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Fabio

Zero-config load balancer driven by Consul

Reverse Proxy & Gateways ★ 7.3k stars Medium setup MIT

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.

Official siteSource code

Key features

  • Zero-config routing
  • Consul service discovery
  • HTTP and TCP load balancing
  • Hot route updates

Strengths

  • Released under the MIT license
  • First-class Docker support for quick deployment
  • Mature project with 7.3k GitHub stars
  • Written in Go

Is Fabio secure?

No known vulnerabilities affect Fabio's latest release (v1.8.0). OSV.dev lists 2 past advisories for the project; none of them applies to this release. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

  • Most recent fixed advisory CVE-2026-62987, published 2026-09-21 (23 days ago), fixed in 1.7.2

Source: OSV.dev, checked 2026-10-14. How this is measured.

Fabio replaces

Self-hosted HAProxy alternativesSelf-hosted Nginx alternatives

Health badge

Maintain Fabio? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 93 · excellent

Markdown
[![SelfHostIndex health score for Fabio](https://selfhostindex.com/badge/fabio.svg)](https://selfhostindex.com/app/fabio/)
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<a href="https://selfhostindex.com/app/fabio/"><img src="https://selfhostindex.com/badge/fabio.svg" alt="SelfHostIndex health score for Fabio"></a>
reStructuredText
.. image:: https://selfhostindex.com/badge/fabio.svg
   :alt: SelfHostIndex health score for Fabio
   :target: https://selfhostindex.com/app/fabio/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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