That is, IMO, one of the big areas that Phoenix falls flat on. Sure there are buildpacks that you can use for Heroku deploys but AFAIK there is only one hosting

That is, IMO, one of the big areas that Phoenix falls flat on. Sure there are buildpacks that you can use for Heroku deploys but AFAIK there is only one hosting service that delivers a truly easy PaaS deploy process for Phoenix apps and that is Gigalixir (and from what I hear they aren't cheap).