I have a self-hosted version of Ghost blog
The platform: Ghost + Proxmox VE + Ubuntu 23.10 + Socat (instead of Nginx) + MySQL + Cloudflare Tunnels
Hardware: Fujitsu Futro S920 / 16 GB (2x8) SO-DIMM DDR3 1600 MHz RAM / mSATA SSD 512 GB

Read more here:
https://lavr.site/en-ghost-blog-complete-guide/