-require File.expand_path('../boot', __FILE__)
-
-require File.expand_path('../preinitializer', __FILE__)
-
-if STATUS == :database_offline
-require "action_controller/railtie"
-require "action_mailer/railtie"
-require "active_resource/railtie"
-require "sprockets/railtie"
-require "rails/test_unit/railtie"
+require_relative "boot"
+
+# Guard against deployments with old-style application.yml configurations
+# Otherwise, admins might not be aware that they are now silently ignored
+# and major problems could occur
+# rubocop:disable Rails/Output, Rails/Exit
+if File.exist?(File.expand_path("application.yml", __dir__))
+ puts "The config/application.yml file is no longer supported"
+ puts "Default settings are now found in config/settings.yml and you can override these in config/settings.local.yml"
+ puts "To prevent unexpected behaviour, please copy any custom settings to config/settings.local.yml"
+ puts " and then remove your config/application.yml file."
+ exit!
+end
+# rubocop:enable Rails/Output, Rails/Exit
+
+if ENV["OPENSTREETMAP_STATUS"] == "database_offline"
+ require "active_model/railtie"
+ require "active_job/railtie"
+ require "active_storage/engine"
+ require "action_controller/railtie"
+ require "action_mailer/railtie"
+ require "action_view/railtie"
+ require "action_cable/engine"
+ require "sprockets/railtie"
+ require "rails/test_unit/railtie"