Imports github.com/boltdb/bolt github.com/dgrijalva/jwt-go github.com/lestrrat/go-file-rotatelogs github.com/rifflock/lfshook github.com/sirupsen/logrus gopkg.in/gomail.v2 Standard library imports bufio bytes crypto/md5 crypto/tls encoding/hex encoding/json errors fmt image image/jpeg image/png io/ioutil math/rand net/http os path strings time