diff --git a/README.md b/README.md
index c0edbc1..0e1dd5e 100644
--- a/README.md
+++ b/README.md
@@ -25,12 +25,6 @@ Monica is an open-source web application to organize the interactions with your
 
 ![Screenshot of Monica](./doc/screenshots/main-app.png)
 
-## Disclaimers / important information
-
-* You can connect using the email address of the user choosen during the installation and password provided during the installation
-* New registrations are disabled, you can open the register for all by changing the value **APP_DISABLE_SIGNUP** to **false** in **.env**.
-* There is **no admin interface** in the Monica app currently.
-
 ## :red_circle: Antifeatures
 
 - **Package not maintained**: This YunoHost package is not maintained and needs adoption.
diff --git a/README_fr.md b/README_fr.md
index 6bd1e91..4e5b64e 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -25,12 +25,6 @@ Monica is an open-source web application to organize the interactions with your
 
 ![Capture d’écran de Monica](./doc/screenshots/main-app.png)
 
-## Avertissements / informations importantes
-
-* You can connect using the email address of the user choosen during the installation and password provided during the installation
-* New registrations are disabled, you can open the register for all by changing the value **APP_DISABLE_SIGNUP** to **false** in **.env**.
-* There is **no admin interface** in the Monica app currently.
-
 ## :red_circle: Fonctions indésirables
 
 - **Package not maintained**: This YunoHost package is not maintained and needs adoption.
diff --git a/conf/app.src b/conf/app.src
deleted file mode 100644
index 0d8b8c0..0000000
--- a/conf/app.src
+++ /dev/null
@@ -1,7 +0,0 @@
-SOURCE_URL=https://github.com/monicahq/monica/archive/v4.0.0.zip
-SOURCE_SUM=5b108525a2f5fedc0a2bb82a49d3de47d087b33082fb21e64f874d387304ed9f
-SOURCE_SUM_PRG=sha256sum
-SOURCE_FORMAT=zip
-SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=
-SOURCE_EXTRACT=true
diff --git a/conf/cron b/conf/cron
index 6b49ccb..597d231 100644
--- a/conf/cron
+++ b/conf/cron
@@ -1 +1 @@
-* * * * * __APP__ /usr/bin/php__PHPVERSION__ __FINALPATH__/artisan schedule:run
\ No newline at end of file
+* * * * * __APP__ /usr/bin/php__PHPVERSION__ __INSTALL_DIR__/artisan schedule:run
\ No newline at end of file
diff --git a/conf/nginx.conf b/conf/nginx.conf
index f86bae3..38cac94 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -2,7 +2,7 @@
 location ^~ __PATH__/ {
 
   # Path to source
-  alias __FINALPATH__/public/;
+  alias __INSTALL_DIR__/public/;
 
   index index.php;
 
diff --git a/doc/DISCLAIMER.md b/doc/ADMIN.md
similarity index 100%
rename from doc/DISCLAIMER.md
rename to doc/ADMIN.md
diff --git a/manifest.json b/manifest.json
deleted file mode 100644
index d451c61..0000000
--- a/manifest.json
+++ /dev/null
@@ -1,81 +0,0 @@
-{
-    "name": "Monica",
-    "id": "monica",
-    "packaging_format": 1,
-    "description": {
-        "en": "Personal Relationship Manager",
-        "fr": "Gestionnaire de relations personnelles"
-    },
-    "version": "4.0.0~ynh1",
-    "url": "https://monicahq.com",
-    "upstream": {
-        "license": "GPL-3.0",
-        "website": "https://monicahq.com",
-        "code": "https://github.com/monicahq/monica",
-        "cpe": "cpe:2.3:a:monicahq:monica"
-    },
-    "license": "GPL-3.0",
-    "maintainer": {
-        "name": "Sebastian Gumprich",
-        "email": "yunohost@gumpri.ch",
-        "url": "http://github.com/rndmh3ro/monica_ynh"
-    },
-    "requirements": {
-        "yunohost": ">= 11.0.9"
-    },
-    "multi_instance": true,
-    "services": [
-        "nginx",
-        "php8.1-fpm",
-        "mysql"
-    ],
-    "arguments": {
-        "install": [
-            {
-                "name": "domain",
-                "type": "domain"
-            },
-            {
-                "name": "path",
-                "type": "path",
-                "example": "/monica",
-                "default": "/monica"
-            },
-            {
-                "name": "is_public",
-                "type": "boolean",
-                "default": true
-            },
-            {
-                "name": "language",
-                "type": "string",
-                "ask": {
-                    "en": "Choose the application language",
-                    "fr": "Choisissez la langue de l'application"
-                },
-                "choices": [
-                    "cs",
-                    "de",
-                    "en",
-                    "es",
-                    "fr",
-                    "he",
-                    "it",
-                    "nl",
-                    "pt",
-                    "ru",
-                    "zh"
-                ],
-                "default": "en"
-            },
-            {
-                "name": "admin",
-                "type": "user"
-            },
-            {
-                "name": "password",
-                "type": "password"
-            }
-        ]
-    }
-}
diff --git a/manifest.toml b/manifest.toml
new file mode 100644
index 0000000..6a5b608
--- /dev/null
+++ b/manifest.toml
@@ -0,0 +1,75 @@
+packaging_format = 2
+
+id = "monica"
+name = "Monica"
+description.en = "Personal Relationship Manager"
+description.fr = "Gestionnaire de relations personnelles"
+
+version = "4.0.0~ynh1"
+
+maintainers = ["Sebastian Gumprich"]
+
+[upstream]
+license = "GPL-3.0"
+website = "https://monicahq.com"
+code = "https://github.com/monicahq/monica"
+
+[integration]
+yunohost = ">= 11.1.15"
+architectures = "all"
+multi_instance = true
+ldap =  false
+sso = false
+disk = "50M"
+ram.build = "50M"
+ram.runtime = "50M"
+
+[install]
+    [install.domain]
+    type = "domain"
+
+    [install.path]
+    type = "path"
+    default = "/monica"
+
+    [install.init_main_permission]
+    type = "group"
+    default = "visitors"
+
+    [install.language]
+    ask.en = "Choose the application language"
+    ask.fr = "Choisissez la langue de l'application"
+    type = "string"
+    choices = ["cs", "de", "en", "es", "fr", "he", "it", "nl", "pt", "ru", "zh"]
+    default = "en"
+
+    [install.admin]
+    type = "user"
+
+    [install.password]
+    type = "password"
+
+[resources]
+
+    [resources.sources]
+
+        [resources.sources.main]
+        url = "https://github.com/monicahq/monica/archive/v4.0.0.zip"
+        sha256 = "5b108525a2f5fedc0a2bb82a49d3de47d087b33082fb21e64f874d387304ed9f"
+
+    [resources.system_user]
+
+    [resources.install_dir]
+
+    [resources.permissions]
+    main.url = "/"
+
+    [resources.apt]
+    packages = "mariadb-server php8.1-bcmath php8.1-cli php8.1-curl php8.1-dom php8.1-gd php8.1-gmp php8.1-iconv php8.1-intl php8.1-mbstring php8.1-mysql php8.1-mysqli php8.1-opcache php8.1-redis php8.1-xml php8.1-zip"
+
+    extras.yarn.repo = "deb https://dl.yarnpkg.com/debian/ stable main"
+    extras.yarn.key = "https://dl.yarnpkg.com/debian/pubkey.gpg"
+    extras.yarn.packages = "yarn"
+
+    [resources.database]
+    type = "mysql"
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 1159946..a99fcb7 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,14 +4,11 @@
 # COMMON VARIABLES
 #=================================================
 
-YNH_PHP_VERSION="8.1"
+#REMOVEME? YNH_PHP_VERSION="8.1"
 
 YNH_COMPOSER_VERSION="2.5.1"
 
-php_dependencies="php${YNH_PHP_VERSION}-bcmath php${YNH_PHP_VERSION}-cli php${YNH_PHP_VERSION}-curl php${YNH_PHP_VERSION}-dom php${YNH_PHP_VERSION}-gd php${YNH_PHP_VERSION}-gmp php${YNH_PHP_VERSION}-iconv php${YNH_PHP_VERSION}-intl php${YNH_PHP_VERSION}-mbstring php${YNH_PHP_VERSION}-mysql php${YNH_PHP_VERSION}-mysqli php${YNH_PHP_VERSION}-opcache php${YNH_PHP_VERSION}-redis php${YNH_PHP_VERSION}-xml php${YNH_PHP_VERSION}-zip"
 
-# dependencies used by the app (must be on a single line)
-pkg_dependencies="$php_dependencies"
 
 NODEJS_VERSION=18
 
diff --git a/scripts/backup b/scripts/backup
index 1b8fd1c..35afc88 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -10,28 +10,6 @@
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# MANAGE SCRIPT FAILURE
-#=================================================
-
-ynh_clean_setup () {
-	true
-}
-# Exit if an error occurs during the execution of the script
-ynh_abort_if_errors
-
-#=================================================
-# LOAD SETTINGS
-#=================================================
-ynh_print_info --message="Loading installation settings..."
-
-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=$app --key=db_name)
-phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
-
 #=================================================
 # DECLARE DATA AND CONF FILES TO BACKUP
 #=================================================
@@ -41,7 +19,7 @@ ynh_print_info --message="Declaring files to be backed up..."
 # BACKUP THE APP MAIN DIR
 #=================================================
 
-ynh_backup --src_path="$final_path"
+ynh_backup --src_path="$install_dir"
 
 #=================================================
 # BACKUP THE NGINX CONFIGURATION
diff --git a/scripts/change_url b/scripts/change_url
index 499e3f4..ffe543d 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -9,65 +9,6 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# RETRIEVE ARGUMENTS
-#=================================================
-
-old_domain=$YNH_APP_OLD_DOMAIN
-old_path=$YNH_APP_OLD_PATH
-
-new_domain=$YNH_APP_NEW_DOMAIN
-new_path=$YNH_APP_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=$app --key=final_path)
-
-# Add settings here as needed by your application
-#db_name=$(ynh_app_setting_get --app=$app --key=db_name)
-#db_user=$db_name
-#db_pwd=$(ynh_app_setting_get --app=$app --key=db_pwd)
-phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
-
-#=================================================
-# 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
 #=================================================
@@ -75,50 +16,17 @@ fi
 #=================================================
 ynh_script_progression --message="Updating NGINX web server configuration..." --weight=1
 
-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
+ynh_change_url_nginx_config
 
 #=================================================
 # SPECIFIC MODIFICATIONS
 #=================================================
-# ...
-#=================================================
 
 # Run monica update
-pushd "$final_path"
+pushd "$install_dir"
 	/usr/bin/php$phpversion artisan monica:update --force
 popd
 
-#=================================================
-# GENERIC FINALISATION
-#=================================================
-# 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 07be1c0..a1f6e33 100755
--- a/scripts/install
+++ b/scripts/install
@@ -9,52 +9,20 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# MANAGE SCRIPT FAILURE
-#=================================================
-
-# Exit if an error occurs during the execution of the script
-ynh_abort_if_errors
-
 #=================================================
 # RETRIEVE ARGUMENTS FROM THE MANIFEST
 #=================================================
 
-domain=$YNH_APP_ARG_DOMAIN
-path_url=$YNH_APP_ARG_PATH
-is_public=$YNH_APP_ARG_IS_PUBLIC
-language=$YNH_APP_ARG_LANGUAGE
-admin=$YNH_APP_ARG_ADMIN
-password=$YNH_APP_ARG_PASSWORD
-
-app=$YNH_APP_INSTANCE_NAME
-
 random_key=$(ynh_string_random --length=32)
 email=$(ynh_user_get_info --username=$admin --key="mail")
 fpm_footprint="low"
 fpm_free_footprint=0
 fpm_usage="low"
 
-#=================================================
-# 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 --message="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=1
 
-ynh_app_setting_set --app=$app --key=domain --value=$domain
-ynh_app_setting_set --app=$app --key=path --value=$path_url
-ynh_app_setting_set --app=$app --key=language --value=$language
-ynh_app_setting_set --app=$app --key=admin --value=$admin
 ynh_app_setting_set --app=$app --key=random_key --value=$random_key
 ynh_app_setting_set --app=$app --key=fpm_footprint --value=$fpm_footprint
 ynh_app_setting_set --app=$app --key=fpm_free_footprint --value=$fpm_free_footprint
@@ -67,49 +35,25 @@ ynh_app_setting_set --app=$app --key=fpm_usage --value=$fpm_usage
 #=================================================
 ynh_script_progression --message="Installing dependencies..." --weight=1
 
-ynh_install_app_dependencies $pkg_dependencies
 ynh_install_nodejs --nodejs_version=$NODEJS_VERSION
-ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ stable main" --package="yarn" --key="https://dl.yarnpkg.com/debian/pubkey.gpg"
-
-#=================================================
-# 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"
-
-#=================================================
-# CREATE A MYSQL DATABASE
-#=================================================
-ynh_script_progression --message="Creating a MySQL database..." --weight=1
-
-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
 #=================================================
 ynh_script_progression --message="Setting up source files..." --weight=1
 
-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="$final_path"
+ynh_setup_source --dest_dir="$install_dir"
 
-chmod 750 "$final_path"
-chmod -R o-rwx "$final_path"
-chown -R $app:www-data "$final_path"
+chmod -R o-rwx "$install_dir"
+chown -R $app:www-data "$install_dir"
 
 #=================================================
 # PHP-FPM CONFIGURATION
 #=================================================
 ynh_script_progression --message="Configuring PHP-FPM..." --weight=1
 
-# Create a dedicated PHP-FPM config
 ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint
-phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
 #=================================================
 # NGINX CONFIGURATION
@@ -124,25 +68,25 @@ ynh_add_nginx_config
 #=================================================
 # INSTALL COMPOSER DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Installing composer dependencies..."
+#REMOVEME? ynh_script_progression --message="Installing composer dependencies..."
 
-ynh_exec_warn_less ynh_install_composer --phpversion="$phpversion" --workdir="$final_path"
+ynh_exec_warn_less ynh_install_composer --phpversion="$phpversion" --workdir="$install_dir"
 
-chmod 750 "$final_path"
-chmod -R o-rwx "$final_path"
-chown -R $app:www-data "$final_path"
+chmod 750 "$install_dir"
+chmod -R o-rwx "$install_dir"
+chown -R $app:www-data "$install_dir"
 
 #=================================================
 # ADD A CONFIGURATION
 #=================================================
 ynh_script_progression --message="Adding a configuration file..." --weight=1
 
-config="$final_path/.env"
+config="$install_dir/.env"
 
-ynh_add_config --template=../conf/.env --destination=$final_path/.env
+ynh_add_config --template=../conf/.env --destination=$install_dir/.env
 
-chmod 600 $final_path/.env
-chown $app:$app $final_path/.env
+chmod 600 $install_dir/.env
+chown $app:$app $install_dir/.env
 
 #=================================================
 # DEPLOY
@@ -151,27 +95,27 @@ ynh_script_progression --message="Deploying..."
 
 update-alternatives --set php /usr/bin/php$phpversion
 
-pushd "$final_path"
+pushd "$install_dir"
 	ynh_use_nodejs
 	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH yarn install
 	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH yarn run production
 	ynh_exec_warn_less ynh_exec_as $app php$phpversion artisan setup:production --force --email=$email --password=$password
 	ynh_exec_warn_less ynh_exec_as $app php$phpversion artisan passport:client --password -n > key.txt
-	mobile_id=$( cd $final_path && tail -2 key.txt | head -1 | cut -c 12- )
-	mobile_key=$( cd $final_path && tail -1 key.txt | cut -c 16- )
-	ynh_replace_string  --match_string="mobile_id"  --replace_string="$mobile_id"  --target_file="$final_path/.env"
-	ynh_replace_string  --match_string="mobile_key" --replace_string="$mobile_key" --target_file="$final_path/.env"
+	mobile_id=$( cd $install_dir && tail -2 key.txt | head -1 | cut -c 12- )
+	mobile_key=$( cd $install_dir && tail -1 key.txt | cut -c 16- )
+	ynh_replace_string  --match_string="mobile_id"  --replace_string="$mobile_id"  --target_file="$install_dir/.env"
+	ynh_replace_string  --match_string="mobile_key" --replace_string="$mobile_key" --target_file="$install_dir/.env"
 	ynh_app_setting_set --app=$app --key=mobile_id --value=$mobile_id
 	ynh_app_setting_set --app=$app --key=mobile_key --value=$mobile_key
-	ynh_secure_remove --file="$final_path/key.txt"
+	ynh_secure_remove --file="$install_dir/key.txt"
 	ynh_exec_warn_less ynh_exec_as $app php$phpversion artisan config:cache
 popd
 
 # Calculate and store the config file checksum into the app settings
-ynh_store_file_checksum --file="$final_path/.env"
+ynh_store_file_checksum --file="$install_dir/.env"
 
-chmod 400 "$final_path/.env"
-chown $app:$app "$final_path/.env"
+chmod 400 "$install_dir/.env"
+chown $app:$app "$install_dir/.env"
 
 update-alternatives --set php /usr/bin/php${YNH_DEFAULT_PHP_VERSION}
 
@@ -185,28 +129,6 @@ ynh_add_config --template="../conf/cron" --destination="/etc/cron.d/$app"
 chown root: "/etc/cron.d/$app"
 chmod 644 "/etc/cron.d/$app"
 
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# SETUP SSOWAT
-#=================================================
-ynh_script_progression --message="Configuring permissions..." --weight=1
-
-# Make app public if necessary
-if [ $is_public -eq 1 ]
-then
-	# Everyone can access the app.
-	# The "main" permission is automatically created before the install script.
-	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 b05e4cc..1c16c0b 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -9,36 +9,6 @@
 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=$app --key=domain)
-db_name=$(ynh_app_setting_get --app=$app --key=db_name)
-db_user=$db_name
-final_path=$(ynh_app_setting_get --app=$app --key=final_path)
-
-#=================================================
-# STANDARD REMOVE
-#=================================================
-# REMOVE THE MYSQL DATABASE
-#=================================================
-ynh_script_progression --message="Removing the MySQL database..." --weight=1
-
-# Remove a database if it exists, along with the associated user
-ynh_mysql_remove_db --db_user=$db_user --db_name=$db_name
-
-#=================================================
-# REMOVE APP MAIN DIR
-#=================================================
-ynh_script_progression --message="Removing app main directory..." --weight=1
-
-# Remove the app directory securely
-ynh_secure_remove --file="$final_path"
-
 #=================================================
 # REMOVE NGINX CONFIGURATION
 #=================================================
@@ -62,7 +32,6 @@ ynh_script_progression --message="Removing dependencies..." --weight=1
 
 # Remove metapackage and its dependencies
 ynh_remove_nodejs
-ynh_remove_app_dependencies
 
 #=================================================
 # SPECIFIC REMOVE
@@ -74,16 +43,6 @@ ynh_script_progression --message="Removing various files..." --weight=1
 # Remove a cron file
 ynh_secure_remove --file="/etc/cron.d/$app"
 
-#=================================================
-# 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 058aedd..39643a4 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -10,61 +10,15 @@
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# MANAGE SCRIPT FAILURE
-#=================================================
-
-ynh_clean_setup () {
-	true
-}
-# Exit if an error occurs during the execution of the script
-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=$app --key=final_path)
-db_name=$(ynh_app_setting_get --app=$app --key=db_name)
-db_user=$db_name
-phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
-
-fpm_footprint=$(ynh_app_setting_get --app=$app --key=fpm_footprint)
-fpm_usage=$(ynh_app_setting_get --app=$app --key=fpm_usage)
-
-#=================================================
-# 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: $final_path "
-
-#=================================================
-# STANDARD RESTORATION STEPS
-#=================================================
-# RECREATE THE DEDICATED USER
-#=================================================
-ynh_script_progression --message="Recreating the dedicated system user..." --weight=1
-
-# Create the dedicated user (if not existing)
-ynh_system_user_create --username=$app --home_dir="$final_path"
-
 #=================================================
 # RESTORE THE APP MAIN DIR
 #=================================================
 ynh_script_progression --message="Restoring the app main directory..." --weight=1
 
-ynh_restore_file --origin_path="$final_path"
+ynh_restore_file --origin_path="$install_dir"
 
-chmod 750 "$final_path"
-chmod -R o-rwx "$final_path"
-chown -R $app:www-data "$final_path"
+chmod -R o-rwx "$install_dir"
+chown -R $app:www-data "$install_dir"
 
 #=================================================
 # SPECIFIC RESTORATION
@@ -74,9 +28,7 @@ chown -R $app:www-data "$final_path"
 ynh_script_progression --message="Reinstalling dependencies..." --weight=1
 
 # Define and install dependencies
-ynh_install_app_dependencies $pkg_dependencies
 ynh_install_nodejs --nodejs_version=$NODEJS_VERSION
-ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ stable main" --package="yarn" --key="https://dl.yarnpkg.com/debian/pubkey.gpg"
 
 #=================================================
 # RESTORE THE PHP-FPM CONFIGURATION
@@ -100,8 +52,6 @@ ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 #=================================================
 ynh_script_progression --message="Restoring the MySQL database..." --weight=1
 
-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
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 4e1e95d..e8547b1 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -12,25 +12,8 @@ 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=$app --key=path)
-language=$(ynh_app_setting_get --app=$app --key=language)
-admin=$(ynh_app_setting_get --app=$app --key=admin)
-final_path=$(ynh_app_setting_get --app=$app --key=final_path)
-db_name=$(ynh_app_setting_get --app=$app --key=db_name)
-db_user=$db_name
-db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
-random_key=$(ynh_app_setting_get --app=$app --key=random_key)
 email=$(ynh_user_get_info --username=$admin --key=mail)
-phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
-
-fpm_footprint=$(ynh_app_setting_get --app=$app --key=fpm_footprint)
-fpm_free_footprint=$(ynh_app_setting_get --app=$app --key=fpm_free_footprint)
-fpm_usage=$(ynh_app_setting_get --app=$app --key=fpm_usage)
 
 #=================================================
 # CHECK VERSION
@@ -38,22 +21,6 @@ fpm_usage=$(ynh_app_setting_get --app=$app --key=fpm_usage)
 
 upgrade_type=$(ynh_check_app_version_changed)
 
-previous_version=$(read_json "/etc/yunohost/apps/$YNH_APP_INSTANCE_NAME/manifest.json" 'version' 2> /dev/null)
-
-#=================================================
-# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
-#=================================================
-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
-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
-
 #=================================================
 # STANDARD UPGRADE STEPS
 #=================================================
@@ -62,38 +29,23 @@ ynh_abort_if_errors
 ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
 
 # If fpm_footprint doesn't exist, create it
-if [ -z "$fpm_footprint" ]; then
+if [ -z "${fpm_footprint:-}" ]; then
     fpm_footprint=low
     ynh_app_setting_set --app=$app --key=fpm_footprint --value=$fpm_footprint
 fi
 
 # If fpm_free_footprint doesn't exist, create it
-if [ -z "$fpm_free_footprint" ]; then
+if [ -z "${fpm_free_footprint:-}" ]; then
     fpm_free_footprint=0
     ynh_app_setting_set --app=$app --key=fpm_free_footprint --value=$fpm_free_footprint
 fi
 
 # If fpm_usage doesn't exist, create it
-if [ -z "$fpm_usage" ]; then
+if [ -z "${fpm_usage:-}" ]; then
     fpm_usage=low
     ynh_app_setting_set --app=$app --key=fpm_usage --value=$fpm_usage
 fi
 
-# Cleaning legacy permissions
-if ynh_legacy_permissions_exists; then
-	ynh_legacy_permissions_delete_all
-
-	ynh_app_setting_delete --app=$app --key=is_public
-fi
-
-#=================================================
-# CREATE DEDICATED USER
-#=================================================
-ynh_script_progression --message="Making sure dedicated system user exists..." --weight=1
-
-# Create a dedicated user (if not existing)
-ynh_system_user_create --username=$app --home_dir="$final_path"
-
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
@@ -103,21 +55,18 @@ then
 	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="$final_path" --keep=".env"
+	ynh_setup_source --dest_dir="$install_dir" --keep=".env"
 fi
 
-chmod 750 "$final_path"
-chmod -R o-rwx "$final_path"
-chown -R $app:www-data "$final_path"
+chmod -R o-rwx "$install_dir"
+chown -R $app:www-data "$install_dir"
 
 #=================================================
 # UPGRADE DEPENDENCIES
 #=================================================
 ynh_script_progression --message="Upgrading dependencies..." --weight=1
 
-ynh_install_app_dependencies $pkg_dependencies
 ynh_install_nodejs --nodejs_version=$NODEJS_VERSION
-ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ stable main" --package="yarn" --key="https://dl.yarnpkg.com/debian/pubkey.gpg"
 
 #=================================================
 # PHP-FPM CONFIGURATION
@@ -126,7 +75,6 @@ ynh_script_progression --message="Upgrading PHP-FPM configuration..." --weight=1
 
 # Create a dedicated PHP-FPM config
 ynh_add_fpm_config --phpversion=$phpversion --usage=$fpm_usage --footprint=$fpm_footprint
-phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
 #=================================================
 # NGINX CONFIGURATION
@@ -143,21 +91,21 @@ ynh_add_nginx_config
 #=================================================
 ynh_script_progression --message="Updating php dependencies..."
 
-ynh_secure_remove --file="$final_path/vendor"
-ynh_exec_warn_less ynh_install_composer --phpversion="$phpversion" --workdir="$final_path"
+ynh_secure_remove --file="$install_dir/vendor"
+ynh_exec_warn_less ynh_install_composer --phpversion="$phpversion" --workdir="$install_dir"
 
-chmod 750 "$final_path"
-chmod -R o-rwx "$final_path"
-chown -R $app:www-data "$final_path"
+chmod 750 "$install_dir"
+chmod -R o-rwx "$install_dir"
+chown -R $app:www-data "$install_dir"
 
 #=================================================
 # UPDATE A CONFIG FILE
 #=================================================
 ynh_script_progression --message="Updating a configuration file..." --weight=1
 
-ynh_backup_if_checksum_is_different --file="$final_path/.env"
+ynh_backup_if_checksum_is_different --file="$install_dir/.env"
 
-ynh_add_config --template=../conf/.env --destination=$final_path/.env
+ynh_add_config --template=../conf/.env --destination=$install_dir/.env
 
 #=================================================
 # DEPLOYMENT
@@ -166,59 +114,50 @@ ynh_script_progression --message="Deploying..."
 
 update-alternatives --set php /usr/bin/php$phpversion
 
-pushd "$final_path"
+pushd "$install_dir"
 	ynh_use_nodejs
 	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH yarn install
 	ynh_exec_warn_less ynh_exec_as $app $ynh_node_load_PATH yarn run production
 	ynh_exec_warn_less ynh_exec_as $app php$phpversion artisan monica:update --force
 popd
 
-if [ -f $final_path/storage/oauth-private.key ]; then
+if [ -f $install_dir/storage/oauth-private.key ]; then
 	mobile_id=$(ynh_app_setting_get --app=$app --key=mobile_id)
 	mobile_key=$(ynh_app_setting_get --app=$app --key=mobile_key)
-	ynh_replace_string --match_string="mobile_id" --replace_string="$mobile_id" --target_file="$final_path/.env"
-	ynh_replace_string --match_string="mobile_key" --replace_string="$mobile_key" --target_file="$final_path/.env"
+	ynh_replace_string --match_string="mobile_id" --replace_string="$mobile_id" --target_file="$install_dir/.env"
+	ynh_replace_string --match_string="mobile_key" --replace_string="$mobile_key" --target_file="$install_dir/.env"
 else
-	pushd "$final_path"
+	pushd "$install_dir"
 		ynh_exec_warn_less ynh_exec_as $app php$phpversion artisan passport:keys
 		ynh_exec_warn_less ynh_exec_as $app php$phpversion artisan passport:client --password -n > key.txt
 		mobile_id=$( tail -2 key.txt | head -1 | cut -c 12- )
 		mobile_key=$( tail -1 key.txt | cut -c 16- )
-		ynh_replace_string --match_string="mobile_id" --replace_string="$mobile_id"   --target_file="$final_path/.env"
-		ynh_replace_string --match_string="mobile_key" --replace_string="$mobile_key"  --target_file="$final_path/.env"
+		ynh_replace_string --match_string="mobile_id" --replace_string="$mobile_id"   --target_file="$install_dir/.env"
+		ynh_replace_string --match_string="mobile_key" --replace_string="$mobile_key"  --target_file="$install_dir/.env"
 		ynh_app_setting_set --app=$app --key=mobile_id --value=$mobile_id
 		ynh_app_setting_set --app=$app --key=mobile_key --value=$mobile_key
-		ynh_secure_remove --file="$final_path/key.txt"
+		ynh_secure_remove --file="$install_dir/key.txt"
 	popd
 fi
-pushd "$final_path"
+pushd "$install_dir"
 	ynh_exec_warn_less ynh_exec_as $app php$phpversion artisan config:cache
 popd
 
-if ynh_version_gt "2.15.0" "${previous_version}" ; then
-	ynh_script_progression --message="Upgrading for 2.15.0..."
-	pushd "$final_path"
-		ynh_exec_warn_less ynh_exec_as $app php$phpversion artisan monica:moveavatarstophotosdirectory
-	popd
-fi
+#if ynh_version_gt "2.15.0" "${previous_version}" ; then
+#	ynh_script_progression --message="Upgrading for 2.15.0..."
+#	pushd "$install_dir"
+#		ynh_exec_warn_less ynh_exec_as $app php$phpversion artisan monica:moveavatarstophotosdirectory
+#	popd
+#fi
 
 # Calculate and store the config file checksum into the app settings
-ynh_store_file_checksum --file="$final_path/.env"
+ynh_store_file_checksum --file="$install_dir/.env"
 
-chmod 400 "$final_path/.env"
-chown $app:$app "$final_path/.env"
+chmod 400 "$install_dir/.env"
+chown $app:$app "$install_dir/.env"
 
 update-alternatives --set php /usr/bin/php${YNH_DEFAULT_PHP_VERSION}
 
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# 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/tests.toml b/tests.toml
new file mode 100644
index 0000000..242423a
--- /dev/null
+++ b/tests.toml
@@ -0,0 +1,5 @@
+test_format = 1.0
+
+[default]
+
+    test_upgrade_from.272460bc.name = "Upgrade from 3.7.0~ynh2"