Merge pull request hashicorp#1503 from terraform-providers/paddy_app_…

…engine_app

Add App Engine Application support

docs/r/google_project.html.markdown

@@ -61,6 +61,20 @@ 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:
@@ -103,6 +117,19 @@ 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<Paste>)
+   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
@@ -115,6 +142,13 @@ exported:
     `etag` property instead; future versions of Terraform will remove the `policy_etag`
     attribute
 
+* `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.