Get started

There is no resource to create: Images is a deployment-scoped binding and does not reference a namespace id. ocd must be ready.

1. Declare the binding

{
  "name": "img-app",
  "main": "src/index.ts",
  "images": { "binding": "IMAGES" }
}

Do not put it in bindings. Do not supply a Cloudflare Images account id.

bun run oc types --config open-compute.json

2. Worker

export default {
  async fetch(request: Request, env: Env): Promise<Response> {
    if (!request.body) return new Response("empty", { status: 400 });
    const info = await env.IMAGES.info(request.body);
    // info.format is jpeg | png | webp
    const out = await env.IMAGES
      .input(request.body)
      .transform({ width: 320, fit: "contain" })
      .output({ format: "image/webp", quality: 80 });
    return out.response();
  },
} satisfies ExportedHandler<Env>;

Input must be request-body bytes. URL transforms such as https://imagedelivery.net/... and upload / signing are not provided.

3. Run

bun run oc run --config open-compute.json --ocd <path-to-ocd>

The CLI is oc, not Wrangler. Next: Concepts.