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Age transformation AI app powered by Next.js, Vercel, Replicate, Upstash, and Cloudflare R2 + Workers.

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Extrapolate – See how well you age with AI

See how well you age with AI

Steven Tey Twitter follower count Extrapolate repo star count

Introduction · Features · Deploy Your Own · Author


--NEW README COMING SOON--

Introduction

Extrapolate is an app for you to see how well you age by transforming your face with Artificial Intelligence.

Extrapolate.mp4

Features

  • 3s GIF of your face as it ages through time 🧓
  • Store & retrieve photos from Cloudflare R2 using Workers

Deploy Your Own

You can deploy this template to Vercel with the button below:

Deploy with Vercel

Note that you'll need to:

Cloudflare R2 setup instructions

  1. Go to Cloudflare and create an R2 bucket.
  2. Create a Cloudflare Worker using the code snippet below.
  3. Bind your worker to your R2 instance under Settings > R2 Bucket Bindings.
  4. For extra security, set an AUTH_KEY_SECRET variable under Settings > Environment Variables (you can generate a random secret here).
  5. Replace all instances of images.extrapolate.workers.dev in the codebase with your Cloudflare Worker endpoint.
Cloudflare Worker Code
// Check requests for a pre-shared secret
const hasValidHeader = (request, env) => {
  return request.headers.get("X-CF-Secret") === env.AUTH_KEY_SECRET;
};

function authorizeRequest(request, env, key) {
  switch (request.method) {
    case "PUT":
    case "DELETE":
      return hasValidHeader(request, env);
    case "GET":
      return true;
    default:
      return false;
  }
}

export default {
  async fetch(request, env) {
    const url = new URL(request.url);
    const key = url.pathname.slice(1);

    if (!authorizeRequest(request, env, key)) {
      return new Response("Forbidden", { status: 403 });
    }

    switch (request.method) {
      case "PUT":
        await env.MY_BUCKET.put(key, request.body);
        return new Response(`Put ${key} successfully!`);
      case "GET":
        const object = await env.MY_BUCKET.get(key);

        if (object === null) {
          return new Response("Object Not Found", { status: 404 });
        }

        const headers = new Headers();
        object.writeHttpMetadata(headers);
        headers.set("etag", object.httpEtag);

        return new Response(object.body, {
          headers,
        });
      case "DELETE":
        await env.MY_BUCKET.delete(key);
        return new Response("Deleted!");

      default:
        return new Response("Method Not Allowed", {
          status: 405,
          headers: {
            Allow: "PUT, GET, DELETE",
          },
        });
    }
  },
};

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Age transformation AI app powered by Next.js, Vercel, Replicate, Upstash, and Cloudflare R2 + Workers.

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