[danShumway]

I've been wanting to set something like this up with Hacker News. The problem is that you have to do it two-stage; your website needs to go live, then you need to post it (so you can get the post url), then you need to update the website.

It's not insurmountable, it's just a bit harder than it should be to automate, especially if you're running a static site or something that takes a minute or two to go live. I'd love if social sites had some kind of API for settting up a draft post or deterministic urls, so you could pre-include the link during your build step.