Edge compute

Run request handlers close to your users, without managing servers.

A handler

export default {
  async fetch(request) {
    const url = new URL(request.url);
    if (url.pathname === "/health") {
      return new Response("ok", { status: 200 });
    }
    return fetch(request);
  }
};

Limits

Resource	Limit
CPU time per request	50 ms
Memory	128 MB
Subrequests	50 per request
Script size	10 MB compressed

Deployments propagate to every location within about 30 seconds. Rollback keeps the previous ten releases.