Upload play framework 2 build to amazon s3

Build.scala

import sbt._
import Keys._
import play.Project._
import com.typesafe.sbt.S3Plugin._
import S3._

object ApplicationBuild extends Build {

  val appName         = "sample"
  val appVersion      = "1.0-SNAPSHOT"

  val appDependencies = Seq(
    // Add your project dependencies here,
    jdbc,
    anorm
  )


  val main = play.Project(appName, appVersion, appDependencies).settings(s3Settings: _*).settings(

    //Show the progress
    S3.progress in S3.upload := true,

    mappings in upload <<= dist map { distFile => 
      Seq(distFile -> distFile.name) 
      //You can choose different name
      //Seq(distFile -> "snapshot/%s/%s/%s-%s.zip".format(appName, appVersion, appName, appVersion))
    },

    //The bucket url
    host in upload := "BUCKET_NAME.s3.amazonaws.com",

    //The bucket credential
    credentials += Credentials("Amazon S3", "BUCKET_NAME.s3.amazonaws.com", "Access Key Id", "Secret Access Key")

    //Or credentials in a file
    //credentials += Credentials(Path.userHome / ".s3credentials")
    //.s3credentials
    /*
    realm=Amazon S3
    host=BUCKET_NAME.s3.amazonaws.com
    user=<Access Key ID>
    password=<Secret Access Key>
    */
  )

}

plugins.sbt

// Comment to get more information during initialization
logLevel := Level.Warn

// The Typesafe repository 
resolvers += "Typesafe repository" at "http://repo.typesafe.com/typesafe/releases/"

// Use the Play sbt plugin for Play projects
addSbtPlugin("play" % "sbt-plugin" % "2.1.2")

//https://github.com/sbt/sbt-s3
addSbtPlugin("com.typesafe.sbt" % "sbt-s3" % "0.5")