Ruby on Rails

A web-app framework that includes everything needed to create database-backed web applications according to the Model-View-Controller (MVC) pattern.


Ruby on Rails (RoR) is a mature web framework written in Ruby using the Model-View-Controller pattern (MVC). Using Ruby on Rails, you can build web apps quickly without sacrificing scalability, performance, or features.

This Starter allows you to deploy a Ruby-on-Rails app on Koyeb with one click. The RoR application serves a simple testing message generated by a controller component.


  • HTML templates
  • Database migrations
  • Email notifications
  • WebSockets
  • Asynchronous job queuing
  • Cloud integration for uploads
  • Built-in security protections



When deploying Ruby on Rails on Koyeb, the following environment variables will be provided. Take care to set the required variables with the appropriate values if not set.

VariableDescriptionDefault valueRequired
DATABASE_URLThe connection string for your database, including database type.Yes

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