build.sbt part 4 for Medium Post

build-3.sbt

// Task to create helm chart
lazy val createImporterHelmChart: Def.Initialize[Task[Seq[File]]] = Def.task {
  val chartFile = baseDirectory.value / "helm" / "Chart.yaml"
  val valuesFile = baseDirectory.value / "helm" / "values.yaml"
  
  val chartContents =
    s"""# Generated by build.sbt. Please don't manually update
       |apiVersion: v1
       |name: $domain-${name.value}
       |version: ${version.value}
       |appVersion: ${version.value}
       |description: Sample ETL Job for Medium Post
       |home: http://bit.ly/spark-k8s
       |sources:
       |  - https://github.com/TomLous/medium-spark-k8s
       |maintainers: 
       |  - name: Tom Lous
       |    email: tomlous@gmail.com
       |    url: https://lous.info       
       |""".stripMargin

  val valuesContents =
    s"""# Generated by build.sbt. Please don't manually update      
       |version: ${version.value}
       |sparkVersion: ${sparkVersion}
       |image: $domain/${name.value}:${version.value}
       |imageRegistry:
       |jar: local://$targetDockerJarPath/$domain-${name.value}.jar
       |mainClass: ${(Compile / run / mainClass).value.getOrElse("__MAIN_CLASS__")}
       |fileDependencies: []
       |""".stripMargin

  IO.write(chartFile, chartContents)
  IO.write(valuesFile, valuesContents)
  Seq(chartFile, valuesFile)
}