Last time i checked you needed a MS SQL db...
"All Bitwarden self-hosted server deployments, except for unified, ship with an MSSQL Express image by default."
For real? That would mean a requirement for a software license that costs about $1,000 for the cheapest option.
But also what about the whole lifecycle?
I can easily deploy a HA Postgres cluster that is backed up for me. I'd have to do the same thing to back up BW.