Configuring Rails Applications
This guide covers the configuration and initialization features available to Rails applications. By referring to this guide, you will be able to:
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Adjust the behavior of your Rails applications
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Add additional code to be run at application start time
1. Locations for Initialization Code
preinitializers environment.rb first env-specific files initializers (load_application_initializers) after-initializer
2. Using a Preinitializer
3. Configuring Rails Components
3.1. Configuring Active Record
3.2. Configuring Action Controller
3.3. Configuring Action View
3.4. Configuring Action Mailer
3.5. Configuring Active Resource
3.6. Configuring Active Support
4. Using Initializers
organization, controlling load order
5. Using an After-Initializer
6. Changelog
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November 5, 2008: Rough outline by Mike Gunderloy
actionmailer/lib/action_mailer/base.rb 257: cattr_accessor :logger 267: cattr_accessor :smtp_settings 273: cattr_accessor :sendmail_settings 276: cattr_accessor :raise_delivery_errors 282: cattr_accessor :perform_deliveries 285: cattr_accessor :deliveries 288: cattr_accessor :default_charset 291: cattr_accessor :default_content_type 294: cattr_accessor :default_mime_version 297: cattr_accessor :default_implicit_parts_order 299: cattr_reader :protected_instance_variables
actionmailer/Rakefile 36: rdoc.options << —line-numbers << —inline-source << -A cattr_accessor=object
actionpack/lib/action_controller/base.rb 263: cattr_reader :protected_instance_variables 273: cattr_accessor :asset_host 279: cattr_accessor :consider_all_requests_local 285: cattr_accessor :allow_concurrency 317: cattr_accessor :param_parsers 321: cattr_accessor :default_charset 325: cattr_accessor :logger 329: cattr_accessor :resource_action_separator 333: cattr_accessor :resources_path_names 337: cattr_accessor :request_forgery_protection_token 341: cattr_accessor :optimise_named_routes 351: cattr_accessor :use_accept_header 361: cattr_accessor :relative_url_root
actionpack/lib/action_controller/caching/pages.rb 55: cattr_accessor :page_cache_directory 58: cattr_accessor :page_cache_extension
actionpack/lib/action_controller/caching.rb 37: cattr_reader :cache_store 48: cattr_accessor :perform_caching
actionpack/lib/action_controller/dispatcher.rb 98: cattr_accessor :error_file_path
actionpack/lib/action_controller/mime_type.rb 24: cattr_reader :html_types, :unverifiable_types
actionpack/lib/action_controller/rescue.rb 36: base.cattr_accessor :rescue_responses 40: base.cattr_accessor :rescue_templates
actionpack/lib/action_controller/session/active_record_store.rb 60: cattr_accessor :data_column_name 170: cattr_accessor :connection 173: cattr_accessor :table_name 177: cattr_accessor :session_id_column 181: cattr_accessor :data_column 282: cattr_accessor :session_class
actionpack/lib/action_controller/vendor/html-scanner/html/sanitizer.rb 44: cattr_accessor :included_tags, :instance_writer ⇒ false
actionpack/lib/action_view/base.rb 189: cattr_accessor :debug_rjs 193: cattr_accessor :warn_cache_misses
actionpack/lib/action_view/helpers/active_record_helper.rb 7: cattr_accessor :field_error_proc
actionpack/lib/action_view/helpers/form_helper.rb 805: cattr_accessor :default_form_builder
actionpack/lib/action_view/template_handlers/erb.rb 47: cattr_accessor :erb_trim_mode
actionpack/test/active_record_unit.rb 5: cattr_accessor :able_to_connect 6: cattr_accessor :connected
actionpack/test/controller/filters_test.rb 286: cattr_accessor :execution_log
actionpack/test/template/form_options_helper_test.rb 3:TZInfo::Timezone.cattr_reader :loaded_zones
activemodel/lib/active_model/errors.rb 28: cattr_accessor :default_error_messages
activemodel/Rakefile 19: rdoc.options << —line-numbers << —inline-source << -A cattr_accessor=object
activerecord/lib/active_record/attribute_methods.rb 9: base.cattr_accessor :attribute_types_cached_by_default, :instance_writer ⇒ false 11: base.cattr_accessor :time_zone_aware_attributes, :instance_writer ⇒ false
activerecord/lib/active_record/base.rb 394: cattr_accessor :logger, :instance_writer ⇒ false 443: cattr_accessor :configurations, :instance_writer ⇒ false 450: cattr_accessor :primary_key_prefix_type, :instance_writer ⇒ false 456: cattr_accessor :table_name_prefix, :instance_writer ⇒ false 461: cattr_accessor :table_name_suffix, :instance_writer ⇒ false 467: cattr_accessor :pluralize_table_names, :instance_writer ⇒ false 473: cattr_accessor :colorize_logging, :instance_writer ⇒ false 478: cattr_accessor :default_timezone, :instance_writer ⇒ false 487: cattr_accessor :schema_format , :instance_writer ⇒ false 491: cattr_accessor :timestamped_migrations , :instance_writer ⇒ false
activerecord/lib/active_record/connection_adapters/abstract/connection_specification.rb 11: cattr_accessor :connection_handler, :instance_writer ⇒ false
activerecord/lib/active_record/connection_adapters/mysql_adapter.rb 166: cattr_accessor :emulate_booleans
activerecord/lib/active_record/fixtures.rb 498: cattr_accessor :all_loaded_fixtures
activerecord/lib/active_record/locking/optimistic.rb 38: base.cattr_accessor :lock_optimistically, :instance_writer ⇒ false
activerecord/lib/active_record/migration.rb 259: cattr_accessor :verbose
activerecord/lib/active_record/schema_dumper.rb 13: cattr_accessor :ignore_tables
activerecord/lib/active_record/serializers/json_serializer.rb 4: base.cattr_accessor :include_root_in_json, :instance_writer ⇒ false
activerecord/Rakefile 142: rdoc.options << —line-numbers << —inline-source << -A cattr_accessor=object
activerecord/test/cases/lifecycle_test.rb 61: cattr_reader :last_inherited
activerecord/test/cases/mixin_test.rb 9: cattr_accessor :forced_now_time
activeresource/lib/active_resource/base.rb 206: cattr_accessor :logger
activeresource/Rakefile 43: rdoc.options << —line-numbers << —inline-source << -A cattr_accessor=object
activesupport/lib/active_support/buffered_logger.rb 17: cattr_accessor :silencer
activesupport/lib/active_support/cache.rb 81: cattr_accessor :logger
activesupport/lib/active_support/core_ext/class/attribute_accessors.rb 5:# cattr_accessor :hair_colors 10: def cattr_reader(*syms) 29: def cattr_writer(*syms) 50: def cattr_accessor(*syms) 51: cattr_reader(*syms) 52: cattr_writer(*syms)
activesupport/lib/active_support/core_ext/logger.rb 34: cattr_accessor :silencer
activesupport/test/core_ext/class/attribute_accessor_test.rb 6: cattr_accessor :foo 7: cattr_accessor :bar, :instance_writer ⇒ false
activesupport/test/core_ext/module/synchronization_test.rb 6: @target.cattr_accessor :mutex, :instance_writer ⇒ false
railties/doc/guides/html/creating_plugins.html 786: cattr_accessor <span style="color: #990000">:</span>yaffle_text_field<span style="color: #990000">,</span> <span style="color: #990000">:</span>yaffle_date_field 860: cattr_accessor <span style="color: #990000">:</span>yaffle_text_field<span style="color: #990000">,</span> <span style="color: #990000">:</span>yaffle_date_field
railties/lib/rails_generator/base.rb 93: cattr_accessor :logger
railties/Rakefile 265: rdoc.options << —line-numbers << —inline-source << —accessor << cattr_accessor=object
railties/test/rails_info_controller_test.rb 12: cattr_accessor :local_request
Rakefile 32: rdoc.options << -A cattr_accessor=object