I don’t know about nginx 0.5.5, but latest as-of-today (I think) 0.5.10 has pretty easy to use virtual server support. I don’t know how you missed it, you just have to define multiple server{} sections, and inside each of them use the appropiate listen/server_name directives. I’ve ported my 5 sites running on same server pretty easy, some even using https (but on a port different from 443, of course).
I don’t know about nginx 0.5.5, but latest as-of-today (I think) 0.5.10 has pretty easy to use virtual server support. I don’t know how you missed it, you just have to define multiple server{} sections, and inside each of them use the appropiate listen/server_name directives. I’ve ported my 5 sites running on same server pretty easy, some even using https (but on a port different from 443, of course).