diff --git a/README.md b/README.md
index 6d1c6b1..00cca0c 100644
--- a/README.md
+++ b/README.md
@@ -39,9 +39,68 @@ https://github.com/basejump/grails-vue-todomvc/tree/Phase2-todomvc-example-copy
 Copy setup from https://vuejs.org/v2/examples/todomvc.html
 
 ## Phase 3 - Stock Grails Rest Application
+https://github.com/basejump/grails-vue-todomvc/tree/Phase3-Stock-Grails-Rest-App
 
 ``` bash
 $ grails create-app -profile rest-api -features hibernate5 grails-server
 
 | Grails Version: 3.2.9
 ```
+
+## Phase 4 - Grails Todo Rest Setup
+
+create the Todo domain
+
+``` bash
+$ grails create-domain-class Todo
+```
+
+``` groovy
+import grails.rest.Resource
+
+@Resource(uri = '/todo', formats = ["json"])
+class Todo {
+	
+	String title
+	Boolean completed = false
+	Boolean archived = false
+
+    static constraints = {
+    	title nullable: false
+    	completed nullable: false
+    	archived nullable: false
+    }
+}
+```
+
+turn on cors in the application.yml
+
+```
+grails:
+    cors:
+        enabled: true
+```
+
+add some rows for sanity check
+``` groovy
+class BootStrap {
+    def init = { servletContext ->
+        new Todo(title:"Buy beer",completed:true).save(failOnError:true,flush: true)
+        new Todo(title:"Drink beer").save(failOnError:true,flush: true)
+        new Todo(title:"Create Vue/Grails TodoMVC example").save(failOnError:true,flush: true)
+    }
+...
+```
+
+run-app and sanity check it with curl
+
+``` bash
+$ curl -i -X GET -H "Content-Type: application/json"  localhost:8080/todo
+HTTP/1.1 200
+X-Application-Context: application:development
+Content-Type: application/json;charset=UTF-8
+Transfer-Encoding: chunked
+Date: Sun, 07 May 2017 06:01:57 GMT
+
+[{"id":1,"archived":false,"completed":false,"title":"Buy beer"},{"id":2,"archived":false,"completed":false,"title":"Drink beer"}]
+```
\ No newline at end of file
diff --git a/grails-server/grails-app/conf/application.yml b/grails-server/grails-app/conf/application.yml
index 71cf7be..8c622ab 100644
--- a/grails-server/grails-app/conf/application.yml
+++ b/grails-server/grails-app/conf/application.yml
@@ -14,6 +14,8 @@ grails:
             # Whether to translate GORM events into Reactor events
             # Disabled by default for performance reasons
             events: false
+    cors:
+        enabled: true
 info:
     app:
         name: '@info.app.name@'
diff --git a/grails-server/grails-app/controllers/grails/server/UrlMappings.groovy b/grails-server/grails-app/controllers/grails/server/UrlMappings.groovy
index 0df1f9a..0407b07 100644
--- a/grails-server/grails-app/controllers/grails/server/UrlMappings.groovy
+++ b/grails-server/grails-app/controllers/grails/server/UrlMappings.groovy
@@ -3,12 +3,17 @@ package grails.server
 class UrlMappings {
 
     static mappings = {
+        
+        group("/api") {
+        
         delete "/$controller/$id(.$format)?"(action:"delete")
         get "/$controller(.$format)?"(action:"index")
         get "/$controller/$id(.$format)?"(action:"show")
         post "/$controller(.$format)?"(action:"save")
         put "/$controller/$id(.$format)?"(action:"update")
         patch "/$controller/$id(.$format)?"(action:"patch")
+        
+        }
 
         "/"(controller: 'application', action:'index')
         "500"(view: '/error')
diff --git a/grails-server/grails-app/domain/grails/server/Todo.groovy b/grails-server/grails-app/domain/grails/server/Todo.groovy
new file mode 100644
index 0000000..0f68e26
--- /dev/null
+++ b/grails-server/grails-app/domain/grails/server/Todo.groovy
@@ -0,0 +1,17 @@
+package grails.server
+
+import grails.rest.Resource
+
+@Resource(uri = '/todo', namespace = '/api', formats = ["json"])
+class Todo {
+	
+	String title
+	Boolean completed = false
+	Boolean archived = false
+
+    static constraints = {
+    	title nullable: false
+    	completed nullable: false
+    	archived nullable: false
+    }
+}
\ No newline at end of file
diff --git a/grails-server/grails-app/init/grails/server/BootStrap.groovy b/grails-server/grails-app/init/grails/server/BootStrap.groovy
index 08d4283..4fb7721 100644
--- a/grails-server/grails-app/init/grails/server/BootStrap.groovy
+++ b/grails-server/grails-app/init/grails/server/BootStrap.groovy
@@ -1,8 +1,10 @@
 package grails.server
 
 class BootStrap {
-
     def init = { servletContext ->
+        new Todo(title:"Buy beer",completed:true).save(failOnError:true,flush: true)
+        new Todo(title:"Drink beer").save(failOnError:true,flush: true)
+        new Todo(title:"Create Vue/Grails TodoMVC example").save(failOnError:true,flush: true)
     }
     def destroy = {
     }