diff --git a/scripts/backup b/scripts/backup
index 6ae5fbc..4ba0b55 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -37,11 +37,6 @@ datadir=$(ynh_app_setting_get --app=$app --key=datadir)
 #=================================================
 ynh_print_info --message="Declaring files to be backed up..."
 
-### N.B. : the following 'ynh_backup' calls are only a *declaration* of what needs
-### to be backuped and not an actual copy of any file. The actual backup that
-### creates and fill the archive with the files happens in the core after this
-### script is called. Hence ynh_backups calls takes basically 0 seconds to run.
-
 #=================================================
 # BACKUP THE APP MAIN DIR
 #=================================================
@@ -60,7 +55,6 @@ ynh_backup --src_path="$datadir" --is_big
 
 ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 
-
 #=================================================
 # SPECIFIC BACKUP
 #=================================================
diff --git a/scripts/change_url b/scripts/change_url
index b286df6..538ca2b 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -28,6 +28,7 @@ ynh_script_progression --message="Loading installation settings..." --weight=1
 
 # Needed for helper "ynh_add_nginx_config"
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+port=$(ynh_app_setting_get --app=$app --key=port)
 
 #=================================================
 # BACKUP BEFORE CHANGE URL THEN ACTIVE TRAP
diff --git a/scripts/install b/scripts/install
index ebcc3d7..f3c785c 100755
--- a/scripts/install
+++ b/scripts/install
@@ -155,7 +155,7 @@ ynh_use_logrotate
 #=================================================
 ynh_script_progression --message="Integrating service in YunoHost..." --weight=2
 
-yunohost service add $app --description="A short description of the app" --log="/var/log/$app/$app.log"
+yunohost service add $app --description="Audiobook server" --log="/var/log/$app/$app.log"
 
 #=================================================
 # START SYSTEMD SERVICE
@@ -176,9 +176,6 @@ then
 	ynh_permission_update --permission="main" --add="visitors"
 fi
 
-# Everyone can access the API part
-# We don't want to display the tile in the SSO so we put --show_tile="false"
-# And we don't want the YunoHost admin to be able to remove visitors group to this permission, so we put --protected="true"
 ynh_permission_create --permission="api" --url="/api" --allowed="visitors" --show_tile="false" --protected="true"
 
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index a2cdfbc..cc972cb 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -84,6 +84,7 @@ ynh_script_progression --message="Removing dependencies..." --weight=4
 
 # Remove metapackage and its dependencies
 ynh_remove_app_dependencies
+
 # Remove NodeJS
 ynh_remove_nodejs
 
diff --git a/scripts/restore b/scripts/restore
index ba1691e..eaeee5d 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -24,7 +24,7 @@ ynh_abort_if_errors
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_script_progression --message="Loading installation settings..." --time --weight=1
+ynh_script_progression --message="Loading installation settings..." --weight=1
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -36,7 +36,7 @@ datadir=$(ynh_app_setting_get --app=$app --key=datadir)
 #=================================================
 # CHECK IF THE APP CAN BE RESTORED
 #=================================================
-ynh_script_progression --message="Validating restoration parameters..." --time --weight=1
+ynh_script_progression --message="Validating restoration parameters..." --weight=1
 
 test ! -d $final_path \
 	|| ynh_die --message="There is already a directory: $final_path "
@@ -46,14 +46,14 @@ test ! -d $final_path \
 #=================================================
 # RESTORE THE NGINX CONFIGURATION
 #=================================================
-ynh_script_progression --message="Restoring the NGINX web server configuration..." --time --weight=1
+ynh_script_progression --message="Restoring the NGINX web server configuration..." --weight=1
 
 ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 
 #=================================================
 # RECREATE THE DEDICATED USER
 #=================================================
-ynh_script_progression --message="Recreating the dedicated system user..." --time --weight=1
+ynh_script_progression --message="Recreating the dedicated system user..." --weight=1
 
 # Create the dedicated user (if not existing)
 ynh_system_user_create --username=$app --home_dir="$final_path"
@@ -61,7 +61,7 @@ ynh_system_user_create --username=$app --home_dir="$final_path"
 #=================================================
 # RESTORE THE APP MAIN DIR
 #=================================================
-ynh_script_progression --message="Restoring the app main directory..." --time --weight=1
+ynh_script_progression --message="Restoring the app main directory..." --weight=3
 
 ynh_restore_file --origin_path="$final_path"
 
@@ -72,7 +72,7 @@ chown -R $app:www-data "$final_path"
 #=================================================
 # RESTORE THE DATA DIRECTORY
 #=================================================
-ynh_script_progression --message="Restoring the data directory..." --time --weight=1
+ynh_script_progression --message="Restoring the data directory..." --weight=1
 
 ynh_restore_file --origin_path="$datadir" --not_mandatory
 
@@ -87,7 +87,7 @@ chown -R $app:www-data "$datadir"
 #=================================================
 # REINSTALL DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Reinstalling dependencies..." --time --weight=1
+ynh_script_progression --message="Reinstalling dependencies..." --weight=10
 
 # Define and install dependencies
 ynh_install_app_dependencies $pkg_dependencies
@@ -97,7 +97,7 @@ ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
 #=================================================
 # RESTORE SYSTEMD
 #=================================================
-ynh_script_progression --message="Restoring the systemd configuration..." --time --weight=1
+ynh_script_progression --message="Restoring the systemd configuration..." --weight=1
 
 ynh_restore_file --origin_path="/etc/systemd/system/$app.service"
 systemctl enable $app.service --quiet
@@ -105,30 +105,30 @@ systemctl enable $app.service --quiet
 #=================================================
 # RESTORE THE LOGROTATE CONFIGURATION
 #=================================================
-ynh_script_progression --message="Restoring the logrotate configuration..." --time --weight=1
+ynh_script_progression --message="Restoring the logrotate configuration..." --weight=1
 
 ynh_restore_file --origin_path="/etc/logrotate.d/$app"
 
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
 #=================================================
-ynh_script_progression --message="Integrating service in YunoHost..." --time --weight=1
+ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
 
-yunohost service add $app --description="A short description of the app" --log="/var/log/$app/$app.log"
+yunohost service add $app --description="Audiobook server" --log="/var/log/$app/$app.log"
 
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Starting a systemd service..." --time --weight=1
+ynh_script_progression --message="Starting a systemd service..." --weight=1
 
-ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
+ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log" --timeout="120"
 
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
 # RELOAD NGINX
 #=================================================
-ynh_script_progression --message="Reloading NGINX web server" --time --weight=1
+ynh_script_progression --message="Reloading NGINX web server" --weight=1
 
 ynh_systemd_action --service_name=nginx --action=reload
 
@@ -136,4 +136,4 @@ ynh_systemd_action --service_name=nginx --action=reload
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Restoration completed for $app" --time --last
+ynh_script_progression --message="Restoration completed for $app" --last
diff --git a/scripts/upgrade b/scripts/upgrade
index c5c2fc8..5e6fba2 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -12,13 +12,14 @@ source /usr/share/yunohost/helpers
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_script_progression --message="Loading installation settings..." --time --weight=1
+ynh_script_progression --message="Loading installation settings..." --weight=1
 
 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)
+port=$(ynh_app_setting_get --app=$app --key=port)
 
 #=================================================
 # CHECK VERSION
@@ -29,7 +30,7 @@ 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)..." --time --weight=1
+ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=1
 
 # Backup the current version of the app
 ynh_backup_before_upgrade
@@ -45,14 +46,14 @@ ynh_abort_if_errors
 #=================================================
 # STOP SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Stopping a systemd service..." --time --weight=1
+ynh_script_progression --message="Stopping a systemd service..." --weight=1
 
 ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"
 
 #=================================================
 # CREATE DEDICATED USER
 #=================================================
-ynh_script_progression --message="Making sure dedicated system user exists..." --time --weight=1
+ynh_script_progression --message="Making sure dedicated system user exists..." --weight=1
 
 # Create a dedicated user (if not existing)
 ynh_system_user_create --username=$app --home_dir="$final_path"
@@ -63,7 +64,7 @@ ynh_system_user_create --username=$app --home_dir="$final_path"
 
 if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
-	ynh_script_progression --message="Upgrading source files..." --time --weight=1
+	ynh_script_progression --message="Upgrading source files..." --weight=3
 
 	# Download, check integrity, uncompress and patch the source from app.src
 	ynh_setup_source --dest_dir="$final_path" --keep="$final_path/dev.js"
@@ -76,7 +77,7 @@ chown -R $app:www-data "$final_path"
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
-ynh_script_progression --message="Upgrading NGINX web server configuration..." --time --weight=1
+ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=2
 
 # Create a dedicated NGINX config
 ynh_add_nginx_config
@@ -84,7 +85,7 @@ ynh_add_nginx_config
 #=================================================
 # UPGRADE DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Upgrading dependencies..." --time --weight=1
+ynh_script_progression --message="Upgrading dependencies..." --weight=10
 
 ynh_install_app_dependencies $pkg_dependencies
 
@@ -93,6 +94,7 @@ ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
 #=================================================
 # Node Stuff
 #=================================================
+ynh_script_progression --message="Upgrading Audiobookshelf..." --weight=10
 
 pushd $final_path
  	ynh_use_nodejs
@@ -102,7 +104,7 @@ popd
 #=================================================
 # SETUP SYSTEMD
 #=================================================
-ynh_script_progression --message="Upgrading systemd configuration..." --time --weight=1
+ynh_script_progression --message="Upgrading systemd configuration..." --weight=1
 
 # Create a dedicated systemd config
 ynh_add_systemd_config
@@ -112,7 +114,7 @@ ynh_add_systemd_config
 #=================================================
 # SETUP LOGROTATE
 #=================================================
-ynh_script_progression --message="Upgrading logrotate configuration..." --time --weight=1
+ynh_script_progression --message="Upgrading logrotate configuration..." --weight=1
 
 # Use logrotate to manage app-specific logfile(s)
 ynh_use_logrotate --non-append
@@ -120,21 +122,21 @@ ynh_use_logrotate --non-append
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
 #=================================================
-ynh_script_progression --message="Integrating service in YunoHost..." --time --weight=1
+ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
 
-yunohost service add $app --description="A short description of the app" --log="/var/log/$app/$app.log"
+yunohost service add $app --description="Audiobook server" --log="/var/log/$app/$app.log"
 
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Starting a systemd service..." --time --weight=3
+ynh_script_progression --message="Starting a systemd service..." --weight=3
 
 ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log" --timeout="120"
 
 #=================================================
 # RELOAD NGINX
 #=================================================
-ynh_script_progression --message="Reloading NGINX web server..." --time --weight=1
+ynh_script_progression --message="Reloading NGINX web server..." --weight=1
 
 ynh_systemd_action --service_name=nginx --action=reload
 
@@ -142,4 +144,4 @@ ynh_systemd_action --service_name=nginx --action=reload
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Upgrade of $app completed" --time --last
+ynh_script_progression --message="Upgrade of $app completed" --last