misterred

I was unfamiliar, Astro looks robust. https://docs.astro.build/en/tutorial/0-introduction/

Rather than maintaining a website you might just want to communicate with readers by means of private and secure chat like a Matrix Space.

From what I understand Buttondown is built for selfhosting and Ghost is similar. I don’t think any publishing platform is designed specifically for use as an onion site but I may probably be wrong. Onions, apples, oranges maybe.