1 files changed, 5 insertions, 3 deletions
diff --git a/db/migrate/20150221192553_create_users.rb b/db/migrate/20150221192553_create_users.rb
index 72a9f38..f1a7146 100644
--- a/db/migrate/20150221192553_create_users.rb
+++ b/db/migrate/20150221192553_create_users.rb
@@ -1,10 +1,12 @@
 class CreateUsers < ActiveRecord::Migration
   def change
-    create_table :users do |t|
-      t.string :username
-      t.string :password_digest
+    create_table :users, id: :uuid, default: 'uuid_generate_v4()' do |t|
+      t.string :username, null: false
+      t.string :password_digest, null: false
 
       t.timestamps null: false
     end
+
+    add_index :users, :username, unique: true
   end
 end