Use Caddy for reverse proxy. It’s magic. Just put in config the subdomain/domain and localhost port to point to, it will fetch and configure and keep certificates up to date with zero effort. You’ll forget certificates exist. It just works.

A certain sythe sweep near the end of Grim Fandango.

The dip in the river near the end of Bioshock Infinite.

Jumping into the thing near the end of Outer Wilds, and coming down where you come down going through what you go through.

Glad you found a happy cozy home. Appreciative that I can reply to you from heart of the old beast!

Relative to all the well known commercial social media platforms though aren’t we all into something here hardly anyone else knows about, whether 10 users or a few thousand?

One easy way to test accessing your site externally is use a free web proxy to try to load it.

For example (not a personal recommendation, just a random search result) https://wproxy.net/