Doobie + Circe

// see https://pastebin.com/6QWecwUA for JsonMeta

import doobie.util.meta.Meta
import io.circe.{Decoder, Encoder}

case class Schedule(...)

trait ScheduleCodecs {
  import io.circe.generic.semiauto._
  implicit val scheduleDecoder: Decoder[Schedule] = deriveDecoder
  implicit val scheduleEncoder: Encoder[Schedule] = deriveEncoder
}

trait ScheduleMeta extends ScheduleCodecs with JsonMeta {
  implicit val ScheduleMeta: Meta[Schedule] = codecMeta[Schedule]
}