diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..eadc11f
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,7 @@
+language: python
+install: ""
+python:
+    - "3.5"
+script:
+  - git clone https://github.com/YunoHost/package_linter
+  - python package_linter/package_linter.py .
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..ee8a21d
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,22 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 All contributors to The Lounge
+Copyright (c) 2014 Mattias Erming and contributors, as part of Shout.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE. 
diff --git a/check_process b/check_process
index 10f4d4b..7cd79cc 100644
--- a/check_process
+++ b/check_process
@@ -19,7 +19,7 @@
 		setup_public=1
 		upgrade=1
 		backup_restore=0
-		multi_instance=1
+		multi_instance=0
 		incorrect_path=1
 		port_already_use=1
 		change_url=0
@@ -27,8 +27,8 @@
 	Level 1=auto
 	Level 2=auto
 	Level 3=auto
-# Level 4: 
-	Level 4=1 # https://github.com/Rafi594/thelounge_ynh/blob/master/conf/config.js#L391-L452
+# Level 4: https://github.com/Rafi594/thelounge_ynh/blob/master/conf/config.js#L391-L452
+	Level 4=1
 # Level 5: 
 	Level 5=auto
 	Level 6=auto
diff --git a/manifest.json b/manifest.json
index a350b32..295b586 100644
--- a/manifest.json
+++ b/manifest.json
@@ -8,7 +8,7 @@
     },
     "version": "2.7.1~ynh1",
     "url": "https://thelounge.chat/",
-    "license": "free",
+    "license": "MIT",
     "maintainer": {
         "name": "rafi59",
         "email": "rafi59_dev@srvmaison.fr.nf",
diff --git a/scripts/upgrade b/scripts/upgrade
index 6b6fa09..cf14a6f 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -84,6 +84,13 @@ ynh_add_nginx_config
 # Create a system user
 ynh_system_user_create $app
 
+#=================================================
+# UPGRADE NODEJS
+#=================================================
+
+systemctl stop thelounge
+ynh_cron_upgrade_node
+
 #=================================================
 # SETUP SYSTEMD
 #=================================================
@@ -109,17 +116,15 @@ cp -a ../conf/config.js $config_path
 # UPGRADE THE LOUNGE
 #=================================================
 
-# Upgrade Nodejs
-ynh_install_nodejs
 
 ynh_setup_source $final_path
 cd $final_path
 npm install --unsafe-perm
 
 # Install webpack
-npm install webpack
-npm install webpack-cli
-npm install copy-webpack-plugin
+npm upgrade webpack
+npm upgrade webpack-cli
+npm upgrade copy-webpack-plugin
 
 # Build The Lounge
 NODE_ENV=production npm run build
@@ -171,5 +176,6 @@ fi
 # RELOAD NGINX
 #=================================================
 
-systemctl restart thelounge
+systemctl start thelounge
+sleep 30
 systemctl reload nginx