Imports github.com/lib/pq github.com/jinzhu/gorm golang.org/x/oauth2 golang.org/x/oauth2/github github.com/gorilla/sessions github.com/gorilla/securecookie github.com/qor/render github.com/joho/godotenv github.com/jinzhu/gorm/dialects/postgres Standard library imports crypto/rand encoding/base64 encoding/json errors flag fmt html/template io/ioutil log net/http os path/filepath regexp strings time