Kong Gateway vs lego
A side-by-side comparison of two self-hosted reverse proxy & gateways options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
Kong Gateway
Cloud-native, fast, scalable API gateway
VS
lego
Let's Encrypt and ACME client written in Go
| Feature | Kong Gateway | lego |
|---|---|---|
| Category | Reverse Proxy & Gateways | Reverse Proxy & Gateways |
| License | Apache-2.0 | MIT |
| Language | Lua | Go |
| Setup difficulty | Medium | Easy |
| Min. RAM | 512 MB | 64 MB |
| Deployment | docker, kubernetes, helm | binary, docker |
| GitHub stars | ★ 43,947 | ★ 9,789 |
| First released | 2015 | 2015 |
| Replaces | AWS API Gateway, Apigee | Certbot |
Why pick each one
Choose Kong Gateway if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Kubernetes-ready with Helm charts available
- Mature project with 43.9k GitHub stars
Choose lego if…
- Released under the MIT license
- Easy to set up — beginner-friendly
- First-class Docker support for quick deployment
- Mature project with 9.8k GitHub stars
Frequently asked questions
Is Kong Gateway or lego better?
Neither is universally better. Kong Gateway has the larger community, while lego is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.
Are Kong Gateway and lego free and open-source?
Yes. Kong Gateway is licensed under Apache-2.0 and lego under MIT. Both can be self-hosted at no software cost.
Can I run Kong Gateway and lego with Docker?
Kong Gateway: yes. lego: yes.