diff --git a/README.md b/README.md
index 813c98e..cd5c78e 100755
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@ It shall NOT be edited by hand.
 # Shlink for YunoHost
 
 [![Integration level](https://dash.yunohost.org/integration/shlink.svg)](https://dash.yunohost.org/appci/app/shlink) ![Working status](https://ci-apps.yunohost.org/ci/badges/shlink.status.svg) ![Maintenance status](https://ci-apps.yunohost.org/ci/badges/shlink.maintain.svg)
+
 [![Install Shlink with YunoHost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=shlink)
 
 *[Lire ce readme en français.](./README_fr.md)*
diff --git a/README_fr.md b/README_fr.md
index 1521821..7de2c98 100755
--- a/README_fr.md
+++ b/README_fr.md
@@ -6,6 +6,7 @@ It shall NOT be edited by hand.
 # Shlink pour YunoHost
 
 [![Niveau d’intégration](https://dash.yunohost.org/integration/shlink.svg)](https://dash.yunohost.org/appci/app/shlink) ![Statut du fonctionnement](https://ci-apps.yunohost.org/ci/badges/shlink.status.svg) ![Statut de maintenance](https://ci-apps.yunohost.org/ci/badges/shlink.maintain.svg)
+
 [![Installer Shlink avec YunoHost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=shlink)
 
 *[Read this readme in english.](./README.md)*
diff --git a/check_process b/check_process
deleted file mode 100755
index 14106a2..0000000
--- a/check_process
+++ /dev/null
@@ -1,28 +0,0 @@
-;; Test complet
-	; Manifest
-		domain="domain.tld"
-		path="/path"
-		admin="john"
-		language="fr"
-		is_public=1
-		password="pass"
-	; Checks
-		pkg_linter=1
-		setup_sub_dir=0
-		setup_root=1
-		setup_nourl=0
-		setup_private=1
-		setup_public=1
-		upgrade=1
-		#upgrade=1	from_commit=CommitHash
-		backup_restore=1
-		multi_instance=1
-		change_url=1
-;;; Options
-Email=
-Notification=none
-;;; Upgrade options
-	; commit=CommitHash
-		name=Name and date of the commit.
-		manifest_arg=domain=DOMAIN&path=PATH&admin=USER&language=fr&is_public=1&password=pass&port=666&
-
diff --git a/conf/app.src b/conf/app.src
deleted file mode 100755
index d0ed1c0..0000000
--- a/conf/app.src
+++ /dev/null
@@ -1,6 +0,0 @@
-SOURCE_URL=https://github.com/shlinkio/shlink/releases/download/v3.4.0/shlink3.4.0_php8.1_dist.zip
-SOURCE_SUM=e37e91cd86a8d495952783d1eeb94f157ddfe42f50849a3c2f979b1f9d991963
-SOURCE_SUM_PRG=sha256sum
-SOURCE_FORMAT=zip
-SOURCE_IN_SUBDIR=true
-SOURCE_EXTRACT=true
diff --git a/conf/extra_php-fpm.conf b/conf/extra_php-fpm.conf
index 8bc4958..b3135a4 100755
--- a/conf/extra_php-fpm.conf
+++ b/conf/extra_php-fpm.conf
@@ -1,2 +1,5 @@
 ; Additional php.ini defines, specific to this pool of workers.
 
+php_admin_value[upload_max_filesize] = 50M
+
+php_admin_value[post_max_size] = 50M
diff --git a/conf/front.src b/conf/front.src
deleted file mode 100644
index 81d7033..0000000
--- a/conf/front.src
+++ /dev/null
@@ -1,6 +0,0 @@
-SOURCE_URL=https://github.com/shlinkio/shlink-web-client/releases/download/v3.7.3/shlink-web-client_3.7.3_dist.zip
-SOURCE_SUM=c843f34854a2b84fc63a8ba34073b8fe533962052feb01880bf0683846f2c612
-SOURCE_SUM_PRG=sha256sum
-SOURCE_FORMAT=zip
-SOURCE_IN_SUBDIR=true
-SOURCE_EXTRACT=true
\ No newline at end of file
diff --git a/conf/nginx.conf b/conf/nginx.conf
index dcd6992..1af796a 100755
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -2,12 +2,12 @@
 location __PATH__/ {
 
   # Path to source
-  alias __FINALPATH__/;
+  alias __INSTALL_DIR__/;
 
   index index.php index.html;
 
   # Common parameter to increase upload size limit in conjunction with dedicated php-fpm file
-  #client_max_body_size 50M;
+  client_max_body_size 50M;
 
   try_files $uri $uri/ /index.html$is_args$args;
 
diff --git a/doc/DISCLAIMER.md b/doc/DISCLAIMER.md
deleted file mode 100755
index e69de29..0000000
diff --git a/manifest.json b/manifest.json
deleted file mode 100755
index 6275332..0000000
--- a/manifest.json
+++ /dev/null
@@ -1,44 +0,0 @@
-{
-    "name": "Shlink",
-    "id": "shlink",
-    "packaging_format": 1,
-    "description": {
-        "en": "Self-hosted URL shortener",
-        "fr": "Raccourcisseur d'URL auto-hébergé"
-    },
-    "version": "3.4.0~ynh2",
-    "url": "https://shlink.io/",
-    "upstream": {
-        "license": "MIT",
-        "website": "https://shlink.io/",
-        "userdoc": "https://shlink.io/documentation/",
-        "code": "https://github.com/shlinkio/shlink"
-    },
-    "license": "MIT",
-    "maintainer": {
-        "name": "",
-        "email": ""
-    },
-    "requirements": {
-        "yunohost": ">= 11.0.9"
-    },
-    "multi_instance": true,
-    "services": [
-        "nginx",
-        "php8.1-fpm",
-        "mysql"
-    ],
-    "arguments": {
-        "install" : [
-            {
-                "name": "domain",
-                "type": "domain"
-            },
-            {
-                "name": "is_public",
-                "type": "boolean",
-                "default": true
-            }
-        ]
-    }
-}
diff --git a/manifest.toml b/manifest.toml
new file mode 100644
index 0000000..4f49cd2
--- /dev/null
+++ b/manifest.toml
@@ -0,0 +1,64 @@
+packaging_format = 2
+
+id = "shlink"
+name = "Shlink"
+description.en = "Self-hosted URL shortener"
+description.fr = "Raccourcisseur d'URL auto-hébergé"
+
+version = "3.4.0~ynh2"
+
+maintainers = []
+
+[upstream]
+license = "MIT"
+website = "https://shlink.io/"
+userdoc = "https://shlink.io/documentation/"
+code = "https://github.com/shlinkio/shlink"
+
+[integration]
+yunohost = ">= 11.1.19"
+architectures = "all"
+multi_instance = true
+ldap = false
+sso = false
+disk = "50M"
+ram.build = "50M"
+ram.runtime = "50M"
+
+[install]
+    [install.domain]
+    # this is a generic question - ask strings are automatically handled by Yunohost's core
+    type = "domain"
+    full_domain = true
+
+    [install.init_main_permission]
+    type = "group"
+    default = "visitors"
+
+[resources]
+    [resources.sources]
+        [resources.sources.front]
+        url = "https://github.com/shlinkio/shlink-web-client/releases/download/v3.7.3/shlink-web-client_3.7.3_dist.zip"
+        sha256 = "c843f34854a2b84fc63a8ba34073b8fe533962052feb01880bf0683846f2c612"
+
+        [resources.sources.main]
+        url = "https://github.com/shlinkio/shlink/releases/download/v3.4.0/shlink3.4.0_php8.1_dist.zip"
+        sha256 = "e37e91cd86a8d495952783d1eeb94f157ddfe42f50849a3c2f979b1f9d991963"
+
+
+    [resources.system_user]
+
+    [resources.install_dir]
+
+    [resources.permissions]
+    main.url = "/"
+    api.url = "/api"
+    api.allowed = "visitors"
+    api.how_tile = false
+    api.protected = true
+
+    [resources.apt]
+    packages = "postgresql php8.2-apcu php8.2-fpm php8.2-pgsql php8.2-gd php8.2-common php8.2-curl php8.2-intl php8.2-gmp php8.2-xml php8.2-json"
+
+    [resources.database]
+    type = "postgresql"
diff --git a/scripts/_common.sh b/scripts/_common.sh
index b4fac04..944a65e 100755
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,13 +4,6 @@
 # COMMON VARIABLES
 #=================================================
 
-YNH_PHP_VERSION="8.1"
-
-php_dependencies="php${YNH_PHP_VERSION}-apcu php${YNH_PHP_VERSION}-fpm php${YNH_PHP_VERSION}-pgsql php${YNH_PHP_VERSION}-gd php${YNH_PHP_VERSION}-common php${YNH_PHP_VERSION}-curl php${YNH_PHP_VERSION}-intl php${YNH_PHP_VERSION}-gmp php${YNH_PHP_VERSION}-xml php${YNH_PHP_VERSION}-json"
-
-# dependencies used by the app (must be on a single line)
-pkg_dependencies="postgresql $php_dependencies"
-
 #=================================================
 # PERSONAL HELPERS
 #=================================================
diff --git a/scripts/backup b/scripts/backup
index 51ed350..c75ba66 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -10,29 +10,6 @@
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# MANAGE SCRIPT FAILURE
-#=================================================
-
-ynh_clean_setup () {
-	### Remove this function if there's nothing to clean before calling the remove script.
-	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
 #=================================================
@@ -42,7 +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 ff06606..4ba8cf7 100755
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -9,94 +9,12 @@
 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=$app --key=final_path)
-
-#=================================================
-# BACKUP BEFORE CHANGE URL THEN ACTIVE TRAP
-#=================================================
-ynh_script_progression --message="Backing up the app before changing its URL (may take a while)..." --weight=1
-
-# Backup the current version of the app
-ynh_backup_before_upgrade
-ynh_clean_setup () {
-	# Remove the new domain config file, the remove script won't do it as it doesn't know yet its location.
-	ynh_secure_remove --file="/etc/nginx/conf.d/$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
-
 #=================================================
 # MODIFY URL IN NGINX CONF
 #=================================================
 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
-
-#=================================================
-# RELOAD NGINX
-#=================================================
-ynh_script_progression --message="Reloading NGINX web server..." --weight=1
-
-ynh_systemd_action --service_name=nginx --action=reload
+ynh_change_url_nginx_config
 
 #=================================================
 # END OF SCRIPT
diff --git a/scripts/install b/scripts/install
index 23c70c8..3874909 100755
--- a/scripts/install
+++ b/scripts/install
@@ -9,87 +9,24 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# MANAGE SCRIPT FAILURE
-#=================================================
-
-ynh_clean_setup () {
-	### Remove this function if there's nothing to clean before calling the remove script.
-	true
-}
-# Exit if an error occurs during the execution of the script
-ynh_abort_if_errors
-
 #=================================================
 # RETRIEVE ARGUMENTS FROM THE MANIFEST
 #=================================================
 
-domain=$YNH_APP_ARG_DOMAIN
-path_url="/"
-is_public=$YNH_APP_ARG_IS_PUBLIC
 key=$(ynh_string_random --length=36)
 
-app=$YNH_APP_INSTANCE_NAME
-
-#=================================================
-# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
-#=================================================
-ynh_script_progression --message="Validating installation parameters..." --weight=1
-
-final_path=/var/www/$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
-
-#=================================================
-# INSTALL DEPENDENCIES
-#=================================================
-ynh_script_progression --message="Installing dependencies..." --weight=3
-
-ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
-
-#=================================================
-# CREATE DEDICATED USER
-#=================================================
-ynh_script_progression --message="Configuring system user..." --weight=1
-
-# Create a system user
-ynh_system_user_create --username=$app --home_dir="$final_path"
-
-#=================================================
-# CREATE A MYSQL DATABASE
-#=================================================
-ynh_script_progression --message="Creating a PostgreSQL database..." --weight=2
-
-db_name=$(ynh_sanitize_dbid --db_name=$app)
-db_user=$db_name
-ynh_app_setting_set --app=$app --key=db_name --value=$db_name
-ynh_psql_test_if_first_run
-ynh_psql_setup_db --db_user=$db_user --db_name=$db_name
-
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
 ynh_script_progression --message="Setting up source files..." --weight=2
 
-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"
 
-ynh_setup_source --dest_dir="$final_path" --source_id="front"
+ynh_setup_source --dest_dir="$install_dir" --source_id="front"
 
-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
@@ -97,8 +34,7 @@ chown -R $app:www-data "$final_path"
 ynh_script_progression --message="Configuring PHP-FPM..." --weight=1
 
 # Create a dedicated PHP-FPM config
-ynh_add_fpm_config --usage="low" --footprint="low"
-phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
+ynh_add_fpm_config --usage=low --footprint=low
 
 #=================================================
 # NGINX CONFIGURATION
@@ -113,30 +49,10 @@ ynh_add_nginx_config
 #=================================================
 ynh_script_progression --message="Adding a configuration file..." --weight=2
 
-ynh_add_config --template="../conf/.env-sample" --destination="$final_path/.env"
+ynh_add_config --template="../conf/.env-sample" --destination="$install_dir/.env"
 
-chmod 400 "$final_path/.env"
-chown $app:$app "$final_path/.env"
-
-#=================================================
-# SETUP SSOWAT
-#=================================================
-ynh_script_progression --message="Configuring permissions..." --weight=1
-
-# Make app public if necessary
-if [ $is_public -eq 1 ]
-then
-	ynh_permission_update --permission="main" --add="visitors"
-fi
-
-ynh_permission_create --permission="api" --url="/api" --allowed="visitors" --show_tile="false" --protected="true"
-
-#=================================================
-# RELOAD NGINX
-#=================================================
-ynh_script_progression --message="Reloading NGINX web server..." --weight=1
-
-ynh_systemd_action --service_name=nginx --action=reload
+chmod 400 "$install_dir/.env"
+chown $app:$app "$install_dir/.env"
 
 #=================================================
 # END OF SCRIPT
diff --git a/scripts/remove b/scripts/remove
index 84a9870..61db822 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -9,35 +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=$app --key=domain)
-port=$(ynh_app_setting_get --app=$app --key=port)
-db_name=$(ynh_app_setting_get --app=$app --key=db_name)
-db_user=$db_name
-final_path=$(ynh_app_setting_get --app=$app --key=final_path)
-
-#=================================================
-# REMOVE THE MYSQL DATABASE
-#=================================================
-ynh_script_progression --message="Removing the PostgreSQL database..." --weight=2
-
-# Remove a database if it exists, along with the associated user
-ynh_psql_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
 #=================================================
@@ -46,32 +17,9 @@ ynh_script_progression --message="Removing NGINX web server configuration..." --
 # Remove the dedicated NGINX config
 ynh_remove_nginx_config
 
-#=================================================
-# REMOVE PHP-FPM CONFIGURATION
-#=================================================
-ynh_script_progression --message="Removing PHP-FPM configuration..." --weight=1
-
 # Remove the dedicated PHP-FPM config
 ynh_remove_fpm_config
 
-#=================================================
-# REMOVE DEPENDENCIES
-#=================================================
-ynh_script_progression --message="Removing dependencies..." --weight=4
-
-# Remove metapackage and its dependencies
-ynh_remove_app_dependencies
-
-#=================================================
-# 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 89cad6f..db6883f 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -10,68 +10,15 @@
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# MANAGE SCRIPT FAILURE
-#=================================================
-
-ynh_clean_setup () {
-	#### Remove this function if there's nothing to clean before calling the remove script.
-	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
-db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
-phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
-
-#=================================================
-# 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=3
 
-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"
-
-#=================================================
-# REINSTALL DEPENDENCIES
-#=================================================
-ynh_script_progression --message="Reinstalling dependencies..." --weight=1
-
-# Define and install dependencies
-ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
+chmod -R o-rwx "$install_dir"
+chown -R $app:www-data "$install_dir"
 
 #=================================================
 # RESTORE THE PHP-FPM CONFIGURATION
@@ -80,9 +27,6 @@ ynh_script_progression --message="Restoring the PHP-FPM configuration..." --weig
 
 ynh_restore_file --origin_path="/etc/php/$phpversion/fpm/pool.d/$app.conf"
 
-# Recreate a dedicated php-fpm config
-ynh_add_fpm_config --usage="low" --footprint="low" --phpversion=$phpversion
-
 #=================================================
 # RESTORE THE NGINX CONFIGURATION
 #=================================================
@@ -95,8 +39,6 @@ ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 #=================================================
 ynh_script_progression --message="Restoring the PostgreSQL database..." --weight=6
 
-ynh_psql_test_if_first_run
-ynh_psql_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
 ynh_psql_execute_file_as_root --file="./db.sql" --database=$db_name
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 02aaee0..a5b4b89 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -9,46 +9,12 @@
 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=$app --key=path)
-final_path=$(ynh_app_setting_get --app=$app --key=final_path)
-db_name=$(ynh_app_setting_get --app=$app --key=db_name)
-
 #=================================================
 # 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=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
-
-#=================================================
-# 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
 #=================================================
@@ -58,19 +24,11 @@ then
 	ynh_script_progression --message="Upgrading source files..." --weight=5
 
 	# 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"
 fi
 
-chmod 750 "$final_path"
-chmod -R o-rwx "$final_path"
-chown -R $app:www-data "$final_path"
-
-#=================================================
-# UPGRADE DEPENDENCIES
-#=================================================
-ynh_script_progression --message="Upgrading dependencies..." --weight=5
-
-ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
+chmod -R o-rwx "$install_dir"
+chown -R $app:www-data "$install_dir"
 
 #=================================================
 # PHP-FPM CONFIGURATION
@@ -78,8 +36,7 @@ ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
 ynh_script_progression --message="Upgrading PHP-FPM configuration..." --weight=1
 
 # Create a dedicated PHP-FPM config
-ynh_add_fpm_config --phpversion=$phpversion --usage="low" --footprint="low"
-phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
+ynh_add_fpm_config --usage="low" --footprint="low"
 
 #=================================================
 # NGINX CONFIGURATION
@@ -89,13 +46,6 @@ ynh_script_progression --message="Upgrading NGINX web server configuration..." -
 # Create a dedicated NGINX config
 ynh_add_nginx_config
 
-#=================================================
-# 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..eb73b8d
--- /dev/null
+++ b/tests.toml
@@ -0,0 +1,3 @@
+test_format = 1.0
+
+[default]
\ No newline at end of file