Add configuration

build.sbt

@@ -13,6 +13,8 @@ lazy val root = (project in file("."))
       http4sEmberServer,
       logbackClassic,
       logBackEncoder,
+      pureConfig,
+      pureConfigCatsEffect,
       scalaTest
     )
   )

project/Dependencies.scala

@@ -2,6 +2,7 @@ import sbt.*
 
 object Dependencies {
   private val http4sVersion = "0.23.26"
+  private val pureConfigVersion = "0.17.6"
 
   lazy val catsEffect = "org.typelevel" %% "cats-effect" % "3.5.4"
 
@@ -11,5 +12,8 @@ object Dependencies {
   lazy val logBackEncoder = "net.logstash.logback" % "logstash-logback-encoder" % "7.4"
   lazy val logbackClassic = "ch.qos.logback" % "logback-classic" % "1.5.6"
 
+  lazy val pureConfig = "com.github.pureconfig" %% "pureconfig" % pureConfigVersion
+  lazy val pureConfigCatsEffect = "com.github.pureconfig" %% "pureconfig-cats-effect" % pureConfigVersion
+
   lazy val scalaTest = "org.scalatest" %% "scalatest" % "3.2.18"
 }

src/main/resources/application.conf

@@ -0,0 +1,5 @@
+auth {
+  url = "https://auth.tdr-integration.nationalarchives.gov.uk"
+  url = ${?AUTH_URL}
+  realm = "tdr"
+}

src/main/scala/uk/gov/nationalarchives/tdr/transfer/service/Config.scala

@@ -0,0 +1,7 @@
+package uk.gov.nationalarchives.tdr.transfer.service
+
+object Config {
+  case class Auth(url: String, realm: String)
+
+  case class Configuration(auth: Auth)
+}

src/test/resources/application.conf

@@ -0,0 +1,4 @@
+auth {
+  url = "http://localhost:8000/auth"
+  realm = "tdr"
+}