The Sidecar Pattern you own this product

basic microservice patterns
skills learned
use Dapr to construct complex microservices
Michael Yuan
1 week · 6-8 hours per week · BEGINNER

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UMET Inc.’s mission to modernize its software infrastructure has been a great success. The e-commerce company now uses Rust microservices that run in lightweight Wasm containers so that they can be deployed anywhere in the cloud. However, as more microservices are created, the overhead for managing them is becoming a problem. Using the Distributed Application Runtime (Dapr) sidecar, a commonly used design pattern, you’ll create a proof of concept (PoC) that demonstrates the pattern’s benefits, including reducing the complexity of connecting multiple microservices and infrastructure services (e.g. databases and web proxies). When you’re finished, you’ll have refactored UMET’s microservices to work with Dapr, reducing the overhead required to manage them.

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

project author

Michael Yuan

Dr. Michael Yuan is the founder and maintainer of the open -source WasmEdge project — one of the most popular WebAssembly (Wasm) runtimes for server and edge applications. He is also the creator of LlamaEdge, a cross-platform, embeddable, and cloud-native runtime for AI applications, supporting LLMs and popular vision and speech models. Dr. Yuan is the author of 5 books on software engineering and a frequent speaker at conferences such as KubeCon, Open Source Summit, QCon, Rust Conf, VMWare Explore, COSCon, and Wasm I/O. He has designed and implemented enterprise applications and server-side software infrastructure since the early 2000s. Dr. Yuan holds a PhD in Astrophysics from the University of Texas at Austin.


This liveProject is for developers who are interested in learning how to refactor microservices with Dapr, reducing complexity and management overhead. To begin these liveProjects you’ll need to be familiar with the following:

  • Rust programming basics (syntax, standard libraries, and building tools such as cargo and
  • Linux basics (use the command line, sudo, and open/map ports to the outside world)
  • Basics of Git, GitHub, and GitHub Actions
  • GitHub account (registration is free)
  • Rust and Cargo toolchain
  • WasmEdge Runtime
  • Docker basics (commands, Dockerfile structure, Docker Compose, and the docker-compose.yml file)
  • 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


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