Have your own heroku on your server with Oficial Heroku Buildpacks !

Dokku is a Platform as a Service that uses Oficial Heroku Buildpacks solution that enables users to deploy and configure an application to a production environment on a separate server. It uses Docker, a Linux container system, to manage its deployments, and allows users to deploy to a remote server.

You can deploy it to any cloud provider, i recommend:

Digital Ocean ( Get $100 using this link )

Vultr ( Get $100 using this link )

Linode

DOKKU oficial website: http://dokku.viewdocs.io/dokku/