diff --git a/conf/config.json b/conf/config.json
index cfc7162..392a834 100644
--- a/conf/config.json
+++ b/conf/config.json
@@ -1,23 +1,10 @@
 {
-	// IRC server settings.
 	"server": {
-		// WebSocket URL or path to connect to (string).
 		"url": "/?server=/webirc/websocket/",
-		// Channel(s) to auto-join (string or array of strings).
 		"autojoin": "#yunohost",
-		// Controls how the password UI is presented to the user. Set to
-		// "mandatory" to require a password, "optional" to accept one but not
-		// require it, "disabled" to never ask for a password, or "external" to
-		// use SASL EXTERNAL. Defaults to "optional".
 		"auth": "optional",
-		// Default nickname (string).
 		"nick": "asdf",
-		// Don't display the login UI, immediately connect to the server
-		// (boolean).
 		"autoconnect": true,
-		// Interval in seconds to send PING commands (number). Set to 0 to
-		// disable. Enabling PINGs can have an impact on client power usage and
-		// should only be enabled if necessary.
 		"ping": 60
 	}
 }
\ No newline at end of file
diff --git a/manifest.toml b/manifest.toml
index 52c1172..5360338 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -19,8 +19,11 @@ code = "https://sr.ht/~emersion/gamja/"
 yunohost = ">= 11.2"
 architectures = "all"
 multi_instance = true
+
 ldap = false
+
 sso = true
+
 disk = "50M"
 ram.build = "50M"
 ram.runtime = "50M"
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 9ecc68b..80c93db 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,8 +4,8 @@
 # COMMON VARIABLES
 #=================================================
 
-# dependencies used by the app
 nodejs_version=20
+
 go_version=1.20
 
 #=================================================
diff --git a/scripts/backup b/scripts/backup
index 0ae9c52..6d2e59e 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -27,16 +27,8 @@ ynh_backup --src_path="$install_dir"
 
 ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 
-#=================================================
-# BACKUP SYSTEMD
-#=================================================
-
 ynh_backup --src_path="/etc/systemd/system/$app.service"
 
-#=================================================
-# BACKUP VARIOUS FILES
-#=================================================
-
 ynh_backup --src_path="$webircgateway_path"
 
 #=================================================
diff --git a/scripts/change_url b/scripts/change_url
index 2c672a1..bac16b2 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -14,14 +14,14 @@ source /usr/share/yunohost/helpers
 #=================================================
 # 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="systemd"
 
 #=================================================
 # MODIFY URL IN NGINX CONF
 #=================================================
-ynh_script_progression --message="Updating NGINX web server configuration..." --time --weight=1
+ynh_script_progression --message="Updating NGINX web server configuration..." --weight=1
 
 ynh_change_url_nginx_config
 
@@ -30,7 +30,7 @@ ynh_change_url_nginx_config
 #=================================================
 # 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="systemd" --line_match="Using config"
 
@@ -38,4 +38,4 @@ ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" --l
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Change of URL completed for $app" --time --last
+ynh_script_progression --message="Change of URL completed for $app" --last
diff --git a/scripts/install b/scripts/install
index 67b0427..91f8b3a 100755
--- a/scripts/install
+++ b/scripts/install
@@ -13,7 +13,7 @@ source /usr/share/yunohost/helpers
 #=================================================
 # INSTALL DEPENDENCIES
 #=================================================
-#REMOVEME? ynh_script_progression --message="Installing dependencies..." --weight=7
+ynh_script_progression --message="Installing dependencies..." --weight=7
 
 ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
 ynh_exec_warn_less ynh_install_go --go_version=$go_version
@@ -23,7 +23,6 @@ ynh_exec_warn_less ynh_install_go --go_version=$go_version
 #=================================================
 ynh_script_progression --message="Setting up source files..." --weight=5
 
-# Download, check integrity, uncompress and patch the source from app.src
 ynh_setup_source --dest_dir="$install_dir"
 
 chmod -R o-rwx "$install_dir"
@@ -46,8 +45,8 @@ ynh_script_progression --message="Building app... (this will take some time and
 
 pushd "$install_dir"
 	ynh_use_nodejs
-	ynh_exec_warn_less npm i -g npm
-	ynh_exec_warn_less npm install --production
+	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH $ynh_npm i -g npm
+	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH $ynh_npm install --production
 popd
 
 #=================================================
@@ -55,7 +54,7 @@ popd
 #=================================================
 ynh_script_progression --message="Adding a configuration file..." --weight=2
 
-ynh_add_config --template="../conf/config.json" --destination="$install_dir/config.json"
+ynh_add_config --template="config.json" --destination="$install_dir/config.json"
 
 chmod 744 "$install_dir/config.json"
 chown $app:www-data "$install_dir/config.json"
@@ -108,7 +107,7 @@ ynh_add_systemd_config
 #=================================================
 ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
 
-yunohost service add $app --description="Simple IRC web client"
+yunohost service add $app --description="Simple IRC web client" --log="/var/log/$app/$app.log"
 
 #=================================================
 # START SYSTEMD SERVICE
diff --git a/scripts/remove b/scripts/remove
index 187ea4e..65033e5 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -22,37 +22,12 @@ then
 	yunohost service remove $app
 fi
 
-#=================================================
-# STOP AND REMOVE SERVICE
-#=================================================
-ynh_script_progression --message="Stopping and removing the systemd service..." --weight=1
-
-# Remove the dedicated systemd config
 ynh_remove_systemd_config
 
-#=================================================
-# REMOVE NGINX CONFIGURATION
-#=================================================
-ynh_script_progression --message="Removing NGINX web server configuration..." --weight=1
-
-# Remove the dedicated NGINX config
 ynh_remove_nginx_config
 
-#=================================================
-# REMOVE DEPENDENCIES
-#=================================================
-ynh_script_progression --message="Removing dependencies..." --weight=1
-
-# Remove metapackage and its dependencies
 ynh_remove_nodejs
 
-#=================================================
-# SPECIFIC REMOVE
-#=================================================
-# REMOVE VARIOUS FILES
-#=================================================
-ynh_script_progression --message="Removing various files..."
-
 ynh_secure_remove --file="$webircgateway_path"
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 7c563e0..7ebdba1 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -23,7 +23,7 @@ chown -R $app:www-data "$install_dir"
 #=================================================
 # REINSTALL DEPENDENCIES
 #=================================================
-#REMOVEME? ynh_script_progression --message="Reinstalling dependencies..." --weight=7
+ynh_script_progression --message="Reinstalling dependencies..." --weight=7
 
 ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
 
@@ -34,27 +34,12 @@ ynh_script_progression --message="Restoring the NGINX web server configuration..
 
 ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 
-#=================================================
-# RESTORE VARIOUS FILES
-#=================================================
-ynh_script_progression --message="Restoring various files..."
-
 ynh_restore_file --origin_path="$webircgateway_path"
 
-#=================================================
-# RESTORE SYSTEMD
-#=================================================
-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
 
-#=================================================
-# INTEGRATE SERVICE IN YUNOHOST
-#=================================================
-ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
-
-yunohost service add $app --description="Simple IRC web client"
+yunohost service add $app --description="Simple IRC web client" --log="/var/log/$app/$app.log"
 
 #=================================================
 # START SYSTEMD SERVICE
@@ -63,13 +48,6 @@ ynh_script_progression --message="Starting a systemd service..." --weight=1
 
 ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" --line_match="Using config"
 
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# RELOAD NGINX AND PHP-FPM
-#=================================================
-ynh_script_progression --message="Reloading NGINX web server.." --weight=1
-
 ynh_systemd_action --service_name=nginx --action=reload
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index b34e21c..65726c8 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -28,6 +28,7 @@ ynh_systemd_action --service_name=$app --action="stop" --log_path="systemd"
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
+ynh_script_progression --message="Upgrading source files..." --weight=3
 
 if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
@@ -65,8 +66,8 @@ ynh_script_progression --message="Building app... (this will take some time and
 
 pushd "$install_dir"
 	ynh_use_nodejs
-	ynh_exec_warn_less npm i -g npm
-	ynh_exec_warn_less npm install --production
+	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH $ynh_npm i -g npm
+	ynh_exec_warn_less sudo -u $app env $ynh_node_load_PATH $ynh_npm install --production
 popd
 
 #=================================================
@@ -74,7 +75,7 @@ popd
 #=================================================
 ynh_script_progression --message="Updating a configuration file..." --weight=1
 
-ynh_add_config --template="../conf/config.json" --destination="$install_dir/config.json"
+ynh_add_config --template="config.json" --destination="$install_dir/config.json"
 
 chmod 744 "$install_dir/config.json"
 chown $app:www-data "$install_dir/config.json"
@@ -105,7 +106,7 @@ chmod -R o-rwx "$webircgateway_path"
 chown -R $app:www-data "$webircgateway_path"
 chmod +x "$webircgateway_path/webircgateway"
 
-ynh_add_config --template="../conf/config.conf" --destination="$webircgateway_path/config.conf"
+ynh_add_config --template="config.conf" --destination="$webircgateway_path/config.conf"
 
 chmod 755 "$webircgateway_path/config.conf"
 chown $app:www-data "$webircgateway_path/config.conf"
@@ -125,7 +126,7 @@ ynh_add_systemd_config
 #=================================================
 ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
 
-yunohost service add $app --description="Simple IRC web client"
+yunohost service add $app --description="Simple IRC web client" --log="/var/log/$app/$app.log"
 
 #=================================================
 # START SYSTEMD SERVICE