Seed Data and Request Validation in Go: 201 Products, One Command: E-5

An empty store is useless for testing. This episode fills Postgres with a real product catalog of two hundred and one items using a single Go command, and adds proper request validation so bad data never reaches the database.

We write a Go seeder that reads structured data and inserts it efficiently, then layer in validator tags on our request structs so Gin rejects invalid input automatically with clean error messages.