Node Unblocker Vercel (2024)

Keep an eye on usage metrics. If you notice unexpected spikes, investigate—your proxy might have been discovered and is being used by others.

Deploying Node Unblocker on Vercel is a classic "it works until it doesn't" scenario. While the initial setup is incredibly easy and the free tier is appealing, the platform is fundamentally mismatched with the needs of a proxy server.

// Stream or buffer small responses const body = await fetchRes.arrayBuffer(); res.send(Buffer.from(body)); catch (err) res.status(502).send('Bad Gateway'); node unblocker vercel

While deploying Node Unblocker to Vercel is highly convenient, serverless environments introduce strict operational limitations: 1. The 10-Second Timeout (Hobby Plan)

"version": 2, "rewrites": [ "source": "/proxy/(.*)", "destination": "/api/proxy" ] Use code with caution. Deployment Process Keep an eye on usage metrics

To ensure that all sub-resources, images, scripts, and stylesheets loaded by the proxied page route through your unblocker, you must configure a wildcard rewrite rule in your vercel.json file.

The entire request and response lifecycle is broken down into configurable middleware stages, giving you granular control over exactly how the proxy behaves. While the initial setup is incredibly easy and

For very basic use cases—like bypassing CORS errors for a specific API—you might not even need the Node Unblocker library. Vercel's native rewrites can act as a reverse proxy with minimal setup.