Learning Microservices by Building a Simple URL Shortener
2025-09-19 · 1 min read
To understand microservice architecture, I built a URL shortener with a clean separation of responsibilities and a caching layer.
Core Services
- API Service: Creates and resolves short URLs
- Database Service: Stores original and shortened URLs
- Redis Cache: Speeds up lookups
Key Concepts I Learned
- How services communicate
- Why caching layers reduce load
- Deploying independent services
It was a small project but a practical introduction to microservices.
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