When I used dynamic languages (Node.js and Ruby) I leaned on the database as the structural source of truth for types—it was the rigor a successful project need

When I used dynamic languages (Node.js and Ruby) I leaned on the database as the structural source of truth for types—it was the rigor a successful project needs. But as I’ve been using only statically typed languages the last few years (on the backend), I’ve moved to designing the domains in the code, like you said.