管理Rails应用程序配置设置的最佳方法是否仍存在于数据库中？

I was hoping someone could suggest some best practices for configuring Rails applications using a database (i.e. persisting configuration settings to a database rather than a flat file). My reasoning for this is that I have an application that will run on multiple servers and there are some configuration settings that are fairly dynamic and I would want to change them without having to make a change on every server.I was hoping someone could suggest some best pr