GraphQL in Rust: Building Efficient APIs from Scratch

This book is your complete practical guide to building modern, fast, and secure APIs in Rust using GraphQL technology. If you're already familiar with the basics of Rust and want to take your backend development skills to the next level, this book will be an indispensable assistant.

Who is this book for?

• For Rust developers who want to master building efficient APIs.
• For backend engineers seeking an alternative to REST and wanting to leverage the power of static typing.
• For those who want to build high-load systems with minimal memory consumption.

What will you learn?

• GraphQL Basics: Types, schemas, queries, mutations, and subscriptions. Comparison with REST API.
• Rust Libraries: Detailed study of two main frameworks — async-graphql and Juniper. You'll learn to choose the right tool for a specific task.
• Asynchrony: Building non-blocking servers using tokio and async-std.
• Working with Databases: Integrating GraphQL with SQLite, PostgreSQL, and MongoDB via Diesel and SQLx.
• Security: Authentication, authorization, protection against N+1 queries, input validation.
• Optimization: Caching, batch loading (DataLoader), pagination, and fragments.
• Testing: Unit tests, integration tests, and load testing of your API.
• Advanced Topics: Client code generation, federation (combining multiple GraphQL services), WebSocket for subscriptions.

Why are Rust and GraphQL the perfect pair? Rust provides memory safety and incredible performance, while GraphQL offers flexibility in data queries. Together, they allow you to create APIs that run faster, consume fewer resources, and are easier to maintain.

The book contains numerous practical examples, ready-to-use code snippets, and step-by-step instructions. You won't just read theory — you'll build a full-fledged project that you can adapt to your needs.

Start your journey into the world of high-performance APIs today. Make your service fast, reliable, and modern with Rust and GraphQL.