[pingswept]

You can. I've done this using a different web editor based on CodeMirror: https://github.com/rascalmicro/red

I do suspect that Xylakant may be right elsewhere in this thread when she points out that it's not possible on Heroku, but I'm not sure.

Anyway, I would love to see Ghost use a pile of static Markdown files rather than a database for posts. Then, in a couple of years, when I want to use something else, I can take my pile of Markdown files and move along.