Well, our Amazon Cloud expert worked his black magick to make everything work. He came out bloodied and mumbling in his sleep about proxy passes… but he pulled through.
So far, the only issues I have seen is system private message adding links that are href="/my/preferences/profile" and bring to 404s because it forwards the user to https://www.robotshop.com/my/preferences/profile instead of https://www.robotshop.com/community/my/preferences/profile.