diff --git a/conf/nginx.conf b/conf/nginx.conf
index ec06c8e..3093431 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -2,7 +2,7 @@
 location __PATH__/ {
 
     # Path to source
-    alias __FINALPATH__/;
+    alias __INSTALL_DIR__/;
 
     index index.html;
 
diff --git a/manifest.json b/manifest.json
deleted file mode 100644
index 914f216..0000000
--- a/manifest.json
+++ /dev/null
@@ -1,58 +0,0 @@
-{
-    "name": "Hello World",
-    "id": "helloworld",
-    "packaging_format": 1,
-    "version": "0.1~ynh1",
-    "description": {
-        "en": "A dummy basic app to illustrate YunoHost's app packaging.",
-        "fr": "Une app simple et bidon pour illustrer comme le packaging d'app de YunoHost fonctionne"
-    },
-    "license": "WTFPL",
-    "maintainer": {
-        "name": "alexAubin",
-        "email": "alex.aubin@mailoo.org"
-    },
-    "requirements": {
-        "yunohost": ">= 3.6.0"
-    },
-    "multi_instance": false,
-    "services": [
-        "nginx"
-    ],
-    "arguments": {
-        "install" : [
-            {
-                "name": "domain",
-                "type": "domain",
-                "ask": {
-                    "en": "Choose a domain for HelloWorld",
-                    "fr": "Choisissez un domaine pour HelloWorld"
-                },
-                "example": "domain.tld"
-            },
-            {
-                "name": "path",
-                "type": "path",
-                "ask": {
-                    "en": "Choose a path for HelloWorld",
-                    "fr": "Choisissez un chemin pour HelloWorld"
-                },
-                "example": "/helloworld",
-                "default": "/helloworld"
-            },
-            {
-                "name": "is_public",
-                "type": "boolean",
-                "ask": {
-                    "en": "Is it a public application?",
-                    "fr": "Est-ce une application publique ?"
-                },
-                "help": {
-                    "en": "A private app will only be accessible to logged-in users",
-                    "fr": "Une app privée sera seulement accessible aux utilisateurs connectés"
-                },
-                "default": true
-            }
-        ]
-    }
-}
diff --git a/manifest.toml b/manifest.toml
new file mode 100644
index 0000000..a271292
--- /dev/null
+++ b/manifest.toml
@@ -0,0 +1,47 @@
+packaging_format = 2
+
+id = "helloworld"
+name = "Hello World"
+description.en = "A dummy basic app to illustrate YunoHost's app packaging."
+description.fr = "Une app simple et bidon pour illustrer comme le packaging d'app de YunoHost fonctionne"
+
+version = "0.1~ynh1"
+
+maintainers = ["alexAubin"]
+
+[upstream]
+license = "WTFPL"
+
+[integration]
+yunohost = ">= 3.6.0"
+architectures = "all"
+multi_instance = false
+ldap = "not_relevant"
+sso = "not_relevant"
+disk = "1M"
+ram.build = "1M"
+ram.runtime = "1M"
+
+[install]
+    [install.domain]
+    # this is a generic question - ask strings are automatically handled by Yunohost's core
+    type = "domain"
+
+    [install.path]
+    # this is a generic question - ask strings are automatically handled by Yunohost's core
+    type = "path"
+    default = "/helloworld"
+
+    [install.init_main_permission]
+    help.en = "A private app will only be accessible to logged-in users"
+    help.fr = "Une app privée sera seulement accessible aux utilisateurs connectés"
+    type = "group"
+    default = "visitors"
+
+[resources]
+    [resources.system_user]
+
+    [resources.install_dir]
+
+    [resources.permissions]
+    main.url = "/"
diff --git a/scripts/install b/scripts/install
index a3454c8..4bfa064 100644
--- a/scripts/install
+++ b/scripts/install
@@ -1,59 +1,15 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC START
-#=================================================
-# IMPORT GENERIC HELPERS
-#=================================================
-
 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
-#=================================================
-
-app=$YNH_APP_INSTANCE_NAME
-domain=$YNH_APP_ARG_DOMAIN
-path_url=$YNH_APP_ARG_PATH
-is_public=$YNH_APP_ARG_IS_PUBLIC
-
-# Final path is the classic name for "where we will put the source of the app"
-final_path=/var/www/$app
-
-#=================================================
-# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
-#=================================================
-ynh_script_progression --message="Validating installation parameters..." --weight=1
-
-# Check final_path availability
-test ! -e "$final_path" || ynh_die "$final_path already exists, aborting"
-
-# Register (book) the web path
-ynh_webpath_register $app $domain $path_url
-
-#=================================================
-# STORE SETTINGS FROM MANIFEST
-#=================================================
-ynh_script_progression --message="Storing installation settings..." --weight=1
-
-ynh_app_setting_set $app is_public $is_public
-ynh_app_setting_set $app final_path $final_path
-
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
 ynh_script_progression --message="Setting up source files..." --weight=1
 
-mkdir -p "$final_path"
-echo "Hello world!" > $final_path/index.html
-chown -R www-data: "$final_path"
+mkdir -p "$install_dir"
+echo "Hello world!" > $install_dir/index.html
+chown -R www-data: "$install_dir"
 
 #=================================================
 # NGINX CONFIGURATION
@@ -62,24 +18,3 @@ ynh_script_progression --message="Configuring nginx web server..." --weight=1
 
 # Create a dedicated nginx config
 ynh_add_nginx_config
-
-#=================================================
-# SETUP SSOWAT
-#=================================================
-ynh_script_progression --message="Configuring SSOwat..." --weight=1
-
-# Make app public if necessary or protect it
-if [ $is_public -eq 1 ]
-then
-    # unprotected_uris allows SSO credentials to be passed anyway.
-    ynh_app_setting_set "$app" unprotected_uris "/"
-fi
-
-#=================================================
-# RELOAD NGINX
-#=================================================
-ynh_script_progression --message="Reloading nginx web server..." --weight=1
-
-ynh_systemd_action --action=reload --service_name=nginx
-
-ynh_script_progression --message="Installation of $app completed" --last
diff --git a/scripts/remove b/scripts/remove
index ea3d660..295a003 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -1,36 +1,10 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC STARTING
-#=================================================
-# IMPORT GENERIC HELPERS
-#=================================================
-
 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 "$app" domain)
-final_path=$(ynh_app_setting_get "$app" final_path)
-
-#=================================================
-# REMOVE THE MAIN DIR OF THE APP
-#=================================================
-ynh_script_progression --message="Removing app main directory..." --weight=1
-
-# Remove sources
-ynh_secure_remove --file="$final_path"
-
 #=================================================
 # REMOVE THE NGINX CONFIGURATION
 #=================================================
 ynh_script_progression --message="Removing nginx web server configuration..." --weight=1
 
 ynh_remove_nginx_config
-ynh_systemd_action --action=reload --service_name=nginx
-
-ynh_script_progression --message="Removal of $app completed" --last