Getting started

Introduction

Foundry runs your code at the edge — no servers to manage, no regions to pick. Write a function, push it, and it's live in every city within seconds.

What is Foundry

Foundry is a platform for deploying small, fast functions close to your users. You bring the code; Foundry handles the runtime, the routing, and the scaling. Each deploy is immutable and instantly reversible, so shipping never feels risky.

How it works

A function is a single file that exports a handler. Foundry wraps it, deploys it to the edge network, and gives you a URL. Here's the smallest one that does something useful:

export default function handler(req: Request) {
  const name = new URL(req.url).searchParams.get("name") ?? "world";
  return new Response(`Hello, ${name}!`);
}

Deploy it with a single command. Foundry builds it, uploads it, and prints the live URL:

$ foundry deploy hello.ts
✓ built in 0.4s
✓ deployed to 38 regions
→ https://hello.acme.foundry.app

Under the hood, every deploy gives you:

• An immutable URL you can roll back to at any time.
• Automatic HTTPS and a global anycast address.
• Logs and metrics streamed live from every region.

Next steps

Pick up where it gets practical: