Fabio vs OpenResty
A side-by-side comparison of two self-hosted reverse proxy & gateways options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Fabio | OpenResty |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 91 · Excellent | 87 · Excellent |
| Category | Reverse Proxy & Gateways | Reverse Proxy & Gateways |
| License | MIT | BSD-2-Clause |
| Language | Go | C |
| Setup difficulty | Medium | Hard |
| Min. RAM | 128 MB | 128 MB |
| Deployment | docker, binary | docker, binary, bare-metal |
| GitHub stars | ★ 7,343 | ★ 14,045 |
| First released | 2015 | 2011 |
| Replaces | HAProxy, Nginx | Nginx |
What are Fabio and OpenResty?
Fabio
Fabio is a fast, modern, zero-configuration load balancing HTTP and TCP router that automatically updates routes from Consul. Services register themselves with no manual configuration.
- Zero-config routing
- Consul service discovery
- HTTP and TCP load balancing
- Hot route updates
OpenResty
OpenResty is a full-fledged web platform that bundles Nginx with LuaJIT and many libraries, enabling powerful programmable proxies and gateways. It is the foundation for several API gateways.
- Nginx plus LuaJIT scripting
- Programmable request handling
- Foundation for API gateways
- High performance
Fabio vs OpenResty: key differences
Fabio is written in Go, while OpenResty is built with C. Licensing differs — MIT for Fabio versus BSD-2-Clause for OpenResty. OpenResty is the more established project (first released 2011), while Fabio arrived in 2015.
Why pick each one
Choose Fabio if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Mature project with 7.3k GitHub stars
- Written in Go
Choose OpenResty if…
- Very high performance
- Programmable with Lua
- Battle-tested Nginx core
Watch out for
- Lua knowledge required
- Config more complex than Nginx
Frequently asked questions
Is Fabio or OpenResty better?
Neither is universally better. OpenResty has the larger community, while Fabio is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are Fabio and OpenResty free and open-source?
Yes. Fabio is licensed under MIT and OpenResty under BSD-2-Clause. Both can be self-hosted at no software cost.
Can I run Fabio and OpenResty with Docker?
Fabio: yes. OpenResty: yes.