Production SwiftUI: Scalable Networking Architecture with Async Await

Stop hard‑coding URL requests in your SwiftUI views. This tutorial walks you through a production‑ready networking architecture for a sample e‑commerce app.

You'll learn how to separate concerns using a generic API client, protocol‑based endpoints, and a dedicated service layer. The approach fully leverages Swift's modern concurrency features like async/await, Sendable, and actors.

Key topics covered:

• Wrapping URLSession with reusable generics
• Designing an Endpoint protocol for clean request configuration
• Centralized error handling (network failures, decoding issues, server errors)
• Dependency injection through protocols for testability
• Creating mock network services for SwiftUI previews
• Structuring code for future modularization (MVVM ready)

What makes this different:
No copy‑pasted JSON tasks. No massive view controllers. Everything stays decoupled, preview‑friendly, and scalable for features like search, filtering, or pagination.

Part of a series — next: infinite scrolling and search.