Imports github.com/dgrijalva/jwt-go github.com/gin-contrib/sessions github.com/gin-contrib/sessions/cookie github.com/gin-gonic/gin github.com/go-sql-driver/mysql github.com/pkg/errors gopkg.in/yaml.v2 Standard library imports bytes crypto/sha512 database/sql encoding/hex encoding/json encoding/xml errors fmt html image io io/ioutil mime/multipart net/http net/url os reflect regexp strconv strings