It's basically a host-agnostic service that allows you to deploy to all kinds of hosts from a repo, if that makes any sense. One of the main appeals are simplic

It's basically a host-agnostic service that allows you to deploy to all kinds of hosts from a repo, if that makes any sense. One of the main appeals are simplicity and not being married to one single PaaS. Here's the original announcement that explains it quite well: https://news.ycombinator.com/item?id=5213862 https://news.ycombinator.com/item?id=5213862.