The best way I have found to start is to host a website from your own computer and use cloudflared to make the website accessible on the open web without opening ports on your local network.
I do this right now with BTCforPlebs.com nostr:npub1w4rz7n0vunaau499xh86p84s6v5mmgys48p0nmttt7w36takc9dsf4382j