hosting http and https domains with lighttpd

I have two domains, one with an SSL certificate and one without. I wanted to host these on the same lighttpd server which only has one IP address.

There are several forum threads and lighty wiki articles about this, but none really cover a concise example of how to do it. Many parts of the documentation are confusing and non-obvious, the situation is not helped by the fact that you cannot do name-based SSL hosting, so what you'd expect to be the logical configuration doesn't work.

After staring at these for a few hours:

• Documentation: Module: mod_redirect
• How to redirect www
• How to redirect http to https 
• Simple SSL configuration
• Documentation: Secure HTTP

And a lot of trial-and-error, here's the config I ended up using: