[ansible] added service role

config/deploy/dev.rb

@@ -2,7 +2,7 @@ role :app, %w{localhost}
 role :web, %w{localhost}
 role :db, %w{localhost}
 
-set :user, ENV['USER']
+#set :user, ENV['USER']
 user = fetch(:user)
 
 server 'localhost', ssh_options: { port: 22, user: user, forward_agent: true }