How DB migrations work in particular (other things, like business logic, work similarly): https://news.ycombinator.com/item?id=29046303 https://news.ycombinator

How DB migrations work in particular (other things, like business logic, work similarly): https://news.ycombinator.com/item?id=29046303 https://news.ycombinator.com/item?id=29046303