diff --git a/.github/workflows/updater.sh b/.github/workflows/updater.sh
deleted file mode 100755
index 2422a5e..0000000
--- a/.github/workflows/updater.sh
+++ /dev/null
@@ -1,136 +0,0 @@
-#!/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 a428021..9db2621 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ Turtl is a free online service that allows you to create, synchronize and find y
 - An open-source server allows you to host your own Turtl data
 
 
-**Shipped version:** 1.0~ynh2
+**Shipped version:** 1.0~ynh3
 
 ## Screenshots
 
diff --git a/README_fr.md b/README_fr.md
index 1073517..ef9ed29 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -38,7 +38,7 @@ Turtl is a free online service that allows you to create, synchronize and find y
 - An open-source server allows you to host your own Turtl data
 
 
-**Version incluse :** 1.0~ynh2
+**Version incluse :** 1.0~ynh3
 
 ## Captures d’écran
 
diff --git a/check_process b/check_process
deleted file mode 100644
index a57fd19..0000000
--- a/check_process
+++ /dev/null
@@ -1,23 +0,0 @@
-;; Test complet
-	; Manifest
-		domain="domain.tld"
-		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
-		#upgrade=1	from_commit=CommitHash
-		backup_restore=1
-		multi_instance=0
-		port_already_use=0
-		change_url=0
-;;; Options
-Email=
-Notification=none
-;;; Upgrade options
-	; commit=CommitHash
-		name=Name and date of the commit.
diff --git a/conf/app.src b/conf/app.src
deleted file mode 100644
index b0f784b..0000000
--- a/conf/app.src
+++ /dev/null
@@ -1,7 +0,0 @@
-SOURCE_URL=https://codeload.github.com/turtl/server/tar.gz/0e59ee0a47fc5937600999d14ceb1aca6392aec8
-SOURCE_SUM=be1482756fed2fc80dd8592049c2282727439c883eae732844a6e30856eb55da
-SOURCE_SUM_PRG=sha256sum
-SOURCE_FORMAT=tar.gz
-SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=
-SOURCE_EXTRACT=true
diff --git a/conf/config.yaml.default b/conf/config.yaml.default
index 326d0e1..aad462c 100644
--- a/conf/config.yaml.default
+++ b/conf/config.yaml.default
@@ -42,7 +42,7 @@ sync:
   max_bulk_sync_records: 32
 
 plugins:
-  plugin_location: '__FINALPATH__/plugins'
+  plugin_location: '__INSTALL_DIR__/plugins'
   # each key here corresponds to a folder name in the plugins folder, so `email`
   # below would be a plugin at /var/www/turtl/server/plugins/email (see the
   # example-plugins/ folder for an email plugin you can use)
@@ -54,7 +54,7 @@ plugins:
 uploads:
   # if set to a path, files will be uploaded to the local filesystem instead of
   # S3. otherwise, set to false
-  local: '__DATADIR__'
+  local: '__DATA_DIR__'
   # if true, downloading local files will be proxied through the turtl server.
   # this avoids needing to set up any CORS config in your favorite webserver,
   # but may slightly affect performance on high-demand servers.
diff --git a/conf/systemd.service b/conf/systemd.service
index 97f64d6..77f84c6 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -7,9 +7,9 @@ After=network.target postgresql.service
 Type=simple
 User=__APP__
 Group=__APP__
-WorkingDirectory=__FINALPATH__/
+WorkingDirectory=__INSTALL_DIR__/
 Environment="PATH=__PATH__"
-ExecStart=__YNH_NODE__ __FINALPATH__/server.js
+ExecStart=__YNH_NODE__ __INSTALL_DIR__/server.js
 StandardOutput=syslog
 StandardError=syslog
 SyslogIdentifier=__APP__
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 100644
index 855c7ee..0000000
--- a/manifest.json
+++ /dev/null
@@ -1,43 +0,0 @@
-{
-    "name": "Turtl",
-    "id": "turtl",
-    "packaging_format": 1,
-    "description": {
-        "en": "Share notes, bookmarks, and documents for sensitive projects",
-        "fr": "Partagez des notes, des marque-pages et autre documents pour des projets sensibles"
-    },
-    "version": "1.0~ynh2",
-    "url": "https://turtlapp.com",
-    "upstream": {
-        "license": "MIT",
-        "website": "https://turtlapp.com",
-        "admindoc": "https://turtlapp.com/docs/",
-        "code": "https://github.com/turtl/server"
-    },
-    "license": "MIT",
-    "maintainer": {
-        "name": "Luc Didry",
-        "email": "luc@framasoft.org",
-        "url": "https://framasoft.org"
-    },
-    "requirements": {
-        "yunohost": ">= 11.0.9"
-    },
-    "multi_instance": false,
-    "services": [
-        "nginx"
-    ],
-    "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..e4c185b
--- /dev/null
+++ b/manifest.toml
@@ -0,0 +1,59 @@
+packaging_format = 2
+
+id = "turtl"
+name = "Turtl"
+description.en = "Share notes, bookmarks, and documents for sensitive projects"
+description.fr = "Partagez des notes, des marque-pages et autre documents pour des projets sensibles"
+
+version = "1.0~ynh3"
+
+maintainers = []
+
+[upstream]
+license = "MIT"
+website = "https://turtlapp.com"
+admindoc = "https://turtlapp.com/docs/"
+code = "https://github.com/turtl/server"
+
+[integration]
+yunohost = ">= 11.2"
+architectures = "all"
+multi_instance = false
+
+ldap = false
+
+sso = false
+
+disk = "50M"
+ram.build = "50M"
+ram.runtime = "50M"
+
+[install]
+    [install.domain]
+    type = "domain"
+
+    [install.init_main_permission]
+    type = "group"
+    default = "visitors"
+
+[resources]
+        [resources.sources.main]
+        url = "https://codeload.github.com/turtl/server/tar.gz/0e59ee0a47fc5937600999d14ceb1aca6392aec8"
+        sha256 = "be1482756fed2fc80dd8592049c2282727439c883eae732844a6e30856eb55da"
+
+    [resources.system_user]
+
+    [resources.install_dir]
+
+    [resources.data_dir]
+
+    [resources.permissions]
+    main.url = "/"
+
+    [resources.apt]
+    packages = "postgresql, postgresql-contrib"
+
+    [resources.database]
+    type = "postgresql"
+    
+    [resources.ports]
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 4b296a4..7810714 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,9 +4,6 @@
 # COMMON VARIABLES
 #=================================================
 
-# dependencies used by the app
-pkg_dependencies="postgresql postgresql-contrib"
-
 nodejs_version=14
 version_commit=0e59ee0a47fc5937600999d14ceb1aca6392aec8
 
diff --git a/scripts/backup b/scripts/backup
index 9b35dbc..f596c2f 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 () {
-	ynh_clean_check_starting
-}
-# 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=$app --key=db_name)
-datadir=$(ynh_app_setting_get --app=$app --key=datadir)
-
 #=================================================
 # DECLARE DATA AND CONF FILES TO BACKUP
 #=================================================
@@ -41,13 +19,13 @@ 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 DATA DIR
 #=================================================
 
-ynh_backup --src_path="$datadir" --is_big
+ynh_backup --src_path="$data_dir" --is_big
 
 #=================================================
 # BACKUP THE NGINX CONFIGURATION
diff --git a/scripts/install b/scripts/install
index 483956d..8cd75df 100755
--- a/scripts/install
+++ b/scripts/install
@@ -9,161 +9,70 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# MANAGE SCRIPT FAILURE
-#=================================================
-
-ynh_clean_setup () {
-	ynh_clean_check_starting
-}
-# 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
-
 hash=$(ynh_string_random --length=128)
 
-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
-
-#=================================================
-# FIND AND OPEN A PORT
-#=================================================
-ynh_script_progression --message="Finding an available port..." --weight=2
-
-# Find an available port
-port=$(ynh_find_port --port=8181)
-ynh_app_setting_set --app=$app --key=port --value=$port
-
 #=================================================
 # INSTALL DEPENDENCIES
 #=================================================
 ynh_script_progression --message="Installing dependencies..." --weight=20
 
-ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
 ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$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"
-
-#=================================================
-# CREATE A POSTGRESQL 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=3
 
-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"
 
-mkdir -p $final_path/plugins
+mkdir -p $install_dir/plugins
 
-chmod 700 $final_path/plugins
-chown $app:$app $final_path/plugins
+chmod 700 $install_dir/plugins
+chown $app:$app $install_dir/plugins
 
-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"
 
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
-ynh_script_progression --message="Configuring NGINX web server..." --weight=1
+ynh_script_progression --message="Adding system configurations related to $app..." --weight=1
 
 # Create a dedicated NGINX config
 ynh_add_nginx_config
 
+# Create a dedicated systemd config
+ynh_add_systemd_config
+
+yunohost service add $app --description="Share notes, bookmarks, and documents" --log="/var/log/$app/$app.log"
+
 #=================================================
 # SPECIFIC SETUP
 #=================================================
 # BUILD TURTLE
 #=================================================
-ynh_script_progression --message="Building turtl... (this will take some time and resources!)" --weight=20
+ynh_script_progression --message="Building $app..." --weight=20
 
-pushd $final_path
+pushd $install_dir
     ynh_use_nodejs
-    ynh_exec_as $app env $ynh_node_load_PATH npm install --unsafe-perm 2>/dev/null
+    ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH $ynh_npm install --unsafe-perm
 popd
 
-#=================================================
-# CREATE DATA DIRECTORY
-#=================================================
-ynh_script_progression --message="Creating a data directory..." --weight=2
-
-datadir=/home/yunohost.app/$app
-ynh_app_setting_set --app=$app --key=datadir --value=$datadir
-
-mkdir -p $datadir
-
-chmod 750 "$datadir"
-chmod -R o-rwx "$datadir"
-chown -R $app:www-data "$datadir"
-
 #=================================================
 # ADD A CONFIGURATION
 #=================================================
 ynh_script_progression --message="Adding a configuration file..." --weight=1
 
-ynh_add_config --template="../conf/config.yaml.default" --destination="$final_path/config/config.yaml"
+ynh_add_config --template="config.yaml.default" --destination="$install_dir/config/config.yaml"
 
-chmod 400 "$final_path/config/config.yaml"
-chown $app:$app "$final_path/config/config.yaml"
-
-#=================================================
-# SETUP SYSTEMD
-#=================================================
-ynh_script_progression --message="Configuring a systemd service..." --weight=2
-
-# Create a dedicated systemd config
-ynh_add_systemd_config
-
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# INTEGRATE SERVICE IN YUNOHOST
-#=================================================
-ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
-
-yunohost service add $app --description="Share notes, bookmarks, and documents"
+chmod 400 "$install_dir/config/config.yaml"
+chown $app:$app "$install_dir/config/config.yaml"
 
 #=================================================
 # START SYSTEMD SERVICE
@@ -173,26 +82,6 @@ ynh_script_progression --message="Starting a systemd service..." --weight=5
 # Start a systemd service
 ynh_systemd_action --service_name=$app --action="start" --log_path=systemd --line_match="Listening for turtls on IP"
 
-#=================================================
-# 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 5439bf7..17d36d3 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -9,24 +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=$app --key=domain)
-db_name=$(ynh_app_setting_get --app=$app --key=db_name)
-db_user=$db_name
-final_path=$(ynh_app_setting_get --app=$app --key=final_path)
-datadir=$(ynh_app_setting_get --app=$app --key=datadir)
-
 #=================================================
 # STANDARD REMOVE
 #=================================================
 # REMOVE SERVICE INTEGRATION IN YUNOHOST
 #=================================================
+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
@@ -35,67 +23,12 @@ then
 	yunohost service remove $app
 fi
 
-#=================================================
-# STOP AND REMOVE SERVICE
-#=================================================
-ynh_script_progression --message="Stopping and removing the systemd service..." --weight=1
-
 # Remove the dedicated systemd config
 ynh_remove_systemd_config
 
-#=================================================
-# REMOVE THE POSTGRESQL  DATABASE
-#=================================================
-ynh_script_progression --message="Removing the PostgreSQL database..." --weight=1
-
-# 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=2
-
-# Remove the app directory securely
-ynh_secure_remove --file="$final_path"
-
-#=================================================
-# REMOVE DATA DIR
-#=================================================
-
-# Remove the data directory if --purge option is used
-if [ "${YNH_APP_PURGE:-0}" -eq 1 ]
-then
-	ynh_script_progression --message="Removing app data directory..." --weight=1
-	ynh_secure_remove --file="$datadir"
-fi
-
-#=================================================
-# REMOVE NGINX CONFIGURATION
-#=================================================
-ynh_script_progression --message="Removing NGINX web server configuration..." --weight=1
-
 # Remove the dedicated NGINX config
 ynh_remove_nginx_config
 
-#=================================================
-# REMOVE DEPENDENCIES
-#=================================================
-ynh_script_progression --message="Removing dependencies..." --weight=3
-
-# 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 d8dc82c..207cdca 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -10,78 +10,24 @@
 source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# MANAGE SCRIPT FAILURE
-#=================================================
-
-ynh_clean_setup () {
-	ynh_clean_check_starting
-}
-# 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
-datadir=$(ynh_app_setting_get --app=$app --key=datadir)
-
-#=================================================
-# 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=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"
+chmod -R o-rwx "$install_dir"
+chown -R $app:www-data "$install_dir"
 
 #=================================================
 # RESTORE THE DATA DIRECTORY
 #=================================================
 ynh_script_progression --message="Restoring the data directory..." --weight=1
 
-ynh_restore_file --origin_path="$datadir" --not_mandatory
+ynh_restore_file --origin_path="$data_dir" --not_mandatory
 
-mkdir -p $datadir
-
-chmod 750 "$datadir"
-chmod -R o-rwx "$datadir"
-chown -R $app:www-data "$datadir"
+chown -R $app:www-data "$data_dir"
 
 #=================================================
 # SPECIFIC RESTORATION
@@ -90,7 +36,6 @@ chown -R $app:www-data "$datadir"
 #=================================================
 ynh_script_progression --message="Reinstalling dependencies..." --weight=20
 
-ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
 ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
 
 #=================================================
@@ -98,25 +43,19 @@ ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
 #=================================================
 ynh_script_progression --message="Restoring the PostgreSQL database..." --weight=6
 
-ynh_psql_test_if_first_run
-db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
-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
+ynh_psql_connect_as --user=$db_user --password=$db_pwd --database=$db_name < ./db.sql
 
 #=================================================
 # RESTORE SYSTEMD
 #=================================================
 ynh_script_progression --message="Restoring the systemd configuration..." --weight=1
 
+ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
+
 ynh_restore_file --origin_path="/etc/systemd/system/$app.service"
 systemctl enable $app.service --quiet
 
-#=================================================
-# INTEGRATE SERVICE IN YUNOHOST
-#=================================================
-ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
-
-yunohost service add $app --description="Share notes, bookmarks, and documents"
+yunohost service add $app --description="Share notes, bookmarks, and documents" --log="/var/log/$app/$app.log"
 
 #=================================================
 # START SYSTEMD SERVICE
@@ -125,13 +64,6 @@ ynh_script_progression --message="Starting a systemd service..." --weight=5
 
 ynh_systemd_action --service_name=$app --action="start" --log_path=systemd --line_match="Listening for turtls on IP"
 
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# RELOAD NGINX AND PHP-FPM
-#=================================================
-ynh_script_progression --message="Reloading NGINX web server..." --weight=1
-
 ynh_systemd_action --service_name=nginx --action=reload
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 5ca6dc6..9003a7d 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -9,42 +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=$app --key=db_name)
-db_user=$db_name
-db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
-port=$(ynh_app_setting_get --app=$app --key=port)
-
 #=================================================
 # 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 () {
-	ynh_clean_check_starting
-	# 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
 #=================================================
@@ -54,26 +24,6 @@ ynh_script_progression --message="Stopping a systemd service..." --weight=1
 
 ynh_systemd_action --service_name=$app --action="stop" --log_path=systemd --line_match="Stopped Turtl Server"
 
-#=================================================
-# ENSURE DOWNWARD COMPATIBILITY
-#=================================================
-ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
-
-# 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
 #=================================================
@@ -83,45 +33,26 @@ then
 	ynh_script_progression --message="Upgrading source files..." --weight=2
 
 	# 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"
+chmod -R o-rwx "$install_dir"
+chown -R $app:www-data "$install_dir"
 
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
-ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=2
+ynh_script_progression --message="Upgrading system configurations related to $app..." --weight=1
 
 # Create a dedicated NGINX config
 ynh_add_nginx_config
 
-#=================================================
-# UPGRADE DEPENDENCIES
-#=================================================
-ynh_script_progression --message="Upgrading dependencies..." --weight=20
-
-ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
 ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
 
-#=================================================
-# SETUP SYSTEMD
-#=================================================
-ynh_script_progression --message="Upgrading systemd configuration..." --weight=1
-
 # Create a dedicated systemd config
 ynh_add_systemd_config
 
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# INTEGRATE SERVICE IN YUNOHOST
-#=================================================
-ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
-
-yunohost service add $app --description="Share notes, bookmarks, and documents"
+yunohost service add $app --description="Share notes, bookmarks, and documents" --log="/var/log/$app/$app.log"
 
 #=================================================
 # START SYSTEMD SERVICE
@@ -130,13 +61,6 @@ ynh_script_progression --message="Starting a systemd service..." --weight=5
 
 ynh_systemd_action --service_name=$app --action="start" --log_path=systemd --line_match="Listening for turtls on IP"
 
-#=================================================
-# 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..69d91e1
--- /dev/null
+++ b/tests.toml
@@ -0,0 +1,10 @@
+test_format = 1.0
+
+[default]
+
+    # ------------
+    # Tests to run
+    # ------------
+
+    exclude = ["change_url"]
+    
\ No newline at end of file