Blog

Mert Özen's blog posts on software development, backend, frontend, and DevOps.

Series

Why API Design Is an Architectural Decision: Contracts, Consumers, What REST Really Is and Style Guides

API design is an architectural decision because the contract is everything a consumer can observe, and changing it means changing the consumers too. Starting from Bookstore's old RPC endpoint that returns errors inside a 200, we cover Fielding's REST constraints, the Richardson Maturity Model, where HATEOAS really helps, and the Azure, Google AIP and Zalando guidelines, then write our own style guide as an ADR and enforce it with Spectral.

15 Nov 2026 12 min 7

Frontend PART 29

Angular 20: Stable Signal APIs, httpResource and the New File Naming

In Angular 20, effect, toSignal and linkedSignal become stable, resource swaps request for params, httpResource arrives, app.ts replaces app.component.ts and *ngIf gets deprecated.

31 Oct 2026 7 min 122