ZIO learning - application configuration / published by https://github.com/dacr/code-examples-manager #df673a20-1dd6-41f1-af38-7390da22d64d/e667d0ed85e7c4de729b618a91346c9ce373711e

zio-learning-config-1.sc

// summary : ZIO learning - application configuration
// keywords : scala, zio, learning, pure-functional, typesafeconfig, config,, @testable
// publish : gist
// authors : David Crosson
// license : Apache NON-AI License Version 2.0 (https://raw.githubusercontent.com/non-ai-licenses/non-ai-licenses/main/NON-AI-APACHE2)
// id : df673a20-1dd6-41f1-af38-7390da22d64d
// created-on : 2021-03-29T19:16:09Z
// managed-by : https://github.com/dacr/code-examples-manager
// run-with : scala-cli $file

// ---------------------
//> using scala "3.4.2"
//> using dep "dev.zio::zio:2.0.13"
//> using dep "dev.zio::zio-config:4.0.0-RC14"
//> using dep "dev.zio::zio-config-typesafe:4.0.0-RC14"
//> using dep "dev.zio::zio-config-magnolia:4.0.0-RC14"
//> using dep "dev.zio::zio-config-refined:4.0.0-RC14" // type-level predicates which constrain the set of values described for data types.
// ---------------------

import zio.*

import zio.config.*
import zio.config.typesafe.*
import zio.config.magnolia.*

case class Truc(name: String)
case class MyConfig(truc: Truc)

object Encapsulated extends ZIOAppDefault {
  // -------------------------------------------------------------
  val hoconConfigSource =
    ConfigProvider.fromHoconString(
      input = s"""truc {
                 |  name=blah
                 |}
                 |""".stripMargin
    )

  // -------------------------------------------------------------
  val logic        = for {
    config <- hoconConfigSource.load(deriveConfig[MyConfig])
    _      <- Console.printLine(config.truc.name)
  } yield ()
  // -------------------------------------------------------------
  override def run = {
    logic
  }
}

Encapsulated.main(args)