Update to Rails 7

config/application.rb

@@ -1,6 +1,18 @@
 require_relative 'boot'
 
-require 'rails/all'
+require 'rails'
+# Pick the frameworks you want:
+require 'active_model/railtie'
+# require 'active_job/railtie'
+require 'active_record/railtie'
+# require 'active_storage/engine'
+require 'action_controller/railtie'
+require 'action_mailer/railtie'
+# require 'action_mailbox/engine'
+# require 'action_text/engine'
+require 'action_view/railtie'
+# require 'action_cable/engine'
+require 'rails/test_unit/railtie'
 
 # Require the gems listed in Gemfile, including any gems
 # you've limited to :test, :development, or :production.
@@ -9,7 +21,7 @@ Bundler.require(*Rails.groups)
 module Osem
   class Application < Rails::Application
     # Initialize configuration defaults for originally generated Rails version.
-    config.load_defaults 5.0
+    config.load_defaults 7.0
 
     # Configuration for the application, engines, and railties goes here.
     #
@@ -19,8 +31,7 @@ module Osem
     config.time_zone = ENV.fetch('OSEM_TIME_ZONE') { 'UTC' }
     # Enable escaping HTML in JSON.
     config.active_support.escape_html_entities_in_json = true
-    config.active_record.sqlite3.represent_boolean_as_integer = false
-    # Require `belongs_to` associations by default. Previous versions had false.
-    config.active_record.belongs_to_required_by_default = false
+    # Don't generate system test files.
+    config.generators.system_tests = nil
   end
 end