Onboarding to a new codebase takes weeks of tribal knowledge

The README is from 2021. Why is this service split in two? Which config is real? The answers are in the heads of three senior engineers who are busy. New hires are slow for a month and feel bad about asking.
Who has it
Engineers joining a new team
How often
A few times a year
Pain
Costs me time
Would pay
Company would pay
Today’s workaround
Shadowing, endless Slack questions.

Who’s building this

Nobody yet. This one’s up for grabs.

I’m building this
Stage

Me too

Your version of the problem. Real stories are what builders need to get it right.