If you don’t have a domain that you want to deploy to or you want to test with a domain, you can use the onwebapp.io domain.To use this domain, click on Webapp.io Subdomain when selecting for a Domain Type.In the input field, enter in a subdomain. A subdomain can only contain lowercase letters, numbers, and dashes.If your subdomain is available, we’ll start a new run and deploy your project to the URL listed below the input field. If it’s not available you’ll receive an error to use a different domain.
Dashes for the onwebapp.io subdomain are not allowed at the beginning or end of the subdomain