Rust and Microservices: From Idea to Production

The book "Rust and Microservices" is a practical guide to building reliable, performant, and scalable microservice systems in the Rust language. Unlike many general books on microservices, this book focuses specifically on the features and advantages of Rust: zero-cost abstractions, memory safety, a powerful type system, and excellent support for concurrency.

Who is this book for?

• Developers already familiar with the basics of Rust who want to move on to building real server applications.
• Engineers working with microservices in other languages (Go, Java, C#) and interested in Rust as an alternative.
• Team leads and architects evaluating Rust for building high-load and fault-tolerant systems.
• Anyone who wants to understand how to apply Rust in the context of distributed systems.

What will you learn from this book?

• Designing microservice architecture: choosing protocols (gRPC, HTTP/REST, WebSockets), organizing data exchange, Saga, CQRS, and Event Sourcing patterns.
• Asynchronous programming in Rust: deep dive into Tokio, async/await, working with channels and tasks.
• Building web services: creating HTTP servers with Actix-web and Axum, request handling, middleware, data validation.
• Working with databases: SQLite, PostgreSQL, and Redis — asynchronous drivers, connection pools, migrations (SQLx, Diesel).
• Error handling and telemetry: building resilient systems with graceful shutdown, logging (tracing, slog), metrics and tracing (OpenTelemetry).
• Containerization and deployment: building lightweight Docker images for Rust services, orchestration in Kubernetes, CI/CD pipelines.
• Testing: unit, integration, and end-to-end tests for microservices, mock objects, and test containers.

The book is structured as a sequential guide: you will start with a single microservice, gradually adding new components until you have a full-fledged distributed system. All code examples are available in the repository and ready to run. At the end of each chapter, there are practical exercises to reinforce the material.

"Rust and Microservices" is not just a collection of recipes, but a systematic understanding of how to build production-grade systems in Rust. After reading, you will be able to confidently design, develop, and maintain microservice architectures, leveraging all the strengths of this language.