set delayed_job as job runner in production

config/environments/production.rb

@@ -25,10 +25,10 @@
   config.public_file_server.enabled = ENV['RAILS_SERVE_STATIC_FILES'].present?
 
   # Compress CSS using a preprocessor.
-  # 
+  #
 
   # Do not fallback to assets pipeline if a precompiled asset is missed.
-  
+
 
   # Enable serving of images, stylesheets, and JavaScripts from an asset server.
   config.asset_host = ENV['RAILS_ASSET_HOST'] if ENV['RAILS_ASSET_HOST'].present?
@@ -59,7 +59,7 @@
   # config.cache_store = :mem_cache_store
 
   # Use a real queuing backend for Active Job (and separate queues per environment).
-  # config.active_job.queue_adapter     = :resque
+  config.active_job.queue_adapter = :delayed_job
   # config.active_job.queue_name_prefix = "decidim_application_production"
 
   config.action_mailer.perform_caching = false