Blog

Your dream job? Lets Git IT.
Interactive technical interview preparation platform designed for modern developers.

XGitHub

Platform

  • Categories

Resources

  • Blog
  • About the app
  • FAQ
  • Feedback

Legal

  • Privacy Policy
  • Terms of Service

© 2025 LetsGit.IT. All rights reserved.

LetsGit.IT/Categories/Architecture
Architecturemedium

What is an ADR (Architecture Decision Record) and why is it useful?

Tags
#architecture#documentation#decisions#process
Back to categoryPractice quiz

Answer

An ADR is a short document that records an architecture decision: the context, options considered, the decision, and its consequences. It’s useful because it preserves “why” something was chosen, helps onboarding, and reduces repeating the same debates months later.

Related questions

Architecture
Anti-corruption layer (ACL): what is it and when would you use it?
#architecture#ddd#integration
Architecture
Event sourcing: what is it and what are the main trade-offs?
#architecture#event-sourcing#events
Architecture
What is a reverse proxy and what is it commonly used for?
#architecture#reverse-proxy#http
Architecture
CORS: what is it and what does it NOT protect you from?
#architecture#web#cors
Architecture
Graceful degradation: what does it mean and how do you design for it?
#architecture#resilience#fallbacks
Architecture
Cache stampede (thundering herd): what is it and how do you mitigate it?
#architecture#caching#cache-stampede