A registration endpoint is small enough to hold in your head and real enough to hurt: validate the input, hash the password, write to the database, send a welcome email. In Express, I pulled the business logic out of the route handler — the logic in its own registerUser function, and a tiny hand...
Source: [Dev.to](https://dev.to/_notbu7ch/from-node-to-go-the-same-post-register-side-by-side-5h15)