diff --git a/back/server.ts b/back/server.ts
index 1aa51160..8d761719 100644
--- a/back/server.ts
+++ b/back/server.ts
@@ -3,11 +3,13 @@ import App from "./src/App";
 import grpc from "grpc";
 import {roomManager} from "./src/RoomManager";
 import {IRoomManagerServer, RoomManagerService} from "./src/Messages/generated/messages_grpc_pb";
+import {HTTP_PORT, GRPC_PORT} from "./src/Enum/EnvironmentVariable";
 
-App.listen(8080, () => console.log(`WorkAdventure starting on port 8080!`))
+App.listen(HTTP_PORT, () => console.log(`WorkAdventure HTTP API starting on port %d!`, HTTP_PORT))
 
 const server = new grpc.Server();
 server.addService<IRoomManagerServer>(RoomManagerService, roomManager);
 
-server.bind('0.0.0.0:50051', grpc.ServerCredentials.createInsecure());
+server.bind('0.0.0.0:'+GRPC_PORT, grpc.ServerCredentials.createInsecure());
 server.start();
+console.log('WorkAdventure HTTP/2 API starting on port %d!', GRPC_PORT);
diff --git a/back/src/Enum/EnvironmentVariable.ts b/back/src/Enum/EnvironmentVariable.ts
index 3a2ac99e..00750969 100644
--- a/back/src/Enum/EnvironmentVariable.ts
+++ b/back/src/Enum/EnvironmentVariable.ts
@@ -10,7 +10,9 @@ const CPU_OVERHEAT_THRESHOLD = Number(process.env.CPU_OVERHEAT_THRESHOLD) || 80;
 const JITSI_URL : string|undefined = (process.env.JITSI_URL === '') ? undefined : process.env.JITSI_URL;
 const JITSI_ISS = process.env.JITSI_ISS || '';
 const SECRET_JITSI_KEY = process.env.SECRET_JITSI_KEY || '';
-export const SOCKET_IDLE_TIMER = parseInt(process.env.SOCKET_IDLE_TIMER as string) || 30; // maximum time (in second) without activity before a socket is closed 
+const HTTP_PORT = parseInt(process.env.HTTP_PORT || '8080') || 8080;
+const GRPC_PORT = parseInt(process.env.GRPC_PORT || '50051') || 50051;
+export const SOCKET_IDLE_TIMER = parseInt(process.env.SOCKET_IDLE_TIMER as string) || 30; // maximum time (in second) without activity before a socket is closed
 
 export {
     SECRET_KEY,
@@ -18,6 +20,8 @@ export {
     MINIMUM_DISTANCE,
     ADMIN_API_URL,
     ADMIN_API_TOKEN,
+    HTTP_PORT,
+    GRPC_PORT,
     MAX_USERS_PER_ROOM,
     GROUP_RADIUS,
     ALLOW_ARTILLERY,