Agree to disagree? I have a dishwasher and hate it for daily cleaning, but it does a good job for burned greasy pots or stuff dirty from dough. If it saves your time for daily work, good for you.
So kind of like preparing the plate before putting it in? By rinsing it with water to get rid of any solid parts, at which point I'm two moves of sponge away from having a clean plate?
If I recall correctly they used some exotic database that is made for multi tenant cloud environments and scales up really well, but does not scale down too much. I've seen some article where a guy managed to set it up locally but it was a long one, and the result was resource hungry. But, again, my knowledge may be outdated
Just look at the setup docs. First they tell you to setup mysql and then this nugget
The correct way to authenticate with Spanner is by generating an OAuth token and pointing your local application server to the token. In order for this to work, your Google Cloud account must have the correct permissions; contact the Ops team to ensure the correct permissions are added to your account.
Syncserver was what OP was asking for, I used it and it was great while it worked. The rust rewrite is almost impossible to self-host, at least as of a year ago there was no easy way to do it on a reasonably sized machine.
Go Bisq or RetoSwap, there are Simplex channels too