Claude can write a working app right inside a chat. Close the chat and it's gone: no URL, no saved data, nothing to open tomorrow. This is how you turn that throwaway app into a hosted one with its own URL and a database behind it.
Source: [Dev.to](https://dev.to/usecharming/how-to-host-an-app-your-ai-built-with-its-own-url-and-saved-data-18ma)