.well-known Cloudflare Worker for bluesky subdomains

worker.js

addEventListener('fetch', event => {
  event.respondWith(handleRequest(event.request))
})

async function handleRequest(request) {
  const url = new URL(request.url)
  
  // Only respond to /.well-known/atproto-did requests
  if (url.pathname !== '/.well-known/atproto-did') {
    return new Response('Not Found', { status: 404 })
  }

  // Get subdomain from hostname
  const subdomain = url.hostname.split('.')[0]

  const didMap = {
    'yoursubomain': 'did:plc:your_did_here'  // Replace with your actual DID
    // Add more subdomains and DIDs as needed
    // 'subdomain': 'did:plc:...',
  }

  if (didMap[subdomain]) {
    return new Response(didMap[subdomain], {
      headers: {
        'Content-Type': 'text/plain',
        'Cache-Control': 'max-age=3600'
      }
    })
  }

  return new Response('DID not found', { 
    status: 404,
    headers: {
      'Content-Type': 'text/plain'
    }
  })
}

1. Visit Cloudflare Dashboard (https://dash.cloudflare.com)
2. Go to "Workers & Pages"
3. Click "Create Worker"
4. Paste in the code above (replace the DID with your actual DID)
5. Deploy the worker
6. Go to Settings of the worker
7. Click +Add on Domains & Routes, add a new Route
8. Zone, select your domain, Route: *yourdomain.net/.well-known/atproto-did
9. if not done, create a subdomain for your domain and make sure it's proxied through Cloudfalre