Database

Sometimes you need a backend storage, i.e redis, which will keep your session data on server restarts and scale horizontally.
Registering a session database can be done through a single call of sessions.UseDatabase(database).
Iris implements three (3) builtin session databases for redis, badger and boltdb. These session databases are implemented via the iris/sessions/sessiondb subpackage which you'll have to import.
import the gitbub.com/kataras/iris/sessions/sessiondb/redis or boltdb or badger,
initialize the database and
register it
For example, to register the redis session database:
import (
    "github.com/kataras/iris"
    "github.com/kataras/iris/sessions"
​
    // 1. Import the session database.
    "github.com/kataras/iris/sessions/sessiondb/redis"
)
​
// 2. Initialize the database.
// These are the default values,
// you can replace them based on your running redis' server settings:
db := redis.New(redis.Config{
    Network:   "tcp",
    Addr:      "127.0.0.1:6379",
    Timeout:   time.Duration(30) * time.Second,
    MaxActive: 10,
    Password:  "",
    Database:  "",
    Prefix:    "",
    Delim:     "-",
    Driver:    redis.Redigo(), // redis.Radix() can be used instead.
})
​
// Optionally configure the underline driver:
// driver := redis.Redigo()
// driver.MaxIdle = ...
// driver.IdleTimeout = ...
// driver.Wait = ...
// redis.Config {Driver: driver}
​
// Close connection when control+C/cmd+C
iris.RegisterOnInterrupt(func() {
    db.Close()
})
​
sess := sessions.New(sessions.Config{
    Cookie:       "sessionscookieid",
    AllowReclaim: true,
})
​
// 3. Register it.
sess.UseDatabase(db)
​
// [...]
boltdb
import "os"
import "github.com/kataras/iris/sessions/sessiondb/boltdb"
​
db, err := boltdb.New("./sessions.db", os.FileMode(0750))
badger
import "github.com/kataras/iris/sessions/sessiondb/badger"
​
db, err := badger.New("./data")
Sessions
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