diff --git a/hosts/world-dev/configuration.nix b/hosts/world-dev/configuration.nix
index 51d381a..677831e 100644
--- a/hosts/world-dev/configuration.nix
+++ b/hosts/world-dev/configuration.nix
@@ -6,6 +6,10 @@
       ./hardware-configuration.nix
       ../../configuration/common
       ../../configuration/proxmox-vm
+      (import (fetchGit {
+         url = https://bitbucket.fem.tu-ilmenau.de/scm/~clerie/workadventure-nix-modules.git;
+         ref = "96c7a69f52154b8bb88dfaee8926a13da0759503";
+      }))
     ];
 
   nixpkgs.overlays = [
@@ -34,21 +38,36 @@
     forceSSL = true;
     root = (pkgs.workadventure-xce.front.override {
       environment = {
-        API_URL = "pusher.world.fem-net.de";
+        API_URL = "world.clerie.de/pusher";
         JITSI_URL = "jitsi.fem.tu-ilmenau.de";
         TURN_SERVER="turn:turn.fem-net.de:3478,turns:turn.fem-net.de:5349";
         TURN_USER="workadventure";
         TURN_PASSWORD="workadventure";
       };
     }) + "/dist";
-
     locations."/_/" = {
       tryFiles = "/index.html =404";
     };
-
+    locations."/pusher/" = {
+      proxyPass = "http://localhost:8080/";
+    };
   };
 
   networking.firewall.allowedTCPPorts = [ 80 443 ];
 
+  services.workadventure-core.back."world.clerie.de" = {
+    enable = true;
+    httpPort = 8081;
+    grpcPort = 50051;
+    package = pkgs.workadventure-xce.back;
+  };
+
+  services.workadventure-core.pusher."world.clerie.de" = {
+    enable = true;
+    apiUrl = "localhost:50051";
+    httpPort = 8080;
+    package = pkgs.workadventure-xce.pusher;
+  };
+
   system.stateVersion = "21.03";
 }