app/configuration/AppLoader.scala

package configuration

import play.api.ApplicationLoader.Context
import play.api.{Application, ApplicationLoader, LoggerConfigurator}

class AppLoader extends ApplicationLoader {

  override def load(context: Context): Application = {
    LoggerConfigurator(context.environment.classLoader).foreach {
      _.configure(context.environment)
    }
    new ApplicationComponents(context).application
  }
}