Imports firebase.google.com/go/v4 firebase.google.com/go/v4/auth github.com/go-chi/chi/v5 github.com/go-chi/render google.golang.org/api/option gorm.io/driver/mysql gorm.io/gorm gorm.io/gorm/logger Standard library imports context crypto/sha256 encoding/hex errors fmt log net/http os strconv time