session-nodb 
Session-nodb is a store of session middleware for Tango stored session data via nodb.
Installation
go get github.com/tango-contrib/session-nodb
Simple Example
package main
import (
"github.com/lunny/tango"
"github.com/tango-contrib/session"
"github.com/tango-contrib/session-nodb"
)
type SessionAction struct {
session.Session
}
func (a *SessionAction) Get() string {
a.Session.Set("test", "1")
return a.Session.Get("test").(string)
}
func main() {
o := tango.Classic()
store, _ := nodbstore.New(nodbstore.Options{
Path: "./nodbstore",
DbIndex: 0,
MaxAge: 30 * time.Minute,
})
o.Use(session.New(session.Options{
Store: store,
}))
o.Get("/", new(SessionAction))
}