Zlayer

zlayer.scala

val live: ZLayer[DBTransactor, Throwable, UserPersistence] =
  ZLayer.fromService(new DoobiePersistenceService(_))
  
val transactorLive: ZLayer[Has[DbConfig] with Blocking, Throwable, DBTransactor] =
  ZLayer.fromManaged(for {
    config     <- configuration.dbConfig.toManaged_
    connectEC  <- ZIO.descriptor.map(_.executor.asEC).toManaged_
    blockingEC <- blocking.blocking { ZIO.descriptor.map(_.executor.asEC) }.toManaged_
    transactor <- mkTransactor(config, connectEC, blockingEC)
  } yield transactor)