* +config.cache_classes+ controls whether or not application classes should be reloaded on each request. Defaults to _true_ in development, _false_ in test and production. Can also be enabled with +threadsafe!+.
* +config.action_view.cache_template_loading+ controls whether or not templates should be reloaded on each request. Defaults to whatever is set for config.cache_classes.
* +config.cache_store+ configures which cache store to use for Rails caching. Options include +:memory_store+, +:file_store+, +:mem_cache_store+ or the name of your own custom class. Defaults to +:file_store+.
* +config.colorize_logging+ specifies whether or not to use ANSI color codes when logging information. Defaults to _true_.