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Diffstat (limited to 'guides/source/configuring.md')
| -rw-r--r-- | guides/source/configuring.md | 79 |
1 files changed, 44 insertions, 35 deletions
diff --git a/guides/source/configuring.md b/guides/source/configuring.md index fbf3c27957..1234e1f192 100644 --- a/guides/source/configuring.md +++ b/guides/source/configuring.md @@ -32,7 +32,7 @@ Configuring Rails Components In general, the work of configuring Rails means configuring the components of Rails, as well as configuring Rails itself. The configuration file `config/application.rb` and environment-specific configuration files (such as `config/environments/production.rb`) allow you to specify the various settings that you want to pass down to all of the components. -For example, the `config/application.rb` file includes this setting: +For example, you could add this setting to `config/application.rb` file: ```ruby config.time_zone = 'Central Time (US & Canada)' @@ -108,9 +108,9 @@ application. Accepts a valid week day symbol (e.g. `:monday`). you don't want shown in the logs, such as passwords or credit card numbers. By default, Rails filters out passwords by adding `Rails.application.config.filter_parameters += [:password]` in `config/initializers/filter_parameter_logging.rb`. Parameters filter works by partial matching regular expression. -* `config.force_ssl` forces all requests to be served over HTTPS by using the `ActionDispatch::SSL` middleware, and sets `config.action_mailer.default_url_options` to be `{ protocol: 'https' }`. This can be configured by setting `config.ssl_options` - see the [ActionDispatch::SSL documentation](http://edgeapi.rubyonrails.org/classes/ActionDispatch/SSL.html) for details. +* `config.force_ssl` forces all requests to be served over HTTPS by using the `ActionDispatch::SSL` middleware, and sets `config.action_mailer.default_url_options` to be `{ protocol: 'https' }`. This can be configured by setting `config.ssl_options` - see the [ActionDispatch::SSL documentation](http://api.rubyonrails.org/classes/ActionDispatch/SSL.html) for details. -* `config.log_formatter` defines the formatter of the Rails logger. This option defaults to an instance of `ActiveSupport::Logger::SimpleFormatter` for all modes except production, where it defaults to `Logger::Formatter`. If you are setting a value for `config.logger` you must manually pass the value of your formatter to your logger before it is wrapped in an `ActiveSupport::TaggedLogging` instance, Rails will not do it for you. +* `config.log_formatter` defines the formatter of the Rails logger. This option defaults to an instance of `ActiveSupport::Logger::SimpleFormatter` for all modes. If you are setting a value for `config.logger` you must manually pass the value of your formatter to your logger before it is wrapped in an `ActiveSupport::TaggedLogging` instance, Rails will not do it for you. * `config.log_level` defines the verbosity of the Rails logger. This option defaults to `:debug` for all environments. The available log levels are: `:debug`, @@ -175,10 +175,12 @@ pipeline is enabled. It is set to `true` by default. * `config.assets.manifest` defines the full path to be used for the asset precompiler's manifest file. Defaults to a file named `manifest-<random>.json` in the `config.assets.prefix` directory within the public folder. -* `config.assets.digest` enables the use of MD5 fingerprints in asset names. Set to `true` by default. +* `config.assets.digest` enables the use of SHA256 fingerprints in asset names. Set to `true` by default. * `config.assets.debug` disables the concatenation and compression of assets. Set to `true` by default in `development.rb`. +* `config.assets.version` is an option string that is used in SHA256 hash generation. This can be changed to force all files to be recompiled. + * `config.assets.compile` is a boolean that can be used to turn on live Sprockets compilation in production. * `config.assets.logger` accepts a logger conforming to the interface of Log4r or the default Ruby `Logger` class. Defaults to the same configured at `config.logger`. Setting `config.assets.logger` to `false` will turn off served assets logging. @@ -348,9 +350,9 @@ All these configuration options are delegated to the `I18n` library. `config/environments/production.rb` which is generated by Rails. The default value is `true` if this configuration is not set. -* `config.active_record.dump_schemas` controls which database schemas will be dumped when calling db:structure:dump. - The options are `:schema_search_path` (the default) which dumps any schemas listed in schema_search_path, - `:all` which always dumps all schemas regardless of the schema_search_path, +* `config.active_record.dump_schemas` controls which database schemas will be dumped when calling `db:structure:dump`. + The options are `:schema_search_path` (the default) which dumps any schemas listed in `schema_search_path`, + `:all` which always dumps all schemas regardless of the `schema_search_path`, or a string of comma separated schemas. * `config.active_record.belongs_to_required_by_default` is a boolean value and @@ -360,12 +362,17 @@ All these configuration options are delegated to the `I18n` library. * `config.active_record.warn_on_records_fetched_greater_than` allows setting a warning threshold for query result size. If the number of records returned by a query exceeds the threshold, a warning is logged. This can be used to - identify queries which might be causing memory bloat. + identify queries which might be causing a memory bloat. * `config.active_record.index_nested_attribute_errors` allows errors for nested - has_many relationships to be displayed with an index as well as the error. + `has_many` relationships to be displayed with an index as well as the error. Defaults to `false`. +* `config.active_record.use_schema_cache_dump` enables users to get schema cache information + from `db/schema_cache.yml` (generated by `bin/rails db:schema:cache:dump`), instead of + having to send a query to the database to get this information. + Defaults to `true`. + The MySQL adapter adds one additional configuration option: * `ActiveRecord::ConnectionAdapters::Mysql2Adapter.emulate_booleans` controls whether Active Record will consider all `tinyint(1)` columns as booleans. Defaults to `true`. @@ -449,10 +456,14 @@ to `'http authentication'`. Defaults to `'signed cookie'`. * `config.action_dispatch.encrypted_cookie_salt` sets the encrypted cookies salt -value. Defaults to `'encrypted cookie'`. + value. Defaults to `'encrypted cookie'`. * `config.action_dispatch.encrypted_signed_cookie_salt` sets the signed -encrypted cookies salt value. Defaults to `'signed encrypted cookie'`. + encrypted cookies salt value. Defaults to `'signed encrypted cookie'`. + +* `config.action_dispatch.authenticated_encrypted_cookie_salt` sets the + authenticated encrypted cookie salt. Defaults to `'authenticated encrypted + cookie'`. * `config.action_dispatch.perform_deep_munge` configures whether `deep_munge` method should be performed on the parameters. See [Security Guide](security.html#unsafe-query-generation) @@ -462,23 +473,23 @@ encrypted cookies salt value. Defaults to `'signed encrypted cookie'`. ```ruby config.action_dispatch.rescue_responses = { - 'ActionController::RoutingError' => :not_found, - 'AbstractController::ActionNotFound' => :not_found, - 'ActionController::MethodNotAllowed' => :method_not_allowed, - 'ActionController::UnknownHttpMethod' => :method_not_allowed, - 'ActionController::NotImplemented' => :not_implemented, - 'ActionController::UnknownFormat' => :not_acceptable, - 'ActionController::InvalidAuthenticityToken' => :unprocessable_entity, - 'ActionController::InvalidCrossOriginRequest' => :unprocessable_entity, - 'ActionDispatch::ParamsParser::ParseError' => :bad_request, - 'ActionController::BadRequest' => :bad_request, - 'ActionController::ParameterMissing' => :bad_request, - 'Rack::QueryParser::ParameterTypeError' => :bad_request, - 'Rack::QueryParser::InvalidParameterError' => :bad_request, - 'ActiveRecord::RecordNotFound' => :not_found, - 'ActiveRecord::StaleObjectError' => :conflict, - 'ActiveRecord::RecordInvalid' => :unprocessable_entity, - 'ActiveRecord::RecordNotSaved' => :unprocessable_entity + 'ActionController::RoutingError' => :not_found, + 'AbstractController::ActionNotFound' => :not_found, + 'ActionController::MethodNotAllowed' => :method_not_allowed, + 'ActionController::UnknownHttpMethod' => :method_not_allowed, + 'ActionController::NotImplemented' => :not_implemented, + 'ActionController::UnknownFormat' => :not_acceptable, + 'ActionController::InvalidAuthenticityToken' => :unprocessable_entity, + 'ActionController::InvalidCrossOriginRequest' => :unprocessable_entity, + 'ActionDispatch::Http::Parameters::ParseError' => :bad_request, + 'ActionController::BadRequest' => :bad_request, + 'ActionController::ParameterMissing' => :bad_request, + 'Rack::QueryParser::ParameterTypeError' => :bad_request, + 'Rack::QueryParser::InvalidParameterError' => :bad_request, + 'ActiveRecord::RecordNotFound' => :not_found, + 'ActiveRecord::StaleObjectError' => :conflict, + 'ActiveRecord::RecordInvalid' => :unprocessable_entity, + 'ActiveRecord::RecordNotSaved' => :unprocessable_entity } ``` @@ -486,8 +497,6 @@ encrypted cookies salt value. Defaults to `'signed encrypted cookie'`. * `ActionDispatch::Callbacks.before` takes a block of code to run before the request. -* `ActionDispatch::Callbacks.to_prepare` takes a block to run after `ActionDispatch::Callbacks.before`, but before the request. Runs for every request in `development` mode, but only once for `production` or environments with `cache_classes` set to `true`. - * `ActionDispatch::Callbacks.after` takes a block of code to run after the request. ### Configuring Action View @@ -536,6 +545,8 @@ encrypted cookies salt value. Defaults to `'signed encrypted cookie'`. * `config.action_view.debug_missing_translation` determines whether to wrap the missing translations key in a `<span>` tag or not. This defaults to `true`. +* `config.action_view.form_with_generates_remote_forms` determines whether `form_with` generates remote forms or not. This defaults to `true`. + ### Configuring Action Mailer There are a number of settings available on `config.action_mailer`: @@ -624,8 +635,6 @@ There are a few configuration options available in Active Support: * `config.active_support.time_precision` sets the precision of JSON encoded time values. Defaults to `3`. -* `ActiveSupport.halt_callback_chains_on_return_false` specifies whether Active Record and Active Model callback chains can be halted by returning `false` in a 'before' callback. When set to `false`, callback chains are halted only when explicitly done so with `throw(:abort)`. When set to `true`, callback chains are halted when a callback returns `false` (the previous behavior before Rails 5) and a deprecation warning is given. Defaults to `true` during the deprecation period. New Rails 5 apps generate an initializer file called `new_framework_defaults.rb` which sets the value to `false`. This file is *not* added when running `rails app:update`, so returning `false` will still work on older apps ported to Rails 5 and display a deprecation warning to prompt users to update their code. - * `ActiveSupport::Logger.silencer` is set to `false` to disable the ability to silence logging in a block. The default is `true`. * `ActiveSupport::Cache::Store.logger` specifies the logger to use within cache store operations. @@ -1181,7 +1190,7 @@ Below is a comprehensive list of all the initializers found in Rails in the orde * `finisher_hook`: Provides a hook for after the initialization of process of the application is complete, as well as running all the `config.after_initialize` blocks for the application, railties and engines. -* `set_routes_reloader`: Configures Action Dispatch to reload the routes file using `ActionDispatch::Callbacks.to_prepare`. +* `set_routes_reloader_hook`: Configures Action Dispatch to reload the routes file using `ActiveSupport::Callbacks.to_run`. * `disable_dependency_loading`: Disables the automatic dependency loading if the `config.eager_load` is set to `true`. @@ -1296,14 +1305,14 @@ evented file system monitor to detect changes when `config.cache_classes` is ```ruby group :development do - gem 'listen', '~> 3.0.4' + gem 'listen', '>= 3.0.5', '< 3.2' end ``` Otherwise, in every request Rails walks the application tree to check if anything has changed. -On Linux and Mac OS X no additional gems are needed, but some are required +On Linux and macOS no additional gems are needed, but some are required [for *BSD](https://github.com/guard/listen#on-bsd) and [for Windows](https://github.com/guard/listen#on-windows). |