Rails - access a subdomain app via the root domain in Plesk Onyx

I ran into just this problem the other day. Migrating my Rails store from a CPanel VPS over to the current Plesk Onyx VPS proved to be a little tricky. It took me a while to figure out a solution. So I figured I’d write a blog outlining the steps I took to get my desired result. The problem For the sake of simplicity, I like to host my Store as a subfolder of my root domain. »