diff --git a/.github/workflows/updater.sh b/.github/workflows/updater.sh
new file mode 100755
index 0000000..2422a5e
--- /dev/null
+++ b/.github/workflows/updater.sh
@@ -0,0 +1,136 @@
+#!/bin/bash
+
+#=================================================
+# PACKAGE UPDATING HELPER
+#=================================================
+
+# This script is meant to be run by GitHub Actions
+# The YunoHost-Apps organisation offers a template Action to run this script periodically
+# Since each app is different, maintainers can adapt its contents so as to perform
+# automatic actions when a new upstream release is detected.
+
+# Remove this exit command when you are ready to run this Action
+#exit 1
+
+#=================================================
+# FETCHING LATEST RELEASE AND ITS ASSETS
+#=================================================
+
+# Fetching information
+current_version=$(cat manifest.json | jq -j '.version|split("~")[0]')
+repo=$(cat manifest.json | jq -j '.upstream.code|split("https://github.com/")[1]')
+# Some jq magic is needed, because the latest upstream release is not always the latest version (e.g. security patches for older versions)
+version=$(curl --silent "https://api.github.com/repos/$repo/releases" | jq -r '.[] | select( .prerelease != true ) | .tag_name' | sort -V | tail -1)
+assets=($(curl --silent "https://api.github.com/repos/$repo/releases" | jq -r '[ .[] | select(.tag_name=="'$version'").assets[].browser_download_url ] | join(" ") | @sh' | tr -d "'"))
+
+# Later down the script, we assume the version has only digits and dots
+# Sometimes the release name starts with a "v", so let's filter it out.
+# You may need more tweaks here if the upstream repository has different naming conventions. 
+if [[ ${version:0:1} == "v" || ${version:0:1} == "V" ]]; then
+    version=${version:1}
+fi
+
+# Setting up the environment variables
+echo "Current version: $current_version"
+echo "Latest release from upstream: $version"
+echo "VERSION=$version" >> $GITHUB_ENV
+# For the time being, let's assume the script will fail
+echo "PROCEED=false" >> $GITHUB_ENV
+
+# Proceed only if the retrieved version is greater than the current one
+if ! dpkg --compare-versions "$current_version" "lt" "$version" ; then
+    echo "::warning ::No new version available"
+    exit 0
+# Proceed only if a PR for this new version does not already exist
+elif git ls-remote -q --exit-code --heads https://github.com/$GITHUB_REPOSITORY.git ci-auto-update-v$version ; then
+    echo "::warning ::A branch already exists for this update"
+    exit 0
+fi
+
+# Each release can hold multiple assets (e.g. binaries for different architectures, source code, etc.)
+echo "${#assets[@]} available asset(s)"
+
+#=================================================
+# UPDATE SOURCE FILES
+#=================================================
+
+# Here we use the $assets variable to get the resources published in the upstream release.
+# Here is an example for Grav, it has to be adapted in accordance with how the upstream releases look like.
+
+# Let's loop over the array of assets URLs
+for asset_url in ${assets[@]}; do
+
+echo "Handling asset at $asset_url"
+
+# Assign the asset to a source file in conf/ directory
+# Here we base the source file name upon a unique keyword in the assets url (admin vs. update)
+# Leave $src empty to ignore the asset
+case $asset_url in
+  *"admin"*)
+    src="app"
+    ;;
+  *"update"*)
+    src="app-upgrade"
+    ;;
+  *)
+    src=""
+    ;;
+esac
+
+# If $src is not empty, let's process the asset
+if [ ! -z "$src" ]; then
+
+# Create the temporary directory
+tempdir="$(mktemp -d)"
+
+# Download sources and calculate checksum
+filename=${asset_url##*/}
+curl --silent -4 -L $asset_url -o "$tempdir/$filename"
+checksum=$(sha256sum "$tempdir/$filename" | head -c 64)
+
+# Delete temporary directory
+rm -rf $tempdir
+
+# Get extension
+if [[ $filename == *.tar.gz ]]; then
+  extension=tar.gz
+else
+  extension=${filename##*.}
+fi
+
+# Rewrite source file
+cat <<EOT > conf/$src.src
+SOURCE_URL=$asset_url
+SOURCE_SUM=$checksum
+SOURCE_SUM_PRG=sha256sum
+SOURCE_FORMAT=$extension
+SOURCE_IN_SUBDIR=true
+SOURCE_FILENAME=
+EOT
+echo "... conf/$src.src updated"
+
+else
+echo "... asset ignored"
+fi
+
+done
+
+#=================================================
+# SPECIFIC UPDATE STEPS
+#=================================================
+
+# Any action on the app's source code can be done.
+# The GitHub Action workflow takes care of committing all changes after this script ends.
+
+#=================================================
+# GENERIC FINALIZATION
+#=================================================
+
+# Replace new version in manifest
+echo "$(jq -s --indent 4 ".[] | .version = \"$version~ynh1\"" manifest.json)" > manifest.json
+
+# No need to update the README, yunohost-bot takes care of it
+
+# The Action will proceed only if the PROCEED environment variable is set to true
+echo "PROCEED=true" >> $GITHUB_ENV
+exit 0
diff --git a/README.md b/README.md
index 34b1045..99ac663 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,19 @@ The Mumble protocol uses TCP for control and UDP for voice. Running in a browser
 
 ![Screenshot of Mumble Web](./doc/screenshots/screenshot.png)
 
+## Disclaimers / important information
+
+## Setup
+
+- In order to use *Mumble web*, you need to install [Mumble server](https://github.com/YunoHost-Apps/mumbleserver_ynh) first.
+- This installation assumes that *Mumble server* is served by port `64738`
+- Various configuration options are available for Mumble web on this configuration file `/var/www/mumble-web/dist/config.local.js`
+
+## Documentation
+
+- Murmur documentation: https://wiki.mumble.info/wiki/Murmurguide
+- Framasoft documentation: https://docs.framasoft.org/fr/jitsimeet/mumble.html
+
 ## Documentation and resources
 
 * Official app website: <https://mumble.info>
diff --git a/README_fr.md b/README_fr.md
index 415e3d6..9182d65 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -27,6 +27,19 @@ Le protocole Mumble utilise TCP pour le contrôle et UDP pour la voix. Fonctionn
 
 ![Capture d’écran de Mumble Web](./doc/screenshots/screenshot.png)
 
+## Avertissements / informations importantes
+
+## Configuration
+
+- Pour utiliser *Mumble web*, vous devez d'abord installer le [server Mumble](https://github.com/YunoHost-Apps/mumbleserver_ynh). 
+- Cette installation suppose que le serveur Mumble est servi par le port `64738`
+- Diverses options de configuration sont disponibles pour *Mumble web* sur ce fichier de configuration `/var/www/mumble-web/dist/config.local.js` 
+
+## Documentation
+
+- Documentation Murmur : https://wiki.mumble.info/wiki/Murmurguide
+- Documentation Framasoft : https://docs.framasoft.org/fr/jitsimeet/mumble.html
+
 ## Documentations et ressources
 
 * Site officiel de l’app : <https://mumble.info>
diff --git a/check_process b/check_process
new file mode 100644
index 0000000..a598357
--- /dev/null
+++ b/check_process
@@ -0,0 +1,22 @@
+;; Test complet
+	; Manifest
+		domain="domain.tld"
+		path="/path"
+		is_public=1
+	; Checks
+		pkg_linter=1
+		setup_sub_dir=0
+		setup_root=1
+		setup_nourl=0
+		setup_private=1
+		setup_public=1
+		upgrade=1
+		backup_restore=1
+		multi_instance=1
+		change_url=1
+;;; Options
+Email=
+Notification=none
+;;; Upgrade options
+	; commit=
+		name=
diff --git a/conf/app.src b/conf/app.src
new file mode 100644
index 0000000..f91a691
--- /dev/null
+++ b/conf/app.src
@@ -0,0 +1,5 @@
+SOURCE_URL=https://github.com/Johni0702/mumble-web/archive/4ef594c8a097d180700d22d91e9a7fea3bab08ac.tar.gz
+SOURCE_SUM=27ced80fc7a3035af531226658903ecd8a18881e045ebb5684d0a503ef67fb1d
+SOURCE_SUM_PRG=sha256sum
+ARCH_FORMAT=tar.gz
+SOURCE_IN_SUBDIR=true
diff --git a/conf/nginx.conf b/conf/nginx.conf
index d0497cf..b4e82f8 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,18 +1,18 @@
 location ^~ / {
 
-    proxy_pass        http://127.0.0.1:__PORT__/;
-    proxy_redirect    off;
-    proxy_set_header  Host $host;
-    proxy_set_header  X-Real-IP $remote_addr;
-    proxy_set_header  X-Forwarded-Proto $scheme;
-    proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
-    proxy_set_header  X-Forwarded-Host $server_name;
+  proxy_pass        http://127.0.0.1:__PORT__/;
+  proxy_redirect    off;
+  proxy_set_header  Host $host;
+  proxy_set_header  X-Real-IP $remote_addr;
+  proxy_set_header  X-Forwarded-Proto $scheme;
+  proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
+  proxy_set_header  X-Forwarded-Host $server_name;
 
-    proxy_http_version 1.1;
-    proxy_set_header Connection "upgrade";
-    proxy_set_header Upgrade $http_upgrade;
+  proxy_http_version 1.1;
+  proxy_set_header Connection "upgrade";
+  proxy_set_header Upgrade $http_upgrade;
 
-    # Include SSOWAT user panel.
-    include conf.d/yunohost_panel.conf.inc;
-    more_clear_input_headers 'Accept-Encoding';
+  # Include SSOWAT user panel.
+  include conf.d/yunohost_panel.conf.inc;
+  more_clear_input_headers 'Accept-Encoding';
 }
diff --git a/conf/systemd.service b/conf/systemd.service
index 2d16b83..df7f518 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -7,12 +7,12 @@ After=network.target #mumbleserver.service
 [Service]
 Type=simple
 User=__APP__
-Environment="__YNH_NODE_LOAD_PATH__"
+Environment="PATH=__ENV_PATH__"
 Environment=NODE_ENV=production
-ExecStart=/usr/bin/websockify --web=__INSTALL_DIR__/dist/ --ssl-target 127.0.0.1:__PORT__ 127.0.0.1:64738
+ExecStart=/usr/bin/websockify --web=__FINALPATH__/dist/ --ssl-target 127.0.0.1:__PORT__ 127.0.0.1:64738
 
 # Sandboxing options to harden security
-# Depending on specificities of your service/app, you may need to tweak these
+# Depending on specificities of your service/app, you may need to tweak these 
 # .. but this should be a good baseline
 # Details for these options: https://www.freedesktop.org/software/systemd/man/systemd.exec.html
 NoNewPrivileges=yes
@@ -39,7 +39,7 @@ CapabilityBoundingSet=~CAP_BLOCK_SUSPEND CAP_WAKE_ALARM
 CapabilityBoundingSet=~CAP_SYS_TTY_CONFIG
 CapabilityBoundingSet=~CAP_MAC_ADMIN CAP_MAC_OVERRIDE
 CapabilityBoundingSet=~CAP_NET_ADMIN CAP_NET_BROADCAST CAP_NET_RAW
-CapabilityBoundingSet=~CAP_SYS_ADMIN CAP_SYS_PTRACE CAP_SYSLOG
+CapabilityBoundingSet=~CAP_SYS_ADMIN CAP_SYS_PTRACE CAP_SYSLOG 
 
 [Install]
 WantedBy=multi-user.target
diff --git a/doc/ADMIN.md b/doc/ADMIN.md
deleted file mode 100644
index 2a397d2..0000000
--- a/doc/ADMIN.md
+++ /dev/null
@@ -1,6 +0,0 @@
-
-Various configuration options are available for Mumble web on this configuration file `__INSTALL_DIR__/dist/config.local.js`
-
-Here are online documentations:
-- Murmur documentation: <https://wiki.mumble.info/wiki/Murmurguide>
-- Framasoft documentation: <https://docs.framasoft.org/fr/jitsimeet/mumble.html>
diff --git a/doc/ADMIN_fr.md b/doc/ADMIN_fr.md
deleted file mode 100644
index 5b1b82e..0000000
--- a/doc/ADMIN_fr.md
+++ /dev/null
@@ -1,5 +0,0 @@
-Diverses options de configuration sont disponibles pour *Mumble web* sur ce fichier de configuration `__INSTALL_DIR__/dist/config.local.js` 
-
-Voici de la documentation en ligne :
-- Documentation Murmur : <https://wiki.mumble.info/wiki/Murmurguide>
-- Documentation Framasoft : <https://docs.framasoft.org/fr/jitsimeet/mumble.html>
diff --git a/doc/DISCLAIMER.md b/doc/DISCLAIMER.md
new file mode 100644
index 0000000..8553727
--- /dev/null
+++ b/doc/DISCLAIMER.md
@@ -0,0 +1,10 @@
+## Setup
+
+- In order to use *Mumble web*, you need to install [Mumble server](https://github.com/YunoHost-Apps/mumbleserver_ynh) first.
+- This installation assumes that *Mumble server* is served by port `64738`
+- Various configuration options are available for Mumble web on this configuration file `/var/www/mumble-web/dist/config.local.js`
+
+## Documentation
+
+- Murmur documentation: https://wiki.mumble.info/wiki/Murmurguide
+- Framasoft documentation: https://docs.framasoft.org/fr/jitsimeet/mumble.html
diff --git a/doc/DISCLAIMER_fr.md b/doc/DISCLAIMER_fr.md
new file mode 100644
index 0000000..421bf49
--- /dev/null
+++ b/doc/DISCLAIMER_fr.md
@@ -0,0 +1,10 @@
+## Configuration
+
+- Pour utiliser *Mumble web*, vous devez d'abord installer le [server Mumble](https://github.com/YunoHost-Apps/mumbleserver_ynh). 
+- Cette installation suppose que le serveur Mumble est servi par le port `64738`
+- Diverses options de configuration sont disponibles pour *Mumble web* sur ce fichier de configuration `/var/www/mumble-web/dist/config.local.js` 
+
+## Documentation
+
+- Documentation Murmur : https://wiki.mumble.info/wiki/Murmurguide
+- Documentation Framasoft : https://docs.framasoft.org/fr/jitsimeet/mumble.html
diff --git a/doc/PRE_INSTALL.md b/doc/PRE_INSTALL.md
deleted file mode 100644
index 3032223..0000000
--- a/doc/PRE_INSTALL.md
+++ /dev/null
@@ -1,2 +0,0 @@
-- In order to use *Mumble web*, you need to install [Mumble server](https://github.com/YunoHost-Apps/mumbleserver_ynh) first.
-- This installation assumes that *Mumble server* is served by port `64738`
diff --git a/doc/PRE_INSTALL_fr.md b/doc/PRE_INSTALL_fr.md
deleted file mode 100644
index cf4526e..0000000
--- a/doc/PRE_INSTALL_fr.md
+++ /dev/null
@@ -1,2 +0,0 @@
-- Pour utiliser *Mumble web*, vous devez d'abord installer le [server Mumble](https://github.com/YunoHost-Apps/mumbleserver_ynh). 
-- Cette installation suppose que le serveur Mumble est servi par le port `64738`
diff --git a/manifest.json b/manifest.json
new file mode 100644
index 0000000..397b318
--- /dev/null
+++ b/manifest.json
@@ -0,0 +1,43 @@
+{
+    "name": "Mumble Web",
+    "id": "mumble-web",
+    "packaging_format": 1,
+    "description": {
+        "en": "Web interface for voice chat software (VoIP)",
+        "fr": "Interface web pour voix sur IP (VoIP)"
+    },
+    "version": "1.3.0~ynh4",
+    "url": "https://mumble.info",
+    "upstream": {
+        "license": "BSD-3-Clause",
+        "website": "https://mumble.info",
+        "demo": "https://web.mumble.framatalk.org/",
+        "admindoc": "https://docs.framasoft.org/fr/jitsimeet/mumble.html",
+        "code": "https://github.com/Johni0702/mumble-web/"
+    },
+    "license": "BSD-3-Clause",
+    "maintainer": {
+        "name": "eric_G",
+        "email": ""
+    },
+    "requirements": {
+        "yunohost": ">= 11.0.9"
+    },
+    "multi_instance": true,
+    "services": [
+        "nginx"
+    ],
+    "arguments": {
+        "install" : [
+    	   {
+                "name": "domain",
+                "type": "domain"
+    	    },
+            {
+                "name": "is_public",
+                "type": "boolean",
+                "default": true
+            }
+        ]
+    }
+}
diff --git a/manifest.toml b/manifest.toml
deleted file mode 100644
index 7f4d071..0000000
--- a/manifest.toml
+++ /dev/null
@@ -1,60 +0,0 @@
-#:schema https://raw.githubusercontent.com/YunoHost/apps/master/schemas/manifest.v2.schema.json
-
-packaging_format = 2
-
-id = "mumble-web"
-name = "Mumble Web"
-description.en = "Web interface for voice chat software (VoIP)"
-description.fr = "Interface web pour voix sur IP (VoIP)"
-
-version = "1.3.0~ynh4"
-
-maintainers = ["eric_G"]
-
-[upstream]
-license = "BSD-3-Clause"
-website = "https://mumble.info"
-demo = "https://web.mumble.framatalk.org/"
-admindoc = "https://docs.framasoft.org/fr/jitsimeet/mumble.html"
-code = "https://github.com/Johni0702/mumble-web/"
-
-[integration]
-yunohost = ">= 11.2"
-architectures = "all"
-multi_instance = true
-
-ldap = false
-
-sso = false
-
-disk = "50M"
-ram.build = "1500M"
-ram.runtime = "50M"
-
-[install]
-    [install.domain]
-    type = "domain"
-
-    [install.init_main_permission]
-    type = "group"
-    default = "visitors"
-
-[resources]
-    [resources.sources.main]
-    url = "https://github.com/Johni0702/mumble-web/archive/4ef594c8a097d180700d22d91e9a7fea3bab08ac.tar.gz"
-    sha256 = "27ced80fc7a3035af531226658903ecd8a18881e045ebb5684d0a503ef67fb1d"
-    autoupdate.upstream = "https://github.com/Johni0702/mumble-web"
-    autoupdate.strategy = "latest_github_commit"
-
-    [resources.system_user]
-
-    [resources.install_dir]
-
-    [resources.permissions]
-    main.url = "/"
-
-    [resources.ports]
-    main.default = 64737
-
-    [resources.apt]
-    packages = ["websockify"]
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 6825a97..4cee197 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,6 +4,9 @@
 # COMMON VARIABLES
 #=================================================
 
+# dependencies used by the app
+pkg_dependencies="websockify"
+
 # NodeJS version
 nodejs_version="14"
 
diff --git a/scripts/backup b/scripts/backup
index a151df9..b30dde3 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -9,6 +9,22 @@
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
+#=================================================
+# MANAGE SCRIPT FAILURE
+#=================================================
+
+ynh_abort_if_errors
+
+#=================================================
+# LOAD SETTINGS
+#=================================================
+ynh_print_info --message="Loading installation settings..."
+
+app=$YNH_APP_INSTANCE_NAME
+
+domain=$(ynh_app_setting_get --app=$app --key=domain)
+final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+
 #=================================================
 # DECLARE DATA AND CONF FILES TO BACKUP
 #=================================================
@@ -18,7 +34,7 @@ ynh_print_info --message="Declaring files to be backed up..."
 # BACKUP THE APP MAIN DIR
 #=================================================
 
-ynh_backup --src_path="$install_dir"
+ynh_backup --src_path="$final_path"
 
 #=================================================
 # BACKUP THE NGINX CONFIGURATION
diff --git a/scripts/change_url b/scripts/change_url
index d50b2a4..0ff627b 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -9,6 +9,60 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
+#=================================================
+# RETRIEVE ARGUMENTS
+#=================================================
+
+old_domain=$YNH_APP_OLD_DOMAIN
+old_path=$YNH_APP_OLD_PATH
+
+new_domain=$YNH_APP_NEW_DOMAIN
+new_path="/"
+
+app=$YNH_APP_INSTANCE_NAME
+
+#=================================================
+# LOAD SETTINGS
+#=================================================
+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
+#=================================================
+ynh_script_progression --message="Backing up the app before changing its URL (may take a while)..." --weight=1
+
+# Backup the current version of the app
+ynh_backup_before_upgrade
+ynh_clean_setup () {
+	# Remove the new domain config file, the remove script won't do it as it doesn't know yet its location.
+	ynh_secure_remove --file="/etc/nginx/conf.d/$new_domain.d/$app.conf"
+
+	# Restore it if the upgrade fails
+	ynh_restore_upgradebackup
+}
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
+
+#=================================================
+# CHECK WHICH PARTS SHOULD BE CHANGED
+#=================================================
+
+change_domain=0
+if [ "$old_domain" != "$new_domain" ]
+then
+	change_domain=1
+fi
+
+change_path=0
+if [ "$old_path" != "$new_path" ]
+then
+	change_path=1
+fi
+
 #=================================================
 # STANDARD MODIFICATIONS
 #=================================================
@@ -16,21 +70,52 @@ source /usr/share/yunohost/helpers
 #=================================================
 ynh_script_progression --message="Stopping a systemd service..." --weight=1
 
-ynh_systemd_action --service_name="$app" --action="stop" --log_path="systemd"
+ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"
 
 #=================================================
 # MODIFY URL IN NGINX CONF
 #=================================================
 ynh_script_progression --message="Updating NGINX web server configuration..." --weight=1
 
-ynh_change_url_nginx_config
+nginx_conf_path=/etc/nginx/conf.d/$old_domain.d/$app.conf
 
+# Change the path in the NGINX config file
+if [ $change_path -eq 1 ]
+then
+	# Make a backup of the original NGINX config file if modified
+	ynh_backup_if_checksum_is_different --file="$nginx_conf_path"
+	# Set global variables for NGINX helper
+	domain="$old_domain"
+	path_url="$new_path"
+	# Create a dedicated NGINX config
+	ynh_add_nginx_config
+fi
+
+# Change the domain for NGINX
+if [ $change_domain -eq 1 ]
+then
+	# Delete file checksum for the old conf file location
+	ynh_delete_file_checksum --file="$nginx_conf_path"
+	mv $nginx_conf_path /etc/nginx/conf.d/$new_domain.d/$app.conf
+	# Store file checksum for the new config file location
+	ynh_store_file_checksum --file="/etc/nginx/conf.d/$new_domain.d/$app.conf"
+fi
+
+#=================================================
+# GENERIC FINALISATION
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
 ynh_script_progression --message="Starting a systemd service..." --weight=1
 
-ynh_systemd_action --service_name="$app" --action="start" --log_path="systemd"
+ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
+
+#=================================================
+# RELOAD NGINX
+#=================================================
+ynh_script_progression --message="Reloading NGINX web server..." --weight=1
+
+ynh_systemd_action --service_name=nginx --action=reload
 
 #=================================================
 # END OF SCRIPT
diff --git a/scripts/install b/scripts/install
index d61cf82..0814955 100644
--- a/scripts/install
+++ b/scripts/install
@@ -9,68 +9,166 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-path="/"
+#=================================================
+# MANAGE SCRIPT FAILURE
+#=================================================
 
-# Testing if mumbleserver is installed
-yunohost app list | grep -q "id: mumbleserver" || ynh_die "mumble-server is needed, but it is not installed."
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
+
+#=================================================
+# RETRIEVE ARGUMENTS FROM THE MANIFEST
+#=================================================
+
+# Retrieve arguments
+domain=$YNH_APP_ARG_DOMAIN
+path_url="/"
+is_public=$YNH_APP_ARG_IS_PUBLIC
+
+app=$YNH_APP_INSTANCE_NAME
+
+if [ ${PACKAGE_CHECK_EXEC:-0} -eq 1 ]; then
+	:
+else
+	# Testing if mumbleserver is installed
+	yunohost app list | grep -q "id: mumbleserver" || ynh_die "mumble-server is needed, but it is not installed."
+fi
+
+#=================================================
+# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
+#=================================================
+ynh_script_progression --message="Validating installation parameters..." --weight=1
+
+final_path=/var/www/$app
+test ! -e "$final_path" || ynh_die "This path already contains a folder"
+
+# Register (book) web path
+ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url
+
+#=================================================
+# STORE SETTINGS FROM MANIFEST
+#=================================================
+ynh_script_progression --message="Storing installation settings..." --weight=2
+
+# Save app settings
+ynh_app_setting_set --app=$app --key=domain --value=$domain
+ynh_app_setting_set --app=$app --key=path --value=$path_url
+
+#=================================================
+# STANDARD MODIFICATIONS
+#=================================================
+# FIND AND OPEN A PORT
+#=================================================
+ynh_script_progression --message="Finding an available port..." --weight=1
+
+port=$(ynh_find_port --port=64737)
+ynh_app_setting_set --app=$app --key=port --value=$port
 
 #=================================================
 # INSTALL DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Installing NodeJS..." --weight=4
+ynh_script_progression --message="Installing dependencies..." --weight=4
 
-ynh_install_nodejs --nodejs_version="$nodejs_version"
+# Install Mumble Debian package via apt
+ynh_install_app_dependencies $pkg_dependencies
+
+ynh_install_nodejs --nodejs_version=$nodejs_version
+
+#=================================================
+# CREATE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Configuring system user..." --weight=1
+
+# Create a system user
+ynh_system_user_create --username=$app --home_dir="$final_path"
 
 #=================================================
 # INSTALL Mumble-web
 #=================================================
 ynh_script_progression --message="Setting up source files..." --weight=1
 
-# Download, check integrity, uncompress and patch the source
-ynh_setup_source --dest_dir="$install_dir"
+ynh_app_setting_set --app=$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 -R o-rwx "$install_dir"
-chown -R "$app:www-data" "$install_dir"
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
 
 #=================================================
-# BUILD CODE
+# NGINX CONFIGURATION
 #=================================================
-ynh_script_progression --message="Building Mumble web client..." --weight=1
+ynh_script_progression --message="Configuring NGINX web server..." --weight=4
 
-pushd "$install_dir"
-    ynh_use_nodejs
-    ynh_exec_warn_less ynh_exec_as "$app" "$ynh_node_load_PATH" "$ynh_npm" install --save --loglevel warn
-    ynh_exec_warn_less ynh_exec_as "$app" "$ynh_node_load_PATH" "$ynh_npm" run build
-popd
+# Create a dedicated NGINX config
+ynh_add_nginx_config
+
+#=================================================
+# SPECIFIC SETUP
+#=================================================
+# mumble server conf.ini
+#=================================================
+ynh_script_progression --message="Configuring Mumble web client..." --weight=1
+
+ynh_use_nodejs
+(
+	cd $final_path
+	chown -R $app: $final_path
+	ynh_exec_warn_less ynh_exec_as "$app" PATH="$nodejs_path:$PATH" "$nodejs_path/npm" install --save --loglevel warn
+	ynh_exec_warn_less ynh_exec_as "$app" PATH="$nodejs_path:$PATH" "$nodejs_path/npm" run build
+	ls -lah
+)
 
 #=================================================
 # ADD A CONFIGURATION
 #=================================================
 ynh_script_progression --message="Adding a configuration file..." --weight=1
 
-ynh_add_config --template="config.local.js" --destination="$install_dir/dist/config.local.js"
-chmod 400 "$install_dir/dist/config.local.js"
-chown "$app" "$install_dir/dist/config.local.js"
+ynh_add_config --template="../conf/config.local.js" --destination="$final_path/dist/config.local.js"
+
+chmod 400 "$final_path/dist/config.local.js"
+chown $app "$final_path/dist/config.local.js"
 
 #=================================================
-# SYSTEM CONFIGURATION
+# SETUP SYSTEMD
 #=================================================
-ynh_script_progression --message="Adding system configurations related to $app..." --weight=1
+ynh_script_progression --message="Configuring a systemd service..." --weight=10
 
-# Create a dedicated NGINX config
-ynh_add_nginx_config
+ynh_replace_string --match_string="__ENV_PATH__" --replace_string="$PATH" --target_file="../conf/systemd.service"
 
-# Create a dedicated systemd config
 ynh_add_systemd_config
 
-yunohost service add "$app" --description="Mumble web client" --log="/var/log/$app/$app.log"
+#=================================================
+# INTEGRATE SERVICE IN YUNOHOST
+#=================================================
+ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
+
+yunohost service add $app --description="Mumble web client" --log="/var/log/$app/$app.log"
 
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
 ynh_script_progression --message="Starting a systemd service..." --weight=3
 
-ynh_systemd_action --service_name="$app" --action=restart --log_path="systemd"
+ynh_systemd_action --service_name=$app --action=restart --log_path="systemd"
+
+#=================================================
+# SETUP SSOWAT
+#=================================================
+ynh_script_progression --message="Configuring permissions..." --weight=1
+
+# Make app public if necessary
+if [ $is_public -eq 1 ]
+then
+	ynh_permission_update --permission="main" --add="visitors"
+fi
+
+#=================================================
+# RELOAD NGINX
+#=================================================
+ynh_script_progression --message="Reloading NGINX web server..." --weight=1
+
+ynh_systemd_action --service_name=nginx --action=reload
 
 #=================================================
 # END OF SCRIPT
diff --git a/scripts/remove b/scripts/remove
index 5367c1a..3d07b4b 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -9,27 +9,74 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
+#=================================================
+# LOAD SETTINGS
+#=================================================
+ynh_script_progression --message="Loading installation settings..." --weight=1
+
+app=$YNH_APP_INSTANCE_NAME
+
+domain=$(ynh_app_setting_get --app=$app --key=domain)
+path=$(ynh_app_setting_get --app=$app --key=path)
+port=$(ynh_app_setting_get --app=$app --key=port)
+final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+
 #=================================================
 # STANDARD REMOVE
 #=================================================
 # REMOVE SERVICE FROM ADMIN PANEL
 #=================================================
-ynh_script_progression --message="Removing system configurations related to $app..." --weight=1
 
 # Remove the service from the list of services known by YunoHost (added from `yunohost service add`)
-if ynh_exec_warn_less yunohost service status $app >/dev/null; then
-    ynh_script_progression --message="Removing $app service integration..." --weight=1
-    yunohost service remove $app
+if ynh_exec_warn_less yunohost service status $app >/dev/null
+then
+	ynh_script_progression --message="Removing $app service integration..." --weight=1
+	yunohost service remove $app
 fi
 
+#=================================================
+# STOP AND REMOVE SERVICE
+#=================================================
+ynh_script_progression --message="Stopping and removing the systemd service..." --weight=2
+
 # Remove the dedicated systemd config
 ynh_remove_systemd_config
 
+#=================================================
+# REMOVE DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Removing dependencies..." --weight=1
+
+# Remove metapackage and its dependencies
+ynh_remove_app_dependencies
+# Remove NodeJS
+ynh_remove_nodejs
+
+#=================================================
+# REMOVE APP MAIN DIR
+#=================================================
+ynh_script_progression --message="Removing app main directory..." --weight=2
+
+# Remove the app directory securely
+ynh_secure_remove --file="$final_path"
+
+#=================================================
+# REMOVE NGINX CONFIGURATION
+#=================================================
+ynh_script_progression --message="Removing NGINX web server configuration..." --weight=1
+
 # Remove the dedicated nginx config
 ynh_remove_nginx_config
 
-# Remove NodeJS
-ynh_remove_nodejs
+#=================================================
+# GENERIC FINALIZATION
+#=================================================
+# REMOVE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Removing the dedicated system user..." --weight=1
+
+# Delete a system user
+ynh_system_user_delete --username="$app"
 
 #=================================================
 # END OF SCRIPT
diff --git a/scripts/restore b/scripts/restore
index 9a6cd1d..e27a3a0 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -10,42 +10,97 @@ source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
 #=================================================
-# REINSTALL DEPENDENCIES
+# MANAGE SCRIPT FAILURE
 #=================================================
-ynh_script_progression --message="Reinstalling NodeJS..." --weight=4
 
-ynh_install_nodejs --nodejs_version="$nodejs_version"
+ynh_abort_if_errors
+
+#=================================================
+# LOAD SETTINGS
+#=================================================
+ynh_script_progression --message="Loading installation settings..." --weight=1
+
+app=$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 IF THE APP CAN BE RESTORED
+#=================================================
+ynh_script_progression --message="Validating restoration parameters..." --weight=1
+
+test ! -d $final_path || ynh_die --message="There is already a directory: $final_path "
+
+#=================================================
+# STANDARD RESTORATION STEPS
+#=================================================
+# RESTORE THE NGINX CONFIGURATION
+#=================================================
+ynh_script_progression --message="Restoring the NGINX configuration..." --weight=1
+
+ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
+
+#=================================================
+# RECREATE THE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Recreating the dedicated system user..." --weight=1
+
+# Create the dedicated user (if not existing)
+ynh_system_user_create --username=$app --home_dir="$final_path"
 
 #=================================================
 # RESTORE THE APP MAIN DIR
 #=================================================
 ynh_script_progression --message="Restoring the app main directory..." --weight=2
 
-ynh_restore_file --origin_path="$install_dir"
+ynh_restore_file --origin_path="$final_path"
 
-chmod -R o-rwx "$install_dir"
-chown -R "$app:www-data" "$install_dir"
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
 
 #=================================================
-# RESTORE SYSTEM CONFIGURATIONS
+# REINSTALL DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Restoring system configurations related to $app..." --weight=1
+ynh_script_progression --message="Reinstalling dependencies..." --weight=4
 
-ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
+# Define and install dependencies
+ynh_install_app_dependencies $pkg_dependencies
+
+ynh_install_nodejs --nodejs_version=$nodejs_version
+
+#=================================================
+# 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
+systemctl enable $app.service --quiet
 
-yunohost service add "$app" --description="Mumble web client" --log="/var/log/$app/$app.log"
+#=================================================
+# ADVERTISE SERVICE IN ADMIN PANEL
+#=================================================
+ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
+
+# Add Mumble as a YunoHost service
+yunohost service add $app --description="Mumble web client" --log="/var/log/$app/$app.log"
+
+#=================================================
+# START SYSTEMD SERVICE
+#=================================================
+ynh_script_progression --message="Starting a systemd service..." --weight=1
+
+ynh_systemd_action --service_name=$app --action="start" --log_path="systemd"
 
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
-# RELOAD NGINX AND PHP-FPM OR THE APP SERVICE
+# RELOAD NGINX AND PHP-FPM
 #=================================================
-ynh_script_progression --message="Reloading NGINX web server and $app's service..." --weight=1
-
-ynh_systemd_action --service_name="$app" --action="start" --log_path="systemd"
+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 a290c41..9c0793f 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -9,61 +9,128 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
+#=================================================
+# LOAD SETTINGS
+#=================================================
+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=$app --key=path)
+port=$(ynh_app_setting_get --app=$app --key=port)
+final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+
+#=================================================
+# CHECK VERSION
+#=================================================
+
+upgrade_type=$(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)..." --weight=5
+
+# Backup the current version of the app
+ynh_backup_before_upgrade
+ynh_clean_setup () {
+	# restore it if the upgrade fails
+ 	ynh_restore_upgradebackup
+}
+
+# Exit if an error occurs during the execution of the script
+ynh_abort_if_errors
+
 #=================================================
 # STOP SYSTEMD SERVICE
 #=================================================
 ynh_script_progression --message="Stopping a systemd service..." --weight=1
 
-ynh_systemd_action --service_name=$app --action="stop" --log_path="systemd"
+ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"
 
 #=================================================
-# INSTALL DEPENDENCIES
+# ENSURE DOWNWARD COMPATIBILITY
 #=================================================
-ynh_script_progression --message="Upgrading NodeJS..." --weight=1
+ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
 
-ynh_install_nodejs --nodejs_version=$nodejs_version
-ynh_use_nodejs
+# If final_path doesn't exist, create it
+if [ -z "$final_path" ]; then
+	final_path=/var/www/$app
+	ynh_app_setting_set --app=$app --key=final_path --value=$final_path
+fi
+
+#=================================================
+# CREATE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Making sure dedicated system user exists..." --weight=1
+
+# Create a dedicated user (if not existing)
+ynh_system_user_create --username=$app --home_dir="$final_path"
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
-ynh_script_progression --message="Upgrading source files..." --weight=1
 
-# Download, check integrity, uncompress and patch the source from app.src
-ynh_setup_source --dest_dir="$install_dir" --full_replace=1 --keep="dist/config.local.js"
+if [ "$upgrade_type" == "UPGRADE_APP" ]
+then
+	ynh_script_progression --message="Upgrading source files..." --weight=1
 
-chmod -R o-rwx "$install_dir"
-chown -R "$app:www-data" "$install_dir"
+	# Download, check integrity, uncompress and patch the source from app.src
+	ynh_setup_source --dest_dir="$final_path" --keep="dist/config.local.js"
+fi
+
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
 
 #=================================================
-# BUILD CODE
+# NGINX CONFIGURATION
 #=================================================
-ynh_script_progression --message="Building Mumble web client..." --weight=1
-
-pushd "$install_dir"
-    ynh_exec_warn_less ynh_exec_as "$app" "$ynh_node_load_PATH" "$ynh_npm" install --save --loglevel warn
-    ynh_exec_warn_less ynh_exec_as "$app" "$ynh_node_load_PATH" "$ynh_npm" run build
-popd
-
-#=================================================
-# REAPPLY SYSTEM CONFIGURATIONS
-#=================================================
-ynh_script_progression --message="Upgrading system configurations related to $app..." --weight=1
+ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=5
 
 # Create a dedicated NGINX config
 ynh_add_nginx_config
 
+#=================================================
+# INSTALL DEPENDENCIES
+#=================================================
+ynh_script_progression --message="Upgrading dependencies..." --weight=1
+
+ynh_install_app_dependencies $pkg_dependencies
+
+ynh_install_nodejs --nodejs_version=$nodejs_version
+
+#=================================================
+# SETUP SYSTEMD
+#=================================================
+ynh_script_progression --message="Upgrading systemd configuration..." --weight=2
+
 # Create a dedicated systemd config
+ynh_replace_string --match_string="__ENV_PATH__" --replace_string="$PATH" --target_file="../conf/systemd.service"
+
 ynh_add_systemd_config
 
-yunohost service add "$app" --description="Mumble web client" --log="/var/log/$app/$app.log"
+#=================================================
+# ADVERTISE SERVICE IN ADMIN PANEL
+#=================================================
+
+# Add Mumble as a YunoHost service
+yunohost service add $app --description="Mumble web client" --log="/var/log/$app/$app.log"
 
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
 ynh_script_progression --message="Starting a systemd service..." --weight=1
 
-ynh_systemd_action --service_name="$app" --action="start" --log_path="systemd"
+ynh_systemd_action --service_name=$app --action="start" --log_path="systemd"
+
+#=================================================
+# RELOAD NGINX
+#=================================================
+ynh_script_progression --message="Reloading NGINX web server..." --weight=2
+
+ynh_systemd_action --service_name=nginx --action=reload
 
 #=================================================
 # END OF SCRIPT
diff --git a/tests.toml b/tests.toml
deleted file mode 100644
index 328ace0..0000000
--- a/tests.toml
+++ /dev/null
@@ -1,17 +0,0 @@
-#:schema https://raw.githubusercontent.com/YunoHost/apps/master/schemas/tests.v1.schema.json
-
-test_format = 1.0
-
-[default]
-
-    preinstall = """
-    yunohost tools update apps
-    yunohost domain add mumble.domain.tld
-    yunohost app install \
-        https://github.com/YunoHost-Apps/mumbleserver_ynh/tree/05ee188491d4570eb2ed64dab4ca1e7a45e44d5f \
-        -a "domain=mumble.domain.tld&welcometext=Welcome&registername=Root" \
-        --force
-
-    """
-
-    test_upgrade_from.a647bf5a79ad41f0f346c8d302890eaf3cef4db5.name = "Last packaging v1 version"