Heroku is very expensive. So it could be possible. But it is not very hard to switch to his own server (Then the server would just go for no more than 300$ bucks). We have at 9elements have a service up and running that lies on a root server from the german hosting provider Hetzner.de and it is running well on it.
Heroku is very expensive. So it could be possible. But it is not very hard to switch to his own server (Then the server would just go for no more than 300$ bucks). We have at 9elements have a service up and running that lies on a root server from the german hosting provider Hetzner.de and it is running well on it.