One Binary, Two Worlds

The dev loop

Lesson 2 of 5

Two dev servers — Go on 8080, Vite on 5173 — joined by Vite's server.proxy, which keeps the browser on one origin and makes CORS a production-only concern.

What you'll learn

Run the Go API and the Vite dev server side by side
Point Vite's server.proxy at the Go port so /api/ requests pass through
Understand what CORS actually is, and why the proxy makes it a non-issue in dev

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