.ServingStatus,
-	}
-	dispatchRules, err := flattenAppEngineDispatchRules(app.DispatchRules)
-	if err != nil {
-		return nil, err
-	}
-	result["url_dispatch_rule"] = dispatchRules
-	featureSettings, err := flattenAppEngineFeatureSettings(app.FeatureSettings)
-	if err != nil {
-		return nil, err
-	}
-	result["feature_settings"] = featureSettings
-	return []map[string]interface{}{result}, nil
-}
-
-func expandAppEngineFeatureSettings(d *schema.ResourceData, prefix string) (*appengine.FeatureSettings, error) {
-	blocks := d.Get(prefix + "feature_settings").([]interface{})
-	if len(blocks) < 1 {
-		return nil, nil
-	}
-	if len(blocks) > 1 {
-		return nil, fmt.Errorf("only one feature_settings block may be defined per app")
-	}
-	return &appengine.FeatureSettings{
-		SplitHealthChecks: d.Get(prefix + "feature_settings.0.split_health_checks").(bool),
-		// force send SplitHealthChecks, so if it's set to false it still gets disabled
-		ForceSendFields: []string{"SplitHealthChecks"},
-	}, nil
-}
-
-func flattenAppEngineFeatureSettings(settings *appengine.FeatureSettings) ([]map[string]interface{}, error) {
-	if settings == nil {
-		return []map[string]interface{}{}, nil
-	}
-	result := map[string]interface{}{
-		"split_health_checks": settings.SplitHealthChecks,
-	}
-	return []map[string]interface{}{result}, nil
-}
-
-func flattenAppEngineDispatchRules(rules []*appengine.UrlDispatchRule) ([]map[string]interface{}, error) {
-	results := make([]map[string]interface{}, 0, len(rules))
-	for _, rule := range rules {
-		results = append(results, map[string]interface{}{
-			"domain":  rule.Domain,
-			"path":    rule.Path,
-			"service": rule.Service,
-		})
-	}
-	return results, nil
-}

google/resource_google_project_test.go

@@ -187,134 +187,6 @@ func TestAccProject_parentFolder(t *testing.T) {
 	})
 }
 
-func TestAccProject_appEngineBasic(t *testing.T) {
-	t.Parallel()
-
-	org := getTestOrgFromEnv(t)
-	pid := acctest.RandomWithPrefix("tf-test")
-	resource.Test(t, resource.TestCase{
-		PreCheck:  func() { testAccPreCheck(t) },
-		Providers: testAccProviders,
-		Steps: []resource.TestStep{
-			{
-				Config: testAccProject_appEngineBasic(pid, org),
-				Check: resource.ComposeTestCheckFunc(
-					resource.TestCheckResourceAttrSet("google_project.acceptance", "app_engine.0.name"),
-					resource.TestCheckResourceAttrSet("google_project.acceptance", "app_engine.0.url_dispatch_rule.#"),
-					resource.TestCheckResourceAttrSet("google_project.acceptance", "app_engine.0.code_bucket"),
-					resource.TestCheckResourceAttrSet("google_project.acceptance", "app_engine.0.default_hostname"),
-					resource.TestCheckResourceAttrSet("google_project.acceptance", "app_engine.0.default_bucket"),
-				),
-			},
-			resource.TestStep{
-				ResourceName:      "google_project.acceptance",
-				ImportState:       true,
-				ImportStateVerify: true,
-			},
-		},
-	})
-}
-
-func TestAccProject_appEngineBasicWithBilling(t *testing.T) {
-	t.Parallel()
-
-	org := getTestOrgFromEnv(t)
-	pid := acctest.RandomWithPrefix("tf-test")
-	billingId := getTestBillingAccountFromEnv(t)
-	resource.Test(t, resource.TestCase{
-		PreCheck:  func() { testAccPreCheck(t) },
-		Providers: testAccProviders,
-		Steps: []resource.TestStep{
-			{
-				Config: testAccProject_appEngineBasicWithBilling(pid, org, billingId),
-				Check: resource.ComposeTestCheckFunc(
-					resource.TestCheckResourceAttrSet("google_project.acceptance", "app_engine.0.name"),
-					resource.TestCheckResourceAttrSet("google_project.acceptance", "app_engine.0.url_dispatch_rule.#"),
-					resource.TestCheckResourceAttrSet("google_project.acceptance", "app_engine.0.code_bucket"),
-					resource.TestCheckResourceAttrSet("google_project.acceptance", "app_engine.0.default_hostname"),
-					resource.TestCheckResourceAttrSet("google_project.acceptance", "app_engine.0.default_bucket"),
-				),
-			},
-			resource.TestStep{
-				ResourceName:      "google_project.acceptance",
-				ImportState:       true,
-				ImportStateVerify: true,
-			},
-		},
-	})
-}
-
-func TestAccProject_appEngineUpdate(t *testing.T) {
-	t.Parallel()
-
-	org := getTestOrgFromEnv(t)
-	pid := acctest.RandomWithPrefix("tf-test")
-	resource.Test(t, resource.TestCase{
-		PreCheck:  func() { testAccPreCheck(t) },
-		Providers: testAccProviders,
-		Steps: []resource.TestStep{
-			{
-				Config: testAccProject_appEngineNoApp(pid, org),
-				Check: resource.ComposeTestCheckFunc(
-					testAccCheckGoogleProjectExists("google_project.acceptance", pid),
-				),
-			},
-			{
-				Config: testAccProject_appEngineBasic(pid, org),
-				Check: resource.ComposeTestCheckFunc(
-					resource.TestCheckResourceAttrSet("google_project.acceptance", "app_engine.0.name"),
-					resource.TestCheckResourceAttrSet("google_project.acceptance", "app_engine.0.url_dispatch_rule.#"),
-					resource.TestCheckResourceAttrSet("google_project.acceptance", "app_engine.0.code_bucket"),
-					resource.TestCheckResourceAttrSet("google_project.acceptance", "app_engine.0.default_hostname"),
-					resource.TestCheckResourceAttrSet("google_project.acceptance", "app_engine.0.default_bucket"),
-				),
-			},
-			resource.TestStep{
-				ResourceName:      "google_project.acceptance",
-				ImportState:       true,
-				ImportStateVerify: true,
-			},
-			{
-				Config: testAccProject_appEngineUpdate(pid, org),
-			},
-			resource.TestStep{
-				ResourceName:      "google_project.acceptance",
-				ImportState:       true,
-				ImportStateVerify: true,
-			},
-		},
-	})
-}
-
-func TestAccProject_appEngineFeatureSettings(t *testing.T) {
-	t.Parallel()
-
-	org := getTestOrgFromEnv(t)
-	pid := acctest.RandomWithPrefix("tf-test")
-	resource.Test(t, resource.TestCase{
-		PreCheck:  func() { testAccPreCheck(t) },
-		Providers: testAccProviders,
-		Steps: []resource.TestStep{
-			{
-				Config: testAccProject_appEngineFeatureSettings(pid, org),
-			},
-			resource.TestStep{
-				ResourceName:      "google_project.acceptance",
-				ImportState:       true,
-				ImportStateVerify: true,
-			},
-			{
-				Config: testAccProject_appEngineFeatureSettingsUpdate(pid, org),
-			},
-			resource.TestStep{
-				ResourceName:      "google_project.acceptance",
-				ImportState:       true,
-				ImportStateVerify: true,
-			},
-		},
-	})
-}
-
 func testAccCheckGoogleProjectExists(r, pid string) resource.TestCheckFunc {
 	return func(s *terraform.State) error {
 		rs, ok := s.RootModule().Resources[r]
@@ -495,96 +367,6 @@ resource "google_folder" "folder1" {
 `, pid, projectName, folderName, org)
 }
 
-func testAccProject_appEngineNoApp(pid, org string) string {
-	return fmt.Sprintf(`
-resource "google_project" "acceptance" {
-  project_id = "%s"
-  name       = "%s"
-  org_id     = "%s"
-}`, pid, pid, org)
-}
-
-func testAccProject_appEngineBasic(pid, org string) string {
-	return fmt.Sprintf(`
-resource "google_project" "acceptance" {
-  project_id = "%s"
-  name       = "%s"
-  org_id     = "%s"
-
-  app_engine {
-    auth_domain    = "hashicorptest.com"
-    location_id    = "us-central"
-    serving_status = "SERVING"
-  }
-}`, pid, pid, org)
-}
-
-func testAccProject_appEngineBasicWithBilling(pid, org, billing string) string {
-	return fmt.Sprintf(`
-resource "google_project" "acceptance" {
-  project_id = "%s"
-  name       = "%s"
-  org_id     = "%s"
-
-  billing_account = "%s"
-
-  app_engine {
-    auth_domain    = "hashicorptest.com"
-    location_id    = "us-central"
-    serving_status = "SERVING"
-  }
-}`, pid, pid, org, billing)
-}
-
-func testAccProject_appEngineUpdate(pid, org string) string {
-	return fmt.Sprintf(`
-resource "google_project" "acceptance" {
-  project_id = "%s"
-  name       = "%s"
-  org_id     = "%s"
-
-  app_engine {
-    auth_domain    = "tf-test.club"
-    location_id    = "us-central"
-    serving_status = "USER_DISABLED"
-  }
-}`, pid, pid, org)
-}
-
-func testAccProject_appEngineFeatureSettings(pid, org string) string {
-	return fmt.Sprintf(`
-resource "google_project" "acceptance" {
-  project_id = "%s"
-  name       = "%s"
-  org_id     = "%s"
-
-  app_engine {
-    location_id = "us-central"
-
-    feature_settings {
-      "split_health_checks" = true
-    }
-  }
-}`, pid, pid, org)
-}
-
-func testAccProject_appEngineFeatureSettingsUpdate(pid, org string) string {
-	return fmt.Sprintf(`
-resource "google_project" "acceptance" {
-  project_id = "%s"
-  name       = "%s"
-  org_id     = "%s"
-
-  app_engine {
-    location_id = "us-central"
-
-    feature_settings {
-      "split_health_checks" = false
-    }
-  }
-}`, pid, pid, org)
-}
-
 func skipIfEnvNotSet(t *testing.T, envs ...string) {
 	for _, k := range envs {
 		if os.Getenv(k) == "" {

website/docs/r/google_project.html.markdown

@@ -61,20 +61,6 @@ resource "google_folder" "department1" {
 }
 ```
 
-To create a project with an App Engine app attached
-
-```hcl
-resource "google_project" "my-app-engine-app" {
-  name = "App Engine Project"
-  project_id = "app-engine-project"
-  org_id = "1234567"
-
-  app_engine {
-    location_id = "us-central"
-  }
-}
-```
-
 ## Argument Reference
 
 The following arguments are supported:
@@ -113,19 +99,6 @@ The following arguments are supported:
     name to match the GCP Console UI. Setting this field to false will enable the Compute Engine
     API which is required to delete the network.
 
-* `app_engine` - (Optional) A block of configuration to enable an App Engine app. Setting this
-   field will enabled the App Engine Admin API, which is required to manage the app.
-
-The `app_engine` block has the following configuration options:
-
-* `location_id` - (Required) The [location](https://cloud.google.com/appengine/docs/locations)
-   to serve the app from.
-* `auth_domain` - (Optional) The domain to authenticate users with when using App Engine's User API.
-* `serving_status` - (Optional) The serving status of the app. Note that this can't be updated at the moment.
-* `feature_settings` - (Optional) A block of optional settings to configure specific App Engine features:
-  * `split_health_checks` - (Optional) Set to false to use the legacy health check instead of the readiness
-    and liveness checks.
-
 ## Attributes Reference
 
 In addition to the arguments listed above, the following computed attributes are
@@ -133,13 +106,6 @@ exported:
 
 * `number` - The numeric identifier of the project.
 
-* `app_engine.0.name` - Unique name of the app, usually `apps/{PROJECT_ID}`
-* `app_engine.0.url_dispatch_rule` - A list of dispatch rule blocks. Each block has a `domain`, `path`, and `service` field.
-* `app_engine.0.code_bucket` - The GCS bucket code is being stored in for this app.
-* `app_engine.0.default_hostname` - The default hostname for this app.
-* `app_engine.0.default_bucket` - The GCS bucket content is being stored in for this app.
-* `app_engine.0.gcr_domain` - The GCR domain used for storing managed Docker images for this app.
-
 ## Import
 
 Projects can be imported using the `project_id`, e.g.