-- elastic + pureconfig

build.sbt

@@ -163,6 +163,7 @@ lazy val es68 = (project in file("es68"))
       "io.circe"               %% "circe-parser"         % "0.14.6",
       "io.circe"               %% "circe-generic-extras" % "0.14.3",
       "org.typelevel"          %% "cats-core"            % "2.10.0",
+      "com.github.pureconfig"  %% "pureconfig"           % "0.17.4",
     ),
   )
 

es68/src/main/resources/application.conf

@@ -0,0 +1,5 @@
+es {
+  protocol: "http"
+  host: "localhost"
+  port: 9200
+}

es68/src/main/scala/es/ESConfig.scala

@@ -0,0 +1,30 @@
+package es
+
+import com.sksamuel.elastic4s.http.ElasticNodeEndpoint
+import com.sksamuel.elastic4s.http.ElasticProperties
+
+object ESConfig {
+
+  case class ElasticNodeProperties(protocol: String, host: String, port: Int)
+
+  case class AppProperties(es: ElasticNodeProperties)
+
+  import pureconfig._
+  import pureconfig.generic.auto._
+
+  private lazy val config =
+    ConfigSource
+      .resources("application.conf")
+      .load[AppProperties]
+      .getOrElse(throw new IllegalArgumentException("config read error"))
+
+  private lazy val es = config.es
+
+  private lazy val options: Map[String, String] = Map.empty
+
+  private lazy val nodes: Seq[ElasticNodeEndpoint] = Seq(ElasticNodeEndpoint(es.protocol, es.host, es.port, None))
+
+//  val props: ElasticProperties     = ElasticProperties("http://localhost:9200")
+  lazy val props: ElasticProperties = ElasticProperties(nodes, options)
+
+}

es68/src/main/scala/es/ExploreElastic68.scala

@@ -24,10 +24,10 @@ import org.scalatest.funsuite.AnyFunSuite
 
 class ExploreElastic68 extends AnyFunSuite with BeforeAndAfterAll {
 
+  val client: ElasticClient = ElasticClient(ESConfig.props)
+
   type EsIndex = String
   type EsType  = String
-  val props: ElasticProperties     = ElasticProperties("http://localhost:9200")
-  val client: ElasticClient        = ElasticClient(props)
   val myIndex: EsIndex             = "artists"
   val myType: EsType               = "myType"
   val myIndexAndType: IndexAndType = myIndex / myType