diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
deleted file mode 100644
index 873f5b2..0000000
--- a/.gitlab-ci.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-test:
-  script:
-  - apt-get update
-  - apt-get install -yy python git
-  - git clone https://github.com/YunoHost/package_linter
-  - pip install report
-  - python package_linter/package_linter.py .
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index eadc11f..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,7 +0,0 @@
-language: python
-install: ""
-python:
-    - "3.5"
-script:
-  - git clone https://github.com/YunoHost/package_linter
-  - python package_linter/package_linter.py .
diff --git a/check_process b/check_process
index 2166454..9431972 100644
--- a/check_process
+++ b/check_process
@@ -4,7 +4,6 @@
 		path="/path"
 		is_public=1
 		password="password"
-		port="9000"
 	; Checks
 		pkg_linter=1
 		setup_sub_dir=1
diff --git a/conf/systemd.service b/conf/systemd.service
index 0aed22e..e685ce4 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -6,7 +6,7 @@ After=network.target
 Type=simple
 User=__APP__
 Group=__APP__
-WorkingDirectory=__FINALPATH__
+WorkingDirectory=__FINALPATH__/
 Environment="PATH=__ENV_PATH__"
 Environment="THELOUNGE_HOME=/home/yunohost.app/__APP__/"
 Environment="NODE_ENV=production"
diff --git a/scripts/backup b/scripts/backup
index 073460e..634e91f 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -24,7 +24,7 @@ app=$YNH_APP_INSTANCE_NAME
 
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 domain=$(ynh_app_setting_get --app=$app --key=domain)
-config_path=$(ynh_app_setting_get --app=$app --key=config_path)
+datadir=$(ynh_app_setting_get --app=$app --key=datadir)
 
 #=================================================
 # DECLARE DATA AND CONF FILES TO BACKUP
@@ -53,7 +53,7 @@ ynh_backup --src_path="/etc/systemd/system/$app.service"
 # BACKUP CONFIG
 #=================================================
 
-ynh_backup --src_path="$config_path"
+ynh_backup --src_path="$datadir"
 
 #=================================================
 # END OF SCRIPT
diff --git a/scripts/install b/scripts/install
index 28cd8db..7c781a1 100644
--- a/scripts/install
+++ b/scripts/install
@@ -88,6 +88,10 @@ ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 # Download, check integrity, uncompress and patch the source from app.src
 ynh_setup_source --dest_dir=$final_path
 
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
+
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
@@ -96,6 +100,21 @@ ynh_script_progression --message="Configuring NGINX web server..."
 # Create a dedicated NGINX config
 ynh_add_nginx_config
 
+#=================================================
+# CREATE DATA DIRECTORY
+#=================================================
+ynh_script_progression --message="Creating a data directory..."
+
+
+datadir=/home/yunohost.app/$app
+ynh_app_setting_set --app=$app --key=datadir --value=$datadir
+
+mkdir -p $datadir
+
+chmod 750 "$datadir"
+chmod -R o-rwx "$datadir"
+chown -R $app:www-data "$datadir"
+
 #=================================================
 # SPECIFIC SETUP
 #=================================================
@@ -103,8 +122,6 @@ ynh_add_nginx_config
 #=================================================
 ynh_script_progression --message="Modifying a config file..."
 
-mkdir -p /home/yunohost.app/$app
-
 ynh_add_config --template="../conf/config.js" --destination="$config_path/config.js"
 
 #=================================================
@@ -114,7 +131,7 @@ ynh_script_progression --message="Installing The Lounge..."
 
 pushd $final_path
 	ynh_use_nodejs
-	yarn install 
+	ynh_exec_warn_less NODE_ENV=production yarn install 
 	ynh_exec_warn_less NODE_ENV=production yarn build
 popd
 
@@ -128,17 +145,6 @@ ynh_replace_string --match_string="__NODE__" --replace_string="$nodejs_path" --t
 
 ynh_add_systemd_config
 
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# SECURE FILES AND DIRECTORIES
-#=================================================
-ynh_script_progression --message="Securing files and directories..."
-
-# Set permissions to app files
-chown -R $app: $final_path
-chown -R $app: $config_path
-
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
 #=================================================
@@ -159,8 +165,11 @@ ynh_systemd_action --service_name=$app --action=start --log_path=systemd --line_
 #=================================================
 ynh_script_progression --message="Configuring permissions..."
 
-# Make app public if necessary or protect it
-[ $is_public -eq 0 ] || ynh_permission_update --permission="main" --add="visitors"
+# Make app public if necessary
+if [ $is_public -eq 1 ]
+then
+	ynh_permission_update --permission="main" --add="visitors"
+fi
 
 #=================================================
 # RELOAD NGINX
diff --git a/scripts/remove b/scripts/remove
index a09d08f..76609f1 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -19,7 +19,7 @@ app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 port=$(ynh_app_setting_get --app=$app --key=port)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
-config_path=$(ynh_app_setting_get --app=$app --key=config_path)
+datadir=$(ynh_app_setting_get --app=$app --key=datadir)
 
 #=================================================
 # STANDARD REMOVE
@@ -73,7 +73,7 @@ ynh_remove_nginx_config
 #=================================================
 ynh_script_progression --message="Removing the config file..."
 
-ynh_secure_remove --file="$config_path"
+ynh_secure_remove --file="$datadir"
 
 #=================================================
 # GENERIC FINALIZATION
diff --git a/scripts/restore b/scripts/restore
index 8d34e05..8237400 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -29,7 +29,7 @@ app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
-config_path=$(ynh_app_setting_get --app=$app --key=config_path)
+datadir=$(ynh_app_setting_get --app=$app --key=datadir)
 
 #=================================================
 # CHECK IF THE APP CAN BE RESTORED
@@ -65,21 +65,22 @@ ynh_script_progression --message="Restoring $app main directory..."
 
 ynh_restore_file --origin_path="$final_path"
 
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
+
 #=================================================
 # RESTORE THE CONFIG
 #=================================================
 ynh_script_progression --message="Restoring the config path..."
 
-ynh_restore_file --origin_path="$config_path"
+ynh_restore_file --origin_path="$datadir" --not_mandatory
 
-#=================================================
-# RESTORE USER RIGHTS
-#=================================================
-ynh_script_progression --message="Restoring user rights..."
+mkdir -p $datadir
 
-# Restore permissions to app files
-chown -R $app: $final_path
-chown -R $app: $config_path
+chmod 750 "$datadir"
+chmod -R o-rwx "$datadir"
+chown -R $app:www-data "$datadir"
 
 #=================================================
 # SPECIFIC RESTORATION
diff --git a/scripts/upgrade b/scripts/upgrade
index 0865c5c..8b41eae 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -19,7 +19,7 @@ app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
-config_path=$(ynh_app_setting_get --app=$app --key=config_path)
+datadir=$(ynh_app_setting_get --app=$app --key=datadir)
 port=$(ynh_app_setting_get --app=$app --key=port)
 
 #=================================================
@@ -29,6 +29,21 @@ ynh_script_progression --message="Checking version..."
 
 upgrade_type=$(ynh_check_app_version_changed)
 
+#=================================================
+# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
+#=================================================
+ynh_script_progression --message="Backing up the app before upgrading (may take a while)..."
+
+# Backup the current version of the app
+ynh_backup_before_upgrade
+ynh_clean_setup () {
+	ynh_clean_check_starting
+	# restore it if the upgrade fails
+	ynh_restore_upgradebackup
+}
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
+
 #=================================================
 # ENSURE DOWNWARD COMPATIBILITY
 #=================================================
@@ -40,11 +55,11 @@ if [ -z "$final_path" ]; then
 	ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 fi
 
-# If config_path doesn't exist, create it
-if [ -z "$config_path" ]; then
-	config_path=/home/yunohost.app/$app
+# If datadir doesn't exist, create it
+if [ -z "$datadir" ]; then
+	datadir=/home/yunohost.app/$app
 	mkdir -p /home/yunohost.app/$app
-	ynh_app_setting_set --app=$app --key=config_path --value=$config_path
+	ynh_app_setting_set --app=$app --key=datadir --value=$datadir
 fi
 
 # Cleaning legacy permissions
@@ -54,21 +69,6 @@ if ynh_legacy_permissions_exists; then
 	ynh_app_setting_delete --app=$app --key=is_public
 fi
 
-#=================================================
-# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
-#=================================================
-ynh_script_progression --message="Backing up $app before upgrading (may take a while)..."
-
-# Backup the current version of the app
-ynh_backup_before_upgrade
-ynh_clean_setup () {
-	ynh_clean_check_starting
-	# restore it if the upgrade fails
-	ynh_restore_upgradebackup
-}
-# Exit if an error occurs during the execution of the script
-ynh_abort_if_errors
-
 #=================================================
 # STANDARD UPGRADE STEPS
 #=================================================
@@ -100,6 +100,11 @@ then
 	ynh_setup_source --dest_dir="$final_path"
 fi
 
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
+chown -R $app:www-data $datadir
+
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
@@ -130,7 +135,7 @@ then
 	ynh_script_progression --message="Upgrading the lounge..."
 	pushd $final_path
 		ynh_use_nodejs
-		yarn install
+		ynh_exec_warn_less NODE_ENV=production yarn install
 		ynh_exec_warn_less NODE_ENV=production yarn build
 	popd
 fi
@@ -152,17 +157,6 @@ ynh_replace_string --match_string="__NODE__" --replace_string="$nodejs_path" --t
 
 ynh_add_systemd_config
 
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# SECURE FILES AND DIRECTORIES
-#=================================================
-ynh_script_progression --message="Securing files and directories..."
-
-# Set permissions on app files
-chown -R $app: $final_path
-chown -R $app: $config_path
-
 #=================================================
 # GENERIC FINALIZATION
 #=================================================