Rust Web Programming: A hands-on guide to Rust for modern web development, with microservices and nanoservices , Third Edition

Maxwell Flitton

€37.99

4 (1 Ratings)

Paperback Jan 2026 674 pages 3rd Edition

Maxwell Flitton

€37.99

4 (1 Ratings)

Paperback Jan 2026 674 pages 3rd Edition

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Rust Web Programming

Verifying with traits

Enums can empower structs so that they can handle multiple types. This can also be translated for any type of function or data structure. However, this can lead to a lot of repetition. Take, for instance, a User struct. Users have a core set of values, such as a username and password; however, they could also have extra functionality based on roles. With users, we must check roles before firing certain processes based on the traits that the user has implemented.

Through the creation of a simple program that defines users and their roles, we can demonstrate how to wrap up structs with traits:

We define our users with the following code:

struct AdminUser {
    username: String,
    password: String
}
struct User {
    username: String,
    password: String
}

We can see in the preceding code that the User and AdminUser structs have the same fields. For this exercise, we just need two different structs to demonstrate the effect...

Metaprogramming with macros

Metaprogramming can generally be described as a way in which a program can manipulate itself based on certain instructions.

Considering the strong typing Rust has, one of the simplest ways in which we can meta-program is by using generics. A classic example of demonstrating generics is through coordinates, as follows:

struct Coordinate <T> {
    x: T,
    y: T
}
fn main() {
    let one = Coordinate{x: 50, y: 50};
    let two = Coordinate{x: 500, y: 500};
    let three = Coordinate{x: 5.6, y: 5.6};
}

In the preceding snippet, the Coordinate struct is defined with a single generic parameter, T. This T is a placeholder that can represent any type. When we create an instance of Coordinate, Rust’s compiler replaces T with specific types. In our example:

one uses T as i32
three uses T as f62

This flexibility allows the Coordinate struct to handle different types of numbers without needing implementations for...

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Key benefits

Get a comprehensive introduction to Rust for full-stack web development
Explore the exciting evolution of Rust in recent years with WebAssembly, Axum, native TLS, and SurrealDB
Build code in a scalable way with microservice and nanoservice design patterns

Description

Rust is no longer just for systems programming. This book will show you why this safe and performant language is a crucial up-and-coming option for developing web applications, and get you on your way to building fully functional Rust web apps. You don’t need any experience with Rust to get started, and this new edition also comes with a shallower learning curve. You’ll get hands-on with emerging Rust web frameworks including Actix, Axum, Rocket, and Hyper. You’ll look at injecting Rust into the frontend with WebAssembly and HTTPS configuration with NGINX. Later, you’ll move on to more advanced async topics, exploring TCP and framing, and implementing async systems. As you work through the book, you’ll build a to-do application with authentication using a microservice architecture that compiles into one Rust binary, including the embedding of a frontend JavaScript application in the same binary. The application will have end-to-end atomic testing and a deployment pipeline. By the end of this book, you’ll fully understand the significance of Rust for web development. You’ll also have the confidence to build robust, functional, and scalable Rust web applications from scratch.

Who is this book for?

This book is for web developers who are looking to learn or adopt Rust to build safe and performant web applications. This includes developers familiar with languages such as Python, Ruby, and JavaScript. You don’t need any prior experience in Rust to start this book. However, you’ll need a solid understanding of web development principles, along with basic knowledge of HTML, CSS, and JavaScript to get the most out of it.

What you will learn

Build scalable Rust web applications as monoliths or microservices
Develop a deeper understanding of async Rust
Get to grips with Rust language features such as traits and the borrow checker
Manage authentication and databases in Rust web apps
Build app infrastructure on AWS using Terraform
Learn how to package and deploy Rust servers
Build unit tests and end-to-end tests for your Rust web apps with Python

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Rust Web Programming: A hands-on guide to Rust for modern web development, with microservices and nanoservices , Third Edition

What do you get with Print?

Rust Web Programming

Further Reading

Technical requirements

Verifying with traits

Metaprogramming with macros

Mapping messages with macros

Defining our contracts and contract handler

Configuring our functions with traits

Checking struct state with the compiler

Defining the state of a struct...

Summary

Questions

Answers

Learn more on Discord

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Rust Web Programming: A hands-on guide to Rust for modern web development, with microservices and nanoservices , Third Edition

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