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# Get ready to Rustle

Switching your high-throughput microservices to Rust will drastically slash your cloud infrastructure costs. Discover how to build resilient, lightning-fast web backends without the nightmare of manual memory management.

- **Speakers:** Marco Otte-Witte
- **Event:** World Congress 2023
- **Published:** September 27, 2023
- **Duration:** 31:20
- **URL:** https://www.wearedevelopers.com/videos/698-get-ready-to-rustle

## Summary

**The Evolution of Rust in Web Development** Rust is making a strategic transition from its traditional dominance in systems programming to modern web backend development. While historically dominated by flexible languages like Ruby, Node.js, or Java, the web and cloud space increasingly demands the unique capabilities Rust provides. By leveraging foundational ecosystem crates like the Tokio async runtime and the Axum web framework, engineering teams can build resilient web applications that achieve C-level performance without the inherent risks of manual memory management. Linus Torvalds once compared using C/C++ to "juggling chainsaws," but Rust mitigates this danger entirely through its innovative compile-time ownership system. This safely handles memory allocation without the unpredictable performance spikes typically caused by runtime garbage collection pauses. **Business Value and Maintainability** The true business value of adopting a Rust web backend extends far beyond raw execution speed. Consistent, high-throughput performance directly translates to profound infrastructure cost advantages; an application handling ten times the request volume of a Node.js counterpart enables massive reductions in required cloud server instances and proportional energy savings, aligning with green computing goals. Furthermore, Rust's robust static type system transforms implicit, tribal knowledge into explicit, compiler-enforced domain rules. Through structural constructs like the Result and Option enums, the language mandates comprehensive error handling and null-safety. This drastically resolves the long-term maintainability issues and error rates often encountered as codebases grow and engineering teams experience turnover. **Strategic Adoption Path** Despite a steeper initial learning curve regarding its memory paradigm, the long-term return on investment is substantial as debugging time and maintenance efforts steadily decrease. Strategic adoption should appropriately avoid exploratory domain mapping or early rapid prototyping, areas where mature frameworks like Ruby on Rails remain superior. Instead, engineering teams should initially target specific high-throughput microservices, API proxy layers, or native backend extensions to optimize slow operations in existing architectures. As the ecosystem ruthlessly optimizes developer experience and progresses toward fully-featured frameworks, early adopters position themselves to harness unparalleled backend efficiency and stability without sacrificing productivity.

**Keywords:** rust web backend development, tokio async runtime, axum web framework, rust ownership system, compile-time memory management, garbage collection performance spikes, cloud infrastructure cost reduction, microservice architecture adoption, strict static type systems, long-term codebase maintainability, native backend extensions, code serialization crates, web server request throughput, rust result enum error handling, green computing server efficiency

## Chapters

1. **Exploring the rise of industry adoption trends for Rust** (00:03) — Major tech companies increasingly adopt Rust to safely replace legacy systems programming languages.
1. **Shifting focus to Rust for web backend development** (02:03) — Applying systems-level capabilities simplifies building secure and performant cloud web applications.
1. **Reviewing Rust language basics and explicit type systems** (02:58) — Understanding core language features like explicit null types and error handling enums builds a foundation for safety.
1. **Understanding compile-time memory management and strict variable ownership** (07:24) — The compile-time ownership model eliminates the need for garbage collection and reduces manual memory management risks.
1. **Navigating the essential components of the Rust web ecosystem** (09:50) — Maturing asynchronous runtimes and data store integrations provide all necessary building blocks for modern architectures.
1. **Building a basic backend web server implementation in Rust** (11:53) — Comparing code structures between runtime environments reveals how cleanly request routing works in compiled applications.
1. **Analyzing performance consistency and server request throughput metrics** (13:03) — Eliminating garbage collection pauses produces higher request throughput and reliably consistent performance metrics.
1. **Reducing cloud infrastructure costs and overall server energy consumption** (15:54) — Faster server responses reduce necessary infrastructure levels, ultimately lowering cloud hosting costs and energy consumption.
1. **Improving long-term code maintainability with explicit data type systems** (17:52) — Replacing implicit business rules with rich type systems prevents bugs and simplifies developer onboarding processes.
1. **Identifying ideal use cases and incremental technology adoption strategies** (23:52) — Selecting optimal microservice boundaries or native extension points enables teams to navigate the initial adoption curve.
1. **Looking toward the future abstraction levels of Rust frameworks** (29:34) — Ecosystem improvements will continue to lower the learning curve while maintaining strict performance guarantees.

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- [Exploring the rising adoption and versatility of Rust](https://www.wearedevelopers.com/videos/1335-wearedevelopers-live-should-we-respect-llms-is-rust-taking-over-developers-as-content-creators-and-more) (from "WeAreDevelopers LIVE - Should We Respect LLMs? Is Rust Taking Over? Developers as Content Creators and more")
- [Why learning Rust offers strategic advantages for web developers](https://www.wearedevelopers.com/videos/911-coffee-with-developers-francesco-ciulla) (from "Coffee with Developers - Francesco Ciulla")
- [Exploring Rust for cloud and web services](https://www.wearedevelopers.com/videos/1111-rust-beyond-systems-revolutionizing-web-development) (from "Rust Beyond Systems: Revolutionizing Web Development")
- [Common architectural patterns for migrating to Rust](https://www.wearedevelopers.com/videos/100147-rust-in-the-real-world-adoption-migration-and-tradeoffs) (from "Rust in the Real World: Adoption, Migration, and Tradeoffs")
- [Evaluating programming language energy efficiency](https://www.wearedevelopers.com/videos/559-an-architect-s-guide-to-reducing-the-carbon-footprint-of-your-applications) (from "An Architect’s guide to reducing the carbon footprint of your applications")
- [Evaluating backend framework choices for modern software applications](https://www.wearedevelopers.com/videos/100172-after-the-framework-wars-what-s-next-for-web-development) (from "After the Framework Wars: What’s Next for Web Development")

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