build.sbt

lazy val akkaHttpVersion = "10.1.1"
lazy val akkaVersion    = "2.5.12"

lazy val root = (project in file(".")).
  settings(
    inThisBuild(List(
      organization    := "com.example",
      scalaVersion    := "2.12.5"
    )),
    name := "akka-remote-example",
    scriptClasspath += "../conf",
    libraryDependencies ++= Seq(
      "com.typesafe.akka" %% "akka-actor"           % akkaVersion,
      "com.typesafe.akka" %% "akka-remote"          % akkaVersion,
      "com.typesafe.akka" %% "akka-slf4j"           % akkaVersion,
      "ch.qos.logback"     % "logback-classic"      % "1.0.13",

      "com.typesafe.akka" %% "akka-multi-node-testkit"  % akkaVersion % Test,
      "com.typesafe.akka" %% "akka-testkit"         % akkaVersion     % Test,
      "org.scalatest"     %% "scalatest"            % "3.0.1"         % Test
    ),
    mainClass in Global := Some("com.example.SingleNodeApp"),
    assemblyJarName in assembly := "akka-remote-example.jar",
    // Multi Jvm Test Settings
    compile in MultiJvm := ((compile in MultiJvm) triggeredBy (compile in Test)).value,
    parallelExecution in Test := false,
    executeTests in Test := { 
        val testResults = (executeTests in Test).value
        val multiNodeResults = (executeTests in MultiJvm).value
        val overall =
          if (testResults.overall.id < multiNodeResults.overall.id)
            multiNodeResults.overall
          else
            testResults.overall
        Tests.Output(overall, 
          testResults.events ++ multiNodeResults.events,
          testResults.summaries ++ multiNodeResults.summaries)
    }
  ).
  enablePlugins(JavaAppPackaging).
  enablePlugins(MultiJvmPlugin).
  configs(MultiJvm)