Imports github.com/h2non/filetype github.com/rs/xid golang.org/x/image/webp Imports in module “github.com/kazekim/backend-engineer-challenge/grlib” github.com/kazekim/backend-engineer-challenge/grlib/grerrors Standard library imports archive/zip bufio bytes encoding/base64 fmt image image/jpeg image/png io log mime/multipart net/http os path/filepath strings