diff --git a/README.md b/README.md
index 64a7cb9..53a13c8 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ Excalidraw is a virtual collaborative whiteboard tool that lets you easily sketc
 
 ## Screenshots
 
-![Screenshot of Excalidraw](./doc/screenshots/Wzz6UELRpcvkKZQtmVmc.png)
+![Screenshot of Excalidraw](./doc/screenshots/screenshot.png)
 
 ## Documentation and resources
 
diff --git a/README_fr.md b/README_fr.md
index 64015b2..2e7acae 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -25,7 +25,7 @@ Excalidraw est un outil de tableau blanc collaboratif virtuel qui vous permet d'
 
 ## Captures d’écran
 
-![Capture d’écran de Excalidraw](./doc/screenshots/Wzz6UELRpcvkKZQtmVmc.png)
+![Capture d’écran de Excalidraw](./doc/screenshots/screenshot.png)
 
 ## Documentations et ressources
 
diff --git a/conf/app.src b/conf/app.src
index 8f44e58..70594d6 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://github.com/excalidraw/excalidraw/archive/refs/tags/v0.11.0.tar.gz
-SOURCE_SUM=24b0a94b93b82844f53d9c2372990d1e2a3a820a28e2c1b21e07099b6569b8c4
+SOURCE_URL=https://github.com/excalidraw/excalidraw/archive/refs/tags/v0.14.2.tar.gz
+SOURCE_SUM=cb692d49d87b7809bda40a99490b6937a30f0457dca2a4b994055e327129408a
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
diff --git a/conf/nginx.conf b/conf/nginx.conf
index c6d27d9..2b495bc 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -2,7 +2,7 @@
 location __PATH__/ {
 
   # Path to source
-  alias __FINALPATH__/live/;
+  alias __INSTALL_DIR__/live/;
 
   index index.html;
 
diff --git a/doc/screenshots/Wzz6UELRpcvkKZQtmVmc.png b/doc/screenshots/screenshot.png
similarity index 100%
rename from doc/screenshots/Wzz6UELRpcvkKZQtmVmc.png
rename to doc/screenshots/screenshot.png
diff --git a/manifest.json b/manifest.json
deleted file mode 100644
index a006269..0000000
--- a/manifest.json
+++ /dev/null
@@ -1,41 +0,0 @@
-{
-    "name": "Excalidraw",
-    "id": "excalidraw",
-    "packaging_format": 1,
-    "description": {
-        "en": "Virtual whiteboard for sketching hand-drawn like diagrams",
-        "fr": "Tableau blanc collaboratif virtuel qui vous permet d'esquisser facilement des diagrammes"
-    },
-    "version": "0.14.2~ynh1",
-    "url": "https://excalidraw.com/",
-    "upstream": {
-        "license": "MIT",
-        "website": "https://excalidraw.com",
-        "demo": "https://excalidraw.com",
-        "code": "https://github.com/excalidraw/excalidraw"
-    },
-    "license": "MIT",
-    "maintainer": {
-        "name": ""
-    },
-    "requirements": {
-        "yunohost": ">= 11.1.12"
-    },
-    "multi_instance": true,
-    "services": [
-        "nginx"
-    ],
-    "arguments": {
-        "install": [
-            {
-                "name": "domain",
-                "type": "domain"
-            },
-            {
-                "name": "is_public",
-                "type": "boolean",
-                "default": true
-            }
-        ]
-    }
-}
diff --git a/manifest.toml b/manifest.toml
new file mode 100644
index 0000000..4873079
--- /dev/null
+++ b/manifest.toml
@@ -0,0 +1,51 @@
+packaging_format = 2
+
+id = "excalidraw"
+name = "Excalidraw"
+description.en = "Virtual whiteboard for sketching hand-drawn like diagrams"
+description.fr = "Tableau blanc collaboratif virtuel qui vous permet d'esquisser facilement des diagrammes"
+
+version = "0.14.2~ynh1"
+
+maintainers = []
+
+[upstream]
+license = "MIT"
+website = "https://excalidraw.com"
+demo = "https://excalidraw.com"
+code = "https://github.com/excalidraw/excalidraw"
+
+[integration]
+yunohost = ">= 11.1.12"
+architectures = "all"
+multi_instance = true
+ldap = false
+sso = false
+disk = "50M"
+ram.build = "50M"
+ram.runtime = "50M"
+
+[install]
+    [install.domain]
+    type = "domain"
+    full_domain = true
+
+    [install.init_main_permission]
+    type = "group"
+    default = "visitors"
+
+[resources]
+    [resources.system_user]
+
+    [resources.install_dir]
+
+    [resources.permissions]
+    main.url = "/"
+
+    [resources.apt]
+    packages = "apt-transport-https"
+    
+    # (this part is optional and corresponds to the legacy ynh_install_extra_app_dependencies helper)
+    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"
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 95354b9..b818f0f 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,9 +4,6 @@
 # COMMON VARIABLES
 #=================================================
 
-# dependencies used by the app
-pkg_dependencies="apt-transport-https"
-
 nodejs_version=16
 
 #=================================================
diff --git a/scripts/backup b/scripts/backup
index 13af146..52eea5b 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -10,26 +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)
-
 #=================================================
 # DECLARE DATA AND CONF FILES TO BACKUP
 #=================================================
@@ -39,7 +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 3ceda11..23e3e63 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -6,63 +6,8 @@
 # IMPORT GENERIC HELPERS
 #=================================================
 
-source _common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# RETRIEVE ARGUMENTS
-#=================================================
-
-old_domain=$YNH_APP_OLD_DOMAIN
-old_path=$YNH_APP_OLD_PATH
-
-new_domain=$YNH_APP_NEW_DOMAIN
-new_path="/"
-
-app=$YNH_APP_INSTANCE_NAME
-
-#=================================================
-# LOAD SETTINGS
-#=================================================
-ynh_script_progression --message="Loading installation settings..." --weight=1
-
-# Needed for helper "ynh_add_nginx_config"
-final_path=$(ynh_app_setting_get --app=$app --key=final_path)
-
-#=================================================
-# BACKUP BEFORE CHANGE URL THEN ACTIVE TRAP
-#=================================================
-ynh_script_progression --message="Backing up the app before changing its URL (may take a while)..."
-
-# Backup the current version of the app
-ynh_backup_before_upgrade
-ynh_clean_setup () {
-	ynh_clean_check_starting
-	# 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
 #=================================================
@@ -70,38 +15,7 @@ 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
-
-#=================================================
-# GENERIC FINALISATION
-#=================================================
-# 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 e1a383f..f9f7cfb 100644
--- a/scripts/install
+++ b/scripts/install
@@ -9,45 +9,6 @@
 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
-
-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=2
-
-ynh_app_setting_set --app=$app --key=domain --value=$domain
-ynh_app_setting_set --app=$app --key=path --value=$path_url
-
 #=================================================
 # STANDARD MODIFICATIONS
 #=================================================
@@ -55,30 +16,18 @@ ynh_app_setting_set --app=$app --key=path --value=$path_url
 #=================================================
 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
-ynh_exec_warn_less 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=3
-
-# Create a system user
-ynh_system_user_create --username=$app --home_dir="$final_path"
 
 #=================================================
 # 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="$final_path/build"
+ynh_setup_source --dest_dir="$install_dir/build"
 
-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
@@ -97,40 +46,18 @@ ynh_script_progression --message="Building app... (this will take some time and
 
 ynh_use_nodejs
 
-pushd "$final_path/build"
+pushd "$install_dir/build"
 	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn install --ignore-optional
 	ynh_exec_warn_less ynh_exec_as $app env NODE_ENV=production $ynh_node_load_PATH yarn build
 	ynh_exec_warn_less ynh_exec_as $app env NODE_ENV=production $ynh_node_load_PATH yarn cache clean --all
 popd
 
-ynh_exec_as $app mv "$final_path/build/build" "$final_path/live"
-ynh_secure_remove --file="$final_path/build"
+ynh_exec_as $app mv "$install_dir/build/build" "$install_dir/live"
+ynh_secure_remove --file="$install_dir/build"
 
-chmod 750 "$final_path"
-chmod -R o-rwx "$final_path"
-chown -R $app:www-data "$final_path"
-
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# SETUP SSOWAT
-#=================================================
-ynh_script_progression --message="Configuring permissions..." --weight=1
-
-# Make app public if necessary
-if [ $is_public -eq 1 ]
-then
-	# Everyone can access the app.
-	# The "main" permission is automatically created before the install script.
-	ynh_permission_update --permission="main" --add="visitors"
-fi
-
-#=================================================
-# RELOAD NGINX
-#=================================================
-ynh_script_progression --message="Reloading NGINX web server..." --weight=2
-
-ynh_systemd_action --service_name=nginx --action=reload
+chmod 750 "$install_dir"
+chmod -R o-rwx "$install_dir"
+chown -R $app:www-data "$install_dir"
 
 #=================================================
 # END OF SCRIPT
diff --git a/scripts/remove b/scripts/remove
index e9a1078..3d79a33 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -9,26 +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=$app --key=domain)
-final_path=$(ynh_app_setting_get --app=$app --key=final_path)
-
-#=================================================
-# STANDARD REMOVE
-#=================================================
-# REMOVE APP MAIN DIR
-#=================================================
-ynh_script_progression --message="Removing app main directory..." --weight=6
-
-# Remove the app directory securely
-ynh_secure_remove --file="$final_path"
-
 #=================================================
 # REMOVE NGINX CONFIGURATION
 #=================================================
@@ -42,19 +22,7 @@ ynh_remove_nginx_config
 #=================================================
 ynh_script_progression --message="Removing dependencies..." --weight=1
 
-# Remove metapackage and its dependencies
 ynh_remove_nodejs
-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 27442a9..0416fae 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -10,35 +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_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)
-
-#=================================================
-# CHECK IF THE APP CAN BE RESTORED
-#=================================================
-ynh_script_progression --message="Validating restoration parameters..." --weight=2
-
-test ! -d $final_path \
-	|| ynh_die --message="There is already a directory: $final_path "
-
 #=================================================
 # STANDARD RESTORATION STEPS
 #=================================================
@@ -48,33 +19,22 @@ ynh_script_progression --message="Restoring the NGINX web server configuration..
 
 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=60
 
-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"
 
 #=================================================
 # REINSTALL DEPENDENCIES
 #=================================================
 ynh_script_progression --message="Reinstalling dependencies..." --weight=10
 
-ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
 ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
-ynh_exec_warn_less ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ stable main" --package="yarn" --key="https://dl.yarnpkg.com/debian/pubkey.gpg"
 
 #=================================================
 # GENERIC FINALIZATION
diff --git a/scripts/upgrade b/scripts/upgrade
index 5b1fe59..d0fa5bb 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -9,39 +9,12 @@
 source _common.sh
 source /usr/share/yunohost/helpers
 
-#=================================================
-# LOAD SETTINGS
-#=================================================
-ynh_script_progression --message="Loading installation settings..." --weight=2
-
-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)
-
 #=================================================
 # CHECK VERSION
 #=================================================
-ynh_script_progression --message="Checking 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=20
-
-# 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
 #=================================================
@@ -62,14 +35,6 @@ ynh_remove_systemd_config
 # Remove the app-specific logrotate config
 ynh_remove_logrotate
 
-#=================================================
-# 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
 #=================================================
@@ -77,11 +42,10 @@ ynh_system_user_create --username=$app --home_dir="$final_path"
 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="$final_path/build"
+ynh_setup_source --dest_dir="$install_dir/build"
 
-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
@@ -96,9 +60,7 @@ ynh_add_nginx_config
 #=================================================
 ynh_script_progression --message="Upgrading dependencies..." --weight=18
 
-ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
 ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
-ynh_exec_warn_less ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ stable main" --package="yarn" --key="https://dl.yarnpkg.com/debian/pubkey.gpg"
 
 #=================================================
 # SPECIFIC UPGRADE
@@ -107,29 +69,20 @@ ynh_exec_warn_less ynh_install_extra_app_dependencies --repo="deb https://dl.yar
 #=================================================
 ynh_script_progression --message="Building app... (this will take some time and resources!)" --weight=40
 
-pushd "$final_path/build"
+pushd "$install_dir/build"
 	ynh_use_nodejs
 	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn install --ignore-optional
 	ynh_exec_warn_less ynh_exec_as $app env NODE_ENV=production $ynh_node_load_PATH yarn build
 	ynh_exec_warn_less ynh_exec_as $app env NODE_ENV=production $ynh_node_load_PATH yarn cache clean --all
 popd
 
-ynh_secure_remove --file="$final_path/live"
-ynh_exec_as $app mv "$final_path/build/build" "$final_path/live"
-ynh_secure_remove --file="$final_path/build"
+#REMOVEME? ynh_secure_remove --file="$install_dir/live"
+ynh_exec_as $app mv "$install_dir/build/build" "$install_dir/live"
+#REMOVEME? ynh_secure_remove --file="$install_dir/build"
 
-chmod 750 "$final_path"
-chmod -R o-rwx "$final_path"
-chown -R $app:www-data "$final_path"
-
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# RELOAD NGINX
-#=================================================
-ynh_script_progression --message="Reloading NGINX web server..." --weight=1
-
-ynh_systemd_action --service_name=nginx --action=reload
+chmod 750 "$install_dir"
+chmod -R o-rwx "$install_dir"
+chown -R $app:www-data "$install_dir"
 
 #=================================================
 # 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