Merge pull request #5 from LedgerHQ/BACK-9362

chore(BACK-9362): switch from netty to ember

Author: jnicoulaud-ledger

modules/core/src/main/scala/pillars/HttpServer.scala

@@ -14,7 +14,7 @@ import org.http4s.HttpVersion
 import org.http4s.Response
 import org.http4s.Status
 import org.http4s.circe.CirceEntityCodec.circeEntityEncoder
-import org.http4s.netty.server.NettyServerBuilder
+import org.http4s.ember.server.EmberServerBuilder
 import org.http4s.server.Server
 import org.http4s.server.middleware.CORS
 import org.http4s.server.middleware.ErrorHandling
@@ -94,11 +94,12 @@ object HttpServer:
 
         val app: HttpApp[IO] = routes |> logging |> errorHandling |> cors
 
-        NettyServerBuilder[IO].withoutSsl.withNioTransport
-            .bindHttp(config.port.value, config.host.toString)
+        EmberServerBuilder
+            .default[IO]
+            .withHost(config.host)
+            .withPort(config.port)
             .withHttpApp(app)
-            .withoutBanner
-            .resource
+            .build
     end build
 
     private def exceptionHandler(tracer: Tracer[IO]): ExceptionHandler[IO] =

modules/http-client/src/main/scala/pillars/httpclient/httpclient.scala

@@ -22,8 +22,8 @@ import org.http4s.Uri
 import org.http4s.client.Client
 import org.http4s.client.middleware.FollowRedirect
 import org.http4s.client.middleware.Logger
+import org.http4s.ember.client.EmberClientBuilder
 import org.http4s.headers.`User-Agent`
-import org.http4s.netty.client.NettyClientBuilder
 import pillars.Logging
 import pillars.Module
 import pillars.Modules
@@ -102,12 +102,10 @@ object HttpClient extends ModuleSupport:
             conf    <- Resource.eval(reader.read[HttpClient.Config]("http-client"))
             metrics <- if conf.metrics then ClientMetrics(observability).map(_.middleware).toResource
                        else Resource.pure(identity[Client[IO]])
-            client  <- NettyClientBuilder[IO]
-                           .withHttp2
-                           .withNioTransport
+            client  <- EmberClientBuilder.default[IO]
                            .withUserAgent(conf.userAgent)
-                           .withMaxConnectionsPerKey(conf.maxConnections)
-                           .resource
+                           .withMaxPerKey(_ => conf.maxConnections)
+                           .build
                            .map: client =>
                                val logging        =
                                    if conf.logging.enabled then

project/Dependencies.scala

@@ -13,7 +13,6 @@ object versions {
     val fs2              = "3.12.0"
     val fs2Rabbit        = "5.2.0"
     val http4s           = "0.23.30"
-    val http4sNetty      = "0.5.23"
     val ip4s             = "3.6.0"
     val iron             = "2.6.0"
     val literally        = "1.2.0"
@@ -70,12 +69,12 @@ object Dependencies {
     )
 
     val http4sClient: Seq[ModuleID] = Seq(
-      "org.http4s"                  %% "http4s-netty-client" % versions.http4sNetty,
+      "org.http4s"                  %% "http4s-ember-client" % versions.http4s,
       "com.softwaremill.sttp.tapir" %% "tapir-http4s-client" % versions.tapir,
       "com.alejandrohdezma"         %% "http4s-munit"        % versions.munit.http4s % Test
     )
     val http4sServer: Seq[ModuleID] = Seq(
-      "org.http4s" %% "http4s-netty-server" % versions.http4sNetty
+      "org.http4s" %% "http4s-ember-server" % versions.http4s
     )
     val scodec: Seq[ModuleID]       = Seq(
       "org.scodec" %% "scodec-bits" % versions.scodec.bits,