Stucked on the configuration page for first time installation

I dont have any personal domain where i can host, I am setting up for my personal use locally or remotely as i have real ip. as a begginer i am failed to setting up the next cloud on my virtual box machine. what can i do ? how can i deploy the service in easy way?

Hi, see all-in-one/ at main · nextcloud/all-in-one · GitHub