sbt - Multi Project build.sbt sample

build.sbt

name := "scala-for-work"

// 共通設定
lazy val commonSettings = Seq(
  organization := "io.martin.lover",
  version      := "0.1.0",
  scalaVersion := "2.12.1",

  // SBT Consoleでサブプロジェクトの名前を表示
  shellPrompt  := { s =>
    (scala.Console.GREEN + s"[${Project.extract(s).currentProject.id}] > " + scala.Console.RESET)
  },

  // 共通のLibraryDependencies
  libraryDependencies ++= Seq (
    "org.specs2"        %% "specs2-core"  % "3.8.9"     % "test"
  )
)

// ライブラリ検索レポジトリの追加
resolvers += Resolver.mavenLocal

// サブプロジェクト毎の依存
lazy val webLibraryDependencies = {
  val akkaHttpVersion = "10.0.4"
  Seq (
    "com.typesafe.akka"    %% "akka-http-core"       % akkaHttpVersion,
    "com.typesafe.akka"    %% "akka-http"            % akkaHttpVersion,
    "com.typesafe.akka"    %% "akka-http-spray-json" % akkaHttpVersion,
    "com.typesafe.akka"    %% "akka-http-testkit"    % akkaHttpVersion % "test"
  )
}
lazy val batchLibraryDependencies = {
  lazy val akkaVersion = "2.4.17"
  Seq (
    // Daemon
    "commons-daemon"          % "commons-daemon"       % "1.0.15",

    "com.typesafe.akka"      %% "akka-actor"           % akkaVersion,
    "com.typesafe.akka"      %% "akka-cluster"         % akkaVersion,
    "com.typesafe.akka"      %% "akka-testkit"         % akkaVersion % "test"
  )
}

// 集約
lazy val `root`  = (project in file("."))
  .aggregate(`core`, `web`, `batch`)

// サブプロジェクト
lazy val `core`  = (project in file("core"))
  .settings(commonSettings)

lazy val `web`   = (project in file("web"))
  .settings(commonSettings)
  .settings(libraryDependencies ++= webLibraryDependencies)
  .dependsOn(core)

lazy val `batch` = (project in file("batch"))
  .settings(commonSettings)
  .settings(libraryDependencies ++= batchLibraryDependencies)
  .dependsOn(core)