Middleware

When traffic surges like a flood, equip your Rust microservices with four gates—rate limiting, backpressure, batching, and middleware—using Tokio + Tower. Keep P99 steady and make speed happen in order.

Learn this middleware design pattern to dramatically boost Node.js performance, reduce latency, and improve scalability without rewriting your code

A step‑by‑step Axum guide to build a modern high‑performance Web service: routing, path and query parameters, JSON, shared state, and middleware (tracing, CORS) with complete code samples and best practices.