About the Stacks
With each App you create, you can choose between two technology stacks. This article helps you to understand why there are two stacks and how to decide.
The three sentence story
The Stacks on fortrabbit are not just some marketing gimmick to sell you the more expensive package, these stacks are fundamentally different in design and use cases. The Universal Stack is for everyone to build websites and web applications, combining legacy workflows with modern design paradigms. The Professional Stack is for sophisticated developers to build modern cloud-enabled high-performance PHP web applications with lots of traffic.
The facts table
| Universal Stack | Professional Stack | |
|---|---|---|
| Websites per App | 1 ‹ why? | 1 ‹ Why? |
| Pricing model | fixed plans | flexible Components |
| Traffic | low, medium | low - very high |
| Scalability | xxs - s | xxs - xxxl |
| High Availability | no | yes, except Development level |
| Local file storage | persistent | ephemeral |
| Primary application type | websites | web applications |
| Secondary application type | web applications | websites |
| Architecture | single webserver + db server | distributed containers |
| Required skill level | beginner | sophisticated |
| Deployment protocols | SFTP, Git, SSH | Git |
| Composer integration | after Git push + via SSH | after Git push |
| SSH integration | full | remote SSH execution |
| Background Jobs | a single Cron Job | multiple Cron and Nonstop Jobs |