Is firebase deploy instant?

When firebase deploy –only functions completes and logs “Deploy complete!” to the shell, I expect the newly deployed functions to be instantly and consistently available.30 Nis 2018

Before you can set up Firebase Hosting, you need to create a Firebase project.

By default, every Firebase project has subdomains at no cost on the web. app and firebaseapp.com domains . These two sites serve the same deployed content and configuration.