We built this after going through some of the on-boarding pain points that Ghost has heard from their customers. Getting the config file right was one of the top issues.

It also happens to corresponds with us moving over to Ghost as our blogging platform, which has been a great improvement for us. The writing experience is much better than the other blogging platforms we have tried.

We wrote a blog post about it here: http://blog.mailgun.com/mailguns-new-blog-platform-is-hosted...