Create a controller

app/controllers/people_controller.rb

@@ -0,0 +1,7 @@
+class PeopleController < ApplicationController
+    def index
+        # render({ :json => { :message => 'hi', :status => 200 } })
+        # render json: message: 'hi', status: 200 # doesn't work because nested objects are unguessable
+        render json: { message: 'hi', status: 200 }
+    end
+end