Updated following dependencies as they need changes to the code to work properly:

- Scala
- fs2
- http4s

modules/restserver/src/main/scala/docspell/restserver/ConfigFile.scala

@@ -10,6 +10,7 @@ import java.security.SecureRandom
 
 import cats.Monoid
 import cats.effect.Async
+import fs2.io.file.Files
 
 import docspell.backend.auth.Login
 import docspell.backend.signup.{Config => SignupConfig}
@@ -30,7 +31,7 @@ object ConfigFile {
   // IntelliJ is wrong, this is required
   import Implicits._
 
-  def loadConfig[F[_]: Async](args: List[String]): F[Config] = {
+  def loadConfig[F[_]: Async: Files](args: List[String]): F[Config] = {
     val logger = docspell.logging.getLogger[F]
     val validate =
       Validation.of(

modules/restserver/src/main/scala/docspell/restserver/RestAppImpl.scala

@@ -9,6 +9,7 @@ package docspell.restserver
 import cats.effect._
 import fs2.Stream
 import fs2.concurrent.Topic
+import fs2.io.file.Files
 
 import docspell.backend.BackendApp
 import docspell.backend.auth.{AuthToken, ShareToken}
@@ -36,7 +37,7 @@ import org.http4s.client.Client
 import org.http4s.server.Router
 import org.http4s.server.websocket.WebSocketBuilder2
 
-final class RestAppImpl[F[_]: Async](
+final class RestAppImpl[F[_]: Async: Files](
     val config: Config,
     val backend: BackendApp[F],
     httpClient: Client[F],
@@ -162,7 +163,7 @@ final class RestAppImpl[F[_]: Async](
 
 object RestAppImpl {
 
-  def create[F[_]: Async](
+  def create[F[_]: Async: Files](
       cfg: Config,
       pools: Pools,
       store: Store[F],

modules/restserver/src/main/scala/docspell/restserver/RestServer.scala

@@ -12,6 +12,8 @@ import cats.effect._
 import cats.implicits._
 import fs2.Stream
 import fs2.concurrent.Topic
+import fs2.io.file.Files
+import fs2.io.net.Network
 
 import docspell.backend.msg.Topics
 import docspell.backend.ops.ONode
@@ -35,7 +37,7 @@ import org.http4s.server.websocket.WebSocketBuilder2
 
 object RestServer {
 
-  def serve[F[_]: Async](
+  def serve[F[_]: Async: Files: Network](
       cfg: Config,
       pools: Pools
   ): F[ExitCode] =
@@ -55,7 +57,7 @@ object RestServer {
           .flatMap { case (restApp, pubSub, setting) =>
             Stream(
               restApp.subscriptions,
-              restApp.eventConsume(2),
+              restApp.eventConsume(maxConcurrent = 2),
               Stream.resource {
                 if (cfg.serverOptions.enableHttp2)
                   EmberServerBuilder
@@ -81,7 +83,7 @@ object RestServer {
         (server ++ Stream(keepAlive)).parJoinUnbounded.compile.drain.as(ExitCode.Success)
     } yield exit
 
-  def createApp[F[_]: Async](
+  def createApp[F[_]: Async: Files: Network](
       cfg: Config,
       pools: Pools,
       wsTopic: Topic[F, OutputEvent]

modules/restserver/src/main/scala/docspell/restserver/routes/UploadRoutes.scala

@@ -9,6 +9,7 @@ package docspell.restserver.routes
 import cats.data.OptionT
 import cats.effect._
 import cats.implicits._
+import fs2.io.file.Files
 
 import docspell.backend.BackendApp
 import docspell.backend.auth.AuthToken
@@ -25,7 +26,7 @@ import org.log4s._
 object UploadRoutes {
   private[this] val logger = getLogger
 
-  def secured[F[_]: Async](
+  def secured[F[_]: Async: Files](
       backend: BackendApp[F],
       cfg: Config,
       user: AuthToken
@@ -50,7 +51,7 @@ object UploadRoutes {
     }
   }
 
-  def open[F[_]: Async](backend: BackendApp[F], cfg: Config): HttpRoutes[F] = {
+  def open[F[_]: Async: Files](backend: BackendApp[F], cfg: Config): HttpRoutes[F] = {
     val dsl = new Http4sDsl[F] with ResponseGenerator[F] {}
     import dsl._
 
@@ -78,7 +79,7 @@ object UploadRoutes {
     }
   }
 
-  private def submitFiles[F[_]: Async](
+  private def submitFiles[F[_]: Async: Files](
       backend: BackendApp[F],
       cfg: Config,
       accOrSrc: Either[Ident, CollectiveId],