From Node to Go - the same POST /register, side by side

Short summary

A side-by-side code comparison of a POST /register endpoint implemented in Node.js (Express + Prisma) and Go (database/sql + net/http). Both versions separate business logic from HTTP handlers — registerUser/RegisterUser functions handle validation, password hashing, DB writes, and email sending without knowing about HTTP. The post shows the same architectural pattern expressed in two languages with contrasting idioms.

• •Side-by-side comparison of a registration endpoint in Node.js Express and Go
• •Both versions separate business logic from HTTP handlers for testability
• •Go uses plain SQL while Node uses Prisma ORM — idiomatic defaults for each language

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