I've been using a starter kit[1] to build our API.For database access using Modl[2] similar to gorp but uses sqlx internally. Much of the data access code is generated as I'm of opinion reflection based ORM doesn't lend itself well in Go.

[1]https://github.com/qiangxue/golang-restful-starter-kit

[2]https://github.com/jmoiron/modl