bifrost

Bifrost

A low-latency and high-throughput API gateway library in Go

Reasons to use Bifrost

1. Low latency and high throughput.
2. Allows writing middlewares in native Go.
3. Easy to integrate with existing Go services.
4. Easy migration from Nginx. Leverage your Nginx experience.
5. Built as an SDK/library instead of an artifact.

Feature highlights

1. Support for writing middleware in Go.
2. Low latency and high throughput (powered by the Hertz framework).
3. Millisecond-level graceful reload for route updates without interrupting requests.
4. Get gateway configurations from local files or configuration centers.
5. Built-in Prometheus monitoring.
6. Built-in OpenTelemetry tracing.
7. Supports HTTP1.1/HTTP2/H2C/Webosocket/GRPC protocols.
8. Multiple built-in balancer algorithm (round_robin, random, weighted, chash) and allow to build your own

Comparative Analysis

Overview

servers: Server configuration, supports middlewares, controlling which port to expose
routes: Route configuration, controls request path forwarding rules to specific services
services: Service configuration, controls service details such as protocol information
upstreams: Upstream configuration, manages load balancing rules for backend hosts

Get Started

Set up a high-performance API gateway in 5 minutes

Documents

1. Configuration
2. Providers
3. Routes
4. Middlewares
5. Directive

Credit

1. CloudWeGo