nginx and self-healing S3 static hosting

[Ian M. Evans]

Jean-Philippe wrote:
> However this rewrite system does not seem clean. I think it would be 
> better to simply use dns and subdomains for your static files, and 
> change the subdomain used when s3 is down.

I'm not sure I'm totally following this last paragraph.

Do you mean have two cnames, say, s3.example.com and local.example.com 
and change the rewrite depending on the check files existence?

Sorry...up in the wee hours with a head cold. :-(