Rewriting heavy TypeScript/Node.js services in Rust is one of the most effective ways to lower your cloud infrastructure bill and eliminate CPU bottlenecks. Whether you're porting an Express/Fastify API to Axum, moving a background worker from Node to Rust, or writing high-performance CLI tools, Rust delivers predictable low latency and negligible memory usage. However, once you set up your Cargo.toml , you face the ecosystem gap . npm has over 2 million packages, while Crates.io has a d...