Decoded: How Google AI Studio Securely Proxies Gemini API Requests
If you’ve recently vibe-coded and exported a Gemini-powered app from Google AI Studio
to host it online on Google Cloud Run,
you might have noticed a server/ directory containing a Node.js application.
This isn’t just a simple file server; it’s a clever “transparent proxy” designed to solve a classic problem in frontend AI development:
How do I use my API key without leaking it to the browser?
In this post (although vibe-coding is supposed to be all about not looking at the code at all) we’ll dissect exactly how this architecture works, why it’s safer than a client-side key, and where its security limits lie.
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