Envoy vs River

A side-by-side comparison of two self-hosted reverse proxy & gateways options — licensing, setup difficulty, resource needs, and what each one replaces.

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FeatureEnvoyRiver
CategoryReverse Proxy & GatewaysReverse Proxy & Gateways
LicenseApache-2.0Apache-2.0
LanguageC++Rust
Setup difficultyHardMedium
Min. RAM512 MB64 MB
Deploymentdocker, kubernetes, binarybinary, source
GitHub stars★ 28,735★ 2,351
First released20162024
ReplacesNginx, HAProxynginx, HAProxy

Why pick each one

Choose Envoy if…

  • Released under the Apache-2.0 license
  • First-class Docker support for quick deployment
  • Kubernetes-ready with Helm charts available
  • Mature project with 28.7k GitHub stars
Envoy details

Choose River if…

  • Released under the Apache-2.0 license
  • Active community (2.4k GitHub stars)
  • Written in Rust
  • Tiny footprint — runs in 64 MB RAM
River details

Frequently asked questions

Is Envoy or River better?

Neither is universally better. Envoy has the larger community, while River is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.

Are Envoy and River free and open-source?

Yes. Envoy is licensed under Apache-2.0 and River under Apache-2.0. Both can be self-hosted at no software cost.

Can I run Envoy and River with Docker?

Envoy: yes. River: check the project docs for container support.

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