TechEmpower.FrameworkBenchmarks/frameworks/Scala/finch/src/main/scala/Main.scala

import com.twitter.io.Buf
import com.twitter.finagle.Http
import com.twitter.finagle.http.{Request, Response}
import com.twitter.finagle.Service
import com.twitter.finagle.stack.nilStack
import com.twitter.util.Await

import cats.effect.IO
import io.circe.Json
import io.finch._
import io.finch.circe._

object Main extends App with Endpoint.Module[IO] {

  val helloWorld: Buf = Buf.Utf8("Hello, World!")

  val json: Endpoint[IO, Json] = get("json") {
    Ok(Json.obj("message" -> Json.fromString("Hello, World!")))
  }

  val plaintext: Endpoint[IO, Buf] = get("plaintext") {
    Ok(helloWorld)
  }

  val service: Service[Request, Response] =
    Bootstrap.configure(includeDateHeader = true, includeServerHeader = true)
      .serve[Application.Json](json)
      .serve[Text.Plain](plaintext)
      .toService

  Await.ready(
    Http.server
      .withCompressionLevel(0)
      .withStack(nilStack[Request, Response])
      .serve(":9000", service)
  )
}