ぐぐらなくても雰囲気でできるレベル。herokuまたは俺すごい。

%brew install memcached
%memcached -vv
%heroku addons:add memcache:5mb//自分はherokuのGUIからインストールした
%heroku config
MEMCACHE_PASSWORD   => password
MEMCACHE_SERVERS    => server
MEMCACHE_USERNAME   => user_name

myproject/conf/application.conf

memcached=enabled
memcached.host=MEMCACHE_SERVERS
memcached.user=MEMCACHE_USERNAME
memcached.password=MEMCACHE_PASSWORD

Application.scala

package controllers
 
import play.api.data.Form
import play.api.data.Forms.{single, nonEmptyText}
import play.api.mvc.{Action, Controller}
import anorm.NotAssigned
import play.api.cache.Cache
import play.api.cache.Cached
import play.api.Play.current
 
 
object Application extends Controller {

  def index = Cached("home_page") {
    Action {
      Ok(views.html.index())
    }
  }

}