PutPut vs the Alternatives

// Works anywhere — no SDK, no project setup
const tok = await fetch('/api/v1/auth/guest',
  { method: 'POST' }).then(r => r.json());

const pre = await fetch('/api/v1/upload/presign',
  { method: 'POST',
    headers: { Authorization: `Bearer ${tok.token}` },
    body: JSON.stringify({ filename: 'photo.jpg',
      content_type: 'image/jpeg' }) }
).then(r => r.json());

await fetch(pre.upload_url,
  { method: 'PUT', body: file });

// 1. Install SDK
// npm install @supabase/supabase-js

// 2. Create a Supabase project + bucket
// 3. Configure RLS policies

import { createClient } from
  '@supabase/supabase-js';

const supabase = createClient(
  'https://xyz.supabase.co',
  'your-anon-key'
);

const { data, error } = await supabase
  .storage
  .from('avatars')
  .upload('photo.jpg', file, {
    cacheControl: '3600',
    upsert: false
  });