Simplest static resources http server example using akka-http framework with shutdown support and root redirect. / published by https://github.com/dacr/code-examples-manager #e40a4c3a-fa13-4755-a01b-368ddce90f98/4765d7192a75f3fa497ff105a143f53839a517d

akka-http-server-static-files-with-shutdown.sc

// summary : Simplest static resources http server example using akka-http framework with shutdown support and root redirect.
// keywords : scala, actors, akka-http, http-server
// publish : gist
// authors : David Crosson
// license : Apache NON-AI License Version 2.0 (https://raw.githubusercontent.com/non-ai-licenses/non-ai-licenses/main/NON-AI-APACHE2)
// id : e40a4c3a-fa13-4755-a01b-368ddce90f98
// created-on : 2018-06-30T15:43:05Z
// managed-by : https://github.com/dacr/code-examples-manager
// execution : scala ammonite script (http://ammonite.io/) - run as follow 'amm scriptname.sc'

import $ivy.`com.typesafe.akka::akka-http:10.2.4`
import $ivy.`com.typesafe.akka::akka-stream:2.6.13`

import akka.http.scaladsl._
import akka.http.scaladsl.server.Directives._
import akka.http.scaladsl.model.StatusCodes
import scala.concurrent.Await
import scala.concurrent.duration.Duration

object StaticServer {
  implicit val system = akka.actor.ActorSystem("MySystem")
  implicit val executionContext = system.dispatcher

  val stopHook = path("shutdown") { get { complete { shutdown() ; "OK" } } }
  val statics = pathPrefix("browse") { getFromBrowseableDirectory(".") }
  val home = pathPrefix("") {redirect("/browse", StatusCodes.TemporaryRedirect)}
  val bindingFuture = Http().newServerAt("0.0.0.0", 8080).bind(stopHook ~ statics ~ home)

  bindingFuture.andThen{case _ => println("Ready.")}

  def shutdown():Unit = bindingFuture.flatMap(_.unbind()).onComplete { _ => system.terminate() }

  // Utility function to avoid default exit
  def waitForShutdown(): Unit = Await.ready(system.whenTerminated, Duration.Inf)
}

StaticServer.waitForShutdown()