* This minimal Axum setup effectively showcases idiomatic, asynchronous server bootstrapping with `tokio`. * Future scalability demands modularizing the `hello_world` handler into a dedicated application module for clear separation of concerns. * Embrace Axum's robust response system; switch the handler from raw `String` to standard `impl IntoResponse`. * Address the inherent fragility of `.unwrap()` on server binding by implementing graceful error handling, crucial for service stability. * For proper service maturity, abstract the hardcoded binding address `[::]:3000` into configuration management variables.
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