Express.js Course
Express.js
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Beginner

Microservices Architecture

Definition

Instead of building a massive monolithic Express app, you can build multiple smaller Express apps (microservices) that each handle a single domain (e.g., Auth Service, Billing Service, Product Service). They communicate with each other over HTTP or via Message Brokers.

Explain Like I'm New

Instead of building a massive monolithic Express app, you can build multiple smaller Express apps (microservices) that each handle a single domain (e.g., Auth Service, Billing Service, Product Service).

Architecture & Flow

Interview Questions

basic

  • What is the primary purpose of Microservices Architecture in Express.js?
  • How do you initialize Microservices Architecture?

intermediate

  • How does Microservices Architecture integrate with other middleware components?
  • Can you explain a common use case for Microservices Architecture?

advanced

  • What are the performance implications of Microservices Architecture in a high-traffic production application?
  • How would you debug issues related to Microservices Architecture?

trick

  • Is it possible to achieve the same result as Microservices Architecture without using Express?

Flash Cards

Question

Define Microservices Architecture in your own words.

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Answer

Instead of building a massive monolithic Express app, you can build multiple smaller Express apps (microservices) that each handle a single domain (e.g., Auth Service, Billing Service, Product Service).

Question

When should you avoid using Microservices Architecture?

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Answer

It depends on the specific architectural requirements and performance bottlenecks of your application. Overusing it can sometimes lead to tightly coupled code.