port changes

Jenkinsfile

@@ -103,7 +103,7 @@ node{
 	
 	def imageExpress = stage("Build express preprod")
 	{
-		docker.build("server-express-preprod", "--no-cache --label traefik.enable=true --label traefik.http.routers.server-express-preprod.rule='Host(`api-preprod.foodgame.fr`)' --label traefik.http.routers.server-express-preprod.entrypoints=websecure --label traefik.http.routers.server-express-preprod.tls.certresolver=myresolver -f express-server/Dockerfile express-server")
+		docker.build("server-express-preprod", "--no-cache --label traefik.enable=true --label traefik.http.routers.server-express-preprod.rule='Host(`api-preprod.foodgame.fr`)' --label traefik.http.services.express_preprod.loadbalancer.server.port=4000 --label traefik.http.routers.server-express-preprod.entrypoints=websecure --label traefik.http.routers.server-express-preprod.tls.certresolver=myresolver -f express-server/Dockerfile express-server")
 	}
     stage("Run Container express preprod")
 	{

express-server/index.js

@@ -83,7 +83,7 @@ require('./lib/db');
 
 
 //listen for requests 
-const PORT = process.env.PORT || 9991;
+const PORT = process.env.PORT || 4000;
 app.listen(PORT, () => {
     console.log(`Api listen on port ${PORT}.`);
 });