Rust and WebAssembly

Multiple Connected Microservices you own this product

This project is part of the liveProject series Rust and WebAssembly Microservices
prerequisites
basic Docker • basic HTTP networking
skills learned
Docker + Wasm • Docker Compose • WasmEdge CLI tools
Michael Yuan
1 week · 4-6 hours per week · BEGINNER
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UMET Inc. is off to a great start in its efforts to refactor its backend to a modern technology stack using the popular, high-performance Rust programming language. As a new developer for the e-commerce platform, your task is to create a microservice for calculating order totals that depends on another microservice that looks up sales tax rates. Using HTML and JavaScript, you’ll create a web user interface for the microservices so that UMET product managers can test them in a browser. You’ll build and test your new application using Rust reqwest and Serde crates to make web service calls and also use Docker Compose to manage multiple Wasm and Linux containers in a single application. When you’re finished, you’ll have firsthand experience using WasmEdge command-line interface (CLI) tools to build a cloud-native application with interdependent microservices.

This project is designed for learning purposes and is not a complete, production-ready application or solution.

book resources

When you start your liveProject, you get full access to the following books for 90 days.

project author

Michael Yuan

Dr. Michael Yuan is the founder and maintainer of the open-source WasmEdge project—one of the most popular WebAssembly runtimes for server and edge applications. He’s the author of five books on software engineering and a frequent speaker at conferences, including KubeCon, Open Source Summit, QCon, and Rust Conf. He’s also the creator of flows.network, a serverless automation platform for AIOps and LLMOps. He holds a PhD in Astrophysics from the University of Texas at Austin and has been designing and implementing enterprise applications and server-side software infrastructure for over 20 years.

prerequisites

This liveProject is for developers who are interested in learning how to use WasmEdge CLI tools to create cloud-native applications with interconnected microservices. To begin these liveProjects you’ll need to be familiar with the following:

TOOLS
  • Basics of programming with a compiled language such as C, C++, Go, Swift, or Kotlin
  • Basics of the workflow of building with compilers
  • Linux basics
  • Basics of Git, GitHub, and GitHub Actions
  • GitHub account (registration is free)
  • Rust and Cargo toolchain
  • WasmEdge Runtime
  • Docker Desktop
TECHNIQUES
  • Basics of typical HTTP-based web services
  • Basics of the 3-tier architecture for web applications
  • Exchange data with a web service using JSON
  • Use JSON in the frontend JavaScript framework

you will learn

In this liveProject, you’ll learn to build a cloud-native application with interdependent microservices using WasmEdge command-line interface (CLI) tools.

  • Rust crates and APIs for HTTP networking and JSON web services
  • Docker tooling for Wasm microservices

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book resources
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