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Rust Web Programming

You're reading from   Rust Web Programming A hands-on guide to Rust for modern web development, with microservices and nanoservices

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Product type Paperback
Published in Nov 2025
Last Updated in Sep 2025
Publisher Packt
ISBN-13 9781835887769
Length 733 pages
Edition 3rd Edition
Languages
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Author (1):
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Maxwell Flitton Maxwell Flitton
Author Profile Icon Maxwell Flitton
Maxwell Flitton
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Table of Contents (14) Chapters Close

Rust Web Programming, Third Edition: A hands-on guide to Rust for modern web development, with microservices and nanoservices FREE CHAPTER
1 A Quick Introduction to Rust 2 Useful Rust Patterns for Web Programming 3 Designing Your Web Application in Rust 4 Async Rust 5 Handling HTTP Requests 6 Processing HTTP Requests 7 Displaying Content in the Browser 8 Injecting Rust in the Frontend with WASM 9 Data Persistence with PostgreSQL 10 Managing user sessions 11 Communicating Between Servers 12 Caching auth sessions 13 Observability through logging

Adding get by unique ID to networking

When it comes to passing a unique ID to our networking layer, we can just use our header token, our token stores the unique ID. This enables us to securely call the API endpoint from the client, or just pass the token to the auth server from the to-do server. Our auth get endpoint can be defined with the code below:

// nanoservices/auth/networking/actix_server/src/api/users/get.rs
use auth_dal::users::transactions::get::GetByUniqueId;
use auth_core::api::users::get::get_by_unique_id
as get_by_unique_id_core;
use glue::errors::NanoServiceError;
use glue::token::HeaderToken;
use actix_web::HttpResponse;
pub async fn get_by_unique_id<T: GetByUniqueId>(token: HeaderToken)
    -> Result<HttpResponse, NanoServiceError> {
    let user = get_by_unique_id_core::<T>(token.unique_id).await?;
    Ok(HttpResponse::Ok().json(user))
}

We can then mount the endpoint to the server with our Postgres handler with the following code:

// nanoservices...
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