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The getPublicUrls() method returns all available public HTTPS endpoints for your sandbox container in a single object. By default, Fermion automatically exposes ports 3000, 1337, and 1338, each corresponding to its own unique public URL.

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getPublicUrls()

Description: Returns all available public URLs for the sandbox (ports 3000, 1337, 1338). Parameters: None Returns: 
{
  3000: string  // https://{subdomain}-3000.run-code.com
  1337: string  // https://{subdomain}-1337.run-code.com
  1338: string  // https://{subdomain}-1338.run-code.com
}
Example: 
const urls = sandbox.getPublicUrls()

console.log('Available URLs:')
console.log('Port 3000:', urls[3000])
console.log('Port 1337:', urls[1337])
console.log('Port 1338:', urls[1338])

// Use in application
const config = {
  webUrl: urls[3000],
  apiUrl: urls[1337],
  socketUrl: urls[1338]
}