Where to store meta data in rails?

Question

Ruby on Rails

I need to store some meta data in my rails application, what's the best way to do it?
Storage conditions:
- The data is in a single instance and may change
Beneath the meta data may be hash-settings for the app, which can be changed from within the application.

Answer 1

For example, in initializers you create a Singleton class

Answer 2

I think the easiest way is in the db. Cache if necessary.

Answer 3

https://github.com/kaize/configus
or
https://github.com/kaize/configus#similar