@bignose As more knowledge people than me have told you, true migration of posts seems not to be possible. There's no way to retain post URLs if your instance disappears. 1/

@bignose But there are some imperfect stopgaps!

I haven't tried it, but there is Mastodon Content Mover https://mastodoncontentmover.github.io/ by @tokyo_0 (ht @carrideen) 2/

@bignose When my old instance was shutting down, I wrote a static-site generator for Mastdon archives called #fossilphant, so I can self-host my own archives. See for example https://www.interfluidity.com/microblog-archives/econtwitter/ 3/

@bignose I tried to make it really easy to use! I'd love it if you'd give it a try: https://github.com/swaldman/fossilphant /fin