controller

Imports

• github.com/labstack/echo/v4
• github.com/mnako/letters
• gorm.io/gorm

Imports in module “github.com/t1732/mmbox”

• github.com/t1732/mmbox/internal/model
• github.com/t1732/mmbox/internal/serialize

Standard library imports

• fmt
• net/http
• strconv