fix async

config/application.rb

@@ -26,6 +26,8 @@ module Volunteers
     config.hosts << "green-machine.local" #our "staging"
     config.hosts << "volunteers.hubfeenix.fi" #production
 
+    config.active_job.queue_adapter     = :sucker_punch
+
     # Configuration for the application, engines, and railties goes here.
     #
     # These settings can be overridden in specific environments using the files

config/initializers/devise.rb

@@ -309,4 +309,6 @@ Devise.setup do |config|
   # changed. Defaults to true, so a user is signed in automatically after changing a password.
   # config.sign_in_after_change_password = true
 end
-Devise::Async.backend = :sucker_punch
+Devise::Async.setup do |config|
+  config.enabled = true
+end