diff --git a/scripts/backup b/scripts/backup
index 23ec0fb..0739247 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -24,7 +24,6 @@ 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)
-db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 
 #=================================================
 # DECLARE DATA AND CONF FILES TO BACKUP
diff --git a/scripts/install b/scripts/install
index 218194c..1138c8a 100644
--- a/scripts/install
+++ b/scripts/install
@@ -80,16 +80,6 @@ ynh_script_progression --message="Configuring system user..."
 # Create a system user
 ynh_system_user_create --username=$app --home_dir="$final_path"
 
-#=================================================
-# CREATE A MYSQL DATABASE
-#=================================================
-# ynh_script_progression --message="Creating a MySQL database..."
-
-# db_name=$(ynh_sanitize_dbid --db_name=$app)
-# db_user=$db_name
-# ynh_app_setting_set --app=$app --key=db_name --value=$db_name
-# ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name
-
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
@@ -102,21 +92,6 @@ ynh_setup_source --dest_dir=$final_path
 chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
 chown -R $app:www-data "$final_path"
-#chmod -R +x "$final_path/bin"
-
-#=================================================
-# CREATE DATA DIRECTORY
-#=================================================
-ynh_script_progression --message="Creating a data directory..." --weight=1
-
-datadir=/home/yunohost.app/$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"
 
 #=================================================
 # NGINX CONFIGURATION
@@ -146,7 +121,7 @@ ynh_script_progression --message="Installing TimeOff..."
 
 pushd $final_path
 	ynh_use_nodejs
- 	ynh_exec_as $app env $ynh_node_load_PATH $ynh_npm install
+ 	ynh_exec_as $app env $ynh_node_load_PATH $ynh_npm install 2>/dev/null
 popd
 
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index 0402dd3..60b9e7a 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -41,14 +41,6 @@ ynh_script_progression --message="Stopping and removing the systemd service..."
 # Remove the dedicated systemd config
 ynh_remove_systemd_config
 
-#=================================================
-# REMOVE THE MYSQL DATABASE
-#=================================================
-# ynh_script_progression --message="Removing the MySQL database..."
-
-# # Remove a database if it exists, along with the associated user
-# ynh_mysql_remove_db --db_user=$db_user --db_name=$db_name
-
 #=================================================
 # REMOVE DEPENDENCIES
 #=================================================
@@ -84,8 +76,9 @@ ynh_remove_nginx_config
 #=================================================
 # REMOVE THE LOGROTATE CONFIG
 #=================================================
+ynh_script_progression --message="Removing logrotate configuration..."
 
-ynh_remove_logrotate	# Remove the app-specific logrotate config
+ynh_remove_logrotate
 
 #=================================================
 # GENERIC FINALIZATION
diff --git a/scripts/restore b/scripts/restore
index d137a15..0867223 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -26,8 +26,6 @@ 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=$app --key=final_path)
-db_name=$(ynh_app_setting_get --app=$app --key=db_name)
-db_user=$db_name
 
 #=================================================
 # CHECK IF THE APP CAN BE RESTORED
@@ -74,31 +72,6 @@ ynh_script_progression --message="Reinstalling dependencies..."
 # Install Nodejs
 ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
 
-#=================================================
-# SPECIFIC RESTORE
-#=================================================
-# HANDLE LOG FILES AND LOGROTATE
-#=================================================
-
-mkdir -p /var/log/$app
-touch /var/log/$app/timeoff.log
-install_log=/var/log/$app/installation.log
-touch $install_log
-chown $app -R /var/log/$app
-chown admin -R $install_log
-
-# Restore logrotate configuration
-ynh_restore_file "/etc/logrotate.d/$app"
-
-#=================================================
-# RESTORE THE MYSQL DATABASE
-#=================================================
-ynh_script_progression --message="Restoring the MySQL database..."
-
-db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
-ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
-ynh_mysql_connect_as --user=$db_user --password=$db_pwd --database=$db_name < ./db.sql
-
 #=================================================
 # RESTORE SYSTEMD
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 18adf03..ae9ed1e 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -21,7 +21,6 @@ path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 port=$(ynh_app_setting_get --app=$app --key=port)
 language=$(ynh_app_setting_get --app=$app --key=language)
-db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 
 #=================================================
 # CHECK VERSION
@@ -80,7 +79,7 @@ then
 	ynh_script_progression --message="Upgrading source files..."
 
 	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$final_path" --feep="$final_path/config/app.json $final_path/config/db.json"
+	ynh_setup_source --dest_dir="$final_path" --keep="$final_path/config/app.json $final_path/config/db.json"
 fi
 
 chmod 750 "$final_path"
@@ -109,27 +108,24 @@ ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
 
 if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
-	ynh_script_progression --message="Upgrading the lounge..."
+	ynh_script_progression --message="Upgrading the TimeOff..."
+
 	pushd $final_path
 		ynh_use_nodejs
-		ynh_exec_warn_less $ynh_npm cache clean
-		ynh_exec_warn_less $ynh_npm update
+	 	ynh_exec_as $app env $ynh_node_load_PATH $ynh_npm install 2>/dev/null
+	 	ynh_exec_as $app env $ynh_node_load_PATH $ynh_npm run-script db-update 2>/dev/null
 	popd
 fi
 
+
+
 #=================================================
 # CONFIGURE
 #=================================================
-ynh_script_progression --message="Modifying a config file..."
+# ynh_script_progression --message="Modifying a config file..."
 
-ynh_add_config --template="../conf/app.json" --destination="$final_path/config/app.json"
-ynh_add_config --template="../conf/db.json" --destination="$final_path/config/db.json"
-
-#=================================================
-# SETUP LOGROTATE
-#=================================================
-
-ynh_use_logrotate --non-append
+# ynh_add_config --template="../conf/app.json" --destination="$final_path/config/app.json"
+# ynh_add_config --template="../conf/db.json" --destination="$final_path/config/db.json"
 
 #=================================================
 # SETUP SYSTEMD
@@ -146,7 +142,7 @@ ynh_add_systemd_config
 #=================================================
 ynh_script_progression --message="Integrating service in YunoHost..."
 
-yunohost service add $app --description="Client Web IRC" --log="/var/log/$app/$app.log"
+yunohost service add $app --description="Manage employee absences" --log="/var/log/$app/$app.log"
 
 #=================================================
 # START SYSTEMD SERVICE