You can run fly machines on a schedule e.g:

> fly machine run . -a app-name --schedule weekly --restart no --region cdg

Which means you can use them like a cron job for maintenance tasks. We use it to renew our ssl certs on our smtp servers every week. Works flawlessly https://blog.mailpace.com/blog/fly-machines-automating-certi...

Hem... Plan 9 cpuservers rediscovered in less universal and limited shape?