diff --git a/manifest.toml b/manifest.toml
new file mode 100644
index 0000000..2d9e19e
--- /dev/null
+++ b/manifest.toml
@@ -0,0 +1,50 @@
+#:schema https://raw.githubusercontent.com/YunoHost/apps/master/schemas/manifest.v2.schema.json
+
+packaging_format = 2
+
+id = "octoprint"
+name = "Octoprint"
+description.en = "3D printing webserver"
+description.fr = "Serveur d'impression 3D"
+
+version = "1.0.0"
+
+maintainers = ["Tropicao"]
+
+[upstream]
+license = "Apache-2.0"
+website = "https://github.com/Tropicao/octoprint_ynh"
+cpe = "???" # FIXME: optional but recommended if relevant, this is meant to contain the Common Platform Enumeration, which is sort of a standard id for applications defined by the NIST. In particular, Yunohost may use this is in the future to easily track CVE (=security reports) related to apps. The CPE may be obtained by searching here: https://nvd.nist.gov/products/cpe/search. For example, for Nextcloud, the CPE is 'cpe:2.3:a:nextcloud:nextcloud' (no need to include the version number)
+fund = "???" # FIXME: optional but recommended (or remove if irrelevant / not applicable). This is meant to be an URL where people can financially support this app, especially when its development is based on volunteers and/or financed by its community. YunoHost may later advertise it in the webadmin.
+
+[integration]
+yunohost = ">= 3.1"
+architectures = "all" # FIXME: can be replaced by a list of supported archs using the dpkg --print-architecture nomenclature (amd64/i386/armhf/arm64), for example: ["amd64", "i386"]
+multi_instance = false
+ldap = "?" # FIXME: replace with true, false, or "not_relevant". Not to confuse with the "sso" key : the "ldap" key corresponds to wether or not a user *can* login on the app using its YunoHost credentials.
+sso = "?" # FIXME: replace with true, false, or "not_relevant". Not to confuse with the "ldap" key : the "sso" key corresponds to wether or not a user is *automatically logged-in* on the app when logged-in on the YunoHost portal.
+disk = "50M" # FIXME: replace with an **estimate** minimum disk requirement. e.g. 20M, 400M, 1G, ...
+ram.build = "50M" # FIXME: replace with an **estimate** minimum ram requirement. e.g. 50M, 400M, 1G, ...
+ram.runtime = "50M" # FIXME: replace with an **estimate** minimum ram requirement. e.g. 50M, 400M, 1G, ...
+
+[install]
+    [install.domain]
+    # this is a generic question - ask strings are automatically handled by Yunohost's core
+    type = "domain"
+
+    [install.init_main_permission]
+    help.en = "If public, your 3D printer will be accessible by anyone on internet"
+    help.fr = "Dans ce cas, n'importe qui sur internet pourra utiliser votre imprimante"
+    type = "group"
+    default = false
+
+[resources]
+    [resources.system_user]
+
+    [resources.install_dir]
+
+    [resources.permissions]
+    main.url = "/"
+
+    [resources.ports]
+    main.default = 5000
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 6270e87..9953d04 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -316,7 +316,7 @@ ynh_check_starting () {
 }
 
 # Clean temporary process and file used by ynh_check_starting
-# (usually used in ynh_clean_setup scripts)
+#REMOVEME? # (usually used in ynh_clean_setup scripts)
 #
 # usage: ynh_clean_check_starting
 ynh_clean_check_starting () {
diff --git a/scripts/backup b/scripts/backup
index cd703d4..c497547 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -6,18 +6,18 @@
 source /usr/share/yunohost/helpers
 
 # manage script failure
-ynh_abort_if_errors
+#REMOVEME? ynh_abort_if_errors
 
 # retrieve arguments
-app=$YNH_APP_INSTANCE_NAME
-domain=$(ynh_app_setting_get "$app" domain)
+#REMOVEME? app=$YNH_APP_INSTANCE_NAME
+#REMOVEME? domain=$(ynh_app_setting_get "$app" domain)
 
 # definie useful vars
-final_path="/opt/yunohost/$app"
+#REMOVEME? install_dir="/opt/yunohost/$app"
 home_path="/home/$app"
 
 # backup source & conf files
-ynh_backup "$final_path"
+ynh_backup "$install_dir"
 ynh_backup "$home_path"
 ynh_backup "/etc/nginx/conf.d/$domain.d/$app.conf"
 ynh_backup "/etc/sudoers.d/$app"
diff --git a/scripts/install b/scripts/install
index faac102..9f31356 100644
--- a/scripts/install
+++ b/scripts/install
@@ -4,50 +4,50 @@ source _common.sh
 source /usr/share/yunohost/helpers
 
 # manage script failure
-ynh_abort_if_errors
+#REMOVEME? ynh_abort_if_errors
 
 # retrieve arguments
-app=$YNH_APP_INSTANCE_NAME
-domain=$YNH_APP_ARG_DOMAIN
-is_public=$YNH_APP_ARG_IS_PUBLIC
+#REMOVEME? app=$YNH_APP_INSTANCE_NAME
+#REMOVEME? domain=$YNH_APP_ARG_DOMAIN
+#REMOVEME? is_public=$YNH_APP_ARG_IS_PUBLIC
 
 # definie useful vars
-final_path="/opt/yunohost/$app"
+#REMOVEME? install_dir="/opt/yunohost/$app"
 home_path="/home/$app"
 data_path="/home/$app/.$app"
 
 # check domain/path availability
-ynh_script_progression --message="Validating installation parameters..."
-path_url=$(ynh_normalize_url_path "/")
-ynh_webpath_available "$domain" "$path_url" || ynh_die "$domain/$path_url is not available, please use an other domain."
-ynh_webpath_register $app "$domain" "$path_url"
+#REMOVEME? ynh_script_progression --message="Validating installation parameters..."
+path=$(ynh_normalize_url_path "/")
+#REMOVEME? ynh_webpath_available "$domain" "$path" || ynh_die "$domain/$path is not available, please use an other domain."
+#REMOVEME? ynh_webpath_register $app "$domain" "$path"
 
 # add required packages
-ynh_script_progression --message="Installing dependencies..."
-ynh_install_app_dependencies "$PKG_DEPENDENCIES"
+#REMOVEME? ynh_script_progression --message="Installing dependencies..."
+#REMOVEME? ynh_install_app_dependencies "$PKG_DEPENDENCIES"
 
 # save app settings
-ynh_script_progression --message="Storing installation settings..."
-ynh_app_setting_set $app domain "$domain"
-ynh_app_setting_set $app is_public $is_public
+#REMOVEME? ynh_script_progression --message="Storing installation settings..."
+#REMOVEME? ynh_app_setting_set $app domain "$domain"
+#REMOVEME? ynh_app_setting_set $app is_public $is_public
 
 # find a free port & open it
 ynh_script_progression --message="Looking for a free port and opening it..."
-port=$(ynh_find_port 5000)
-ynh_app_setting_set $app port $port
+#REMOVEME? port=$(ynh_find_port 5000)
+#REMOVEME? ynh_app_setting_set $app port $port
 ynh_exec_fully_quiet yunohost firewall allow TCP $port
 
 # create a dedicated system user
 ynh_script_progression --message="Creating dedicated user, rights and folders..."
-ynh_system_user_create $app
+#REMOVEME? ynh_system_user_create $app
 # add user to group dialout to allow ttyUSB usage
 usermod -a -G dialout $app
 ## grant sudo permissions to the user to manage his own systemd service
 myynh_create_dir "/etc/sudoers.d"
 cp "../conf/sudoers" "/etc/sudoers.d/$app"
 ## create a directory for the installation of Octoprint
-myynh_create_dir "$final_path"
-chown $app: "$final_path"
+myynh_create_dir "$install_dir"
+chown $app: "$install_dir"
 ## create a directory for the datas of Octoprint
 myynh_create_dir "$data_path"
 chown -R $app: "$home_path"
@@ -56,9 +56,9 @@ chown -R $app: "$home_path"
 ynh_script_progression --message="Installing Octoprint in a virtual environment..."
 exec_as $app -H -s /bin/bash -c " \
 	echo 'create the virtual environment' \
-		&& virtualenv -p $(which python3) "$final_path" \
+		&& virtualenv -p $(which python3) "$install_dir" \
 	&& echo 'install Octoprint' \
-		&& "$final_path"/bin/pip3 install $app \
+		&& "$install_dir"/bin/pip3 install $app \
 	"
 
 # set default configuration files
diff --git a/scripts/remove b/scripts/remove
index c6bc7fe..1868b0a 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -6,19 +6,19 @@ source _common.sh
 source /usr/share/yunohost/helpers
 
 # retrieve arguments
-app=$YNH_APP_INSTANCE_NAME
-domain=$(ynh_app_setting_get "$app" domain)
-port=$(ynh_app_setting_get $app port)
+#REMOVEME? app=$YNH_APP_INSTANCE_NAME
+#REMOVEME? domain=$(ynh_app_setting_get "$app" domain)
+#REMOVEME? port=$(ynh_app_setting_get $app port)
 
 # definie useful vars
-final_path="/opt/yunohost/$app"
+#REMOVEME? install_dir="/opt/yunohost/$app"
 home_path="/home/$app"
 
 # remove metapackage and its dependencies
-ynh_remove_app_dependencies
+#REMOVEME? ynh_remove_app_dependencies
 
 # remove the app directory securely
-ynh_secure_remove "$final_path"
+#REMOVEME? ynh_secure_remove "$install_dir"
 
 # remove the dedicated nginx config
 ynh_remove_nginx_config
@@ -41,7 +41,7 @@ ynh_secure_remove "/etc/systemd/system/$app@$app.service"
 ynh_exec_fully_quiet yunohost firewall disallow TCP $port
 
 # delete a system user
-ynh_system_user_delete "$app"
+#REMOVEME? ynh_system_user_delete "$app"
 
 # remove sudoers file
 ynh_secure_remove "/etc/sudoers.d/$app"
diff --git a/scripts/restore b/scripts/restore
index a9b2882..4cce284 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -8,28 +8,28 @@ source ../settings/scripts/_common.sh
 source /usr/share/yunohost/helpers
 
 # manage script failure
-ynh_abort_if_errors
+#REMOVEME? ynh_abort_if_errors
 
 # retrieve arguments
-app=$YNH_APP_INSTANCE_NAME
-domain=$(ynh_app_setting_get "$app" domain)
-port=$(ynh_app_setting_get "$app" port)
+#REMOVEME? app=$YNH_APP_INSTANCE_NAME
+#REMOVEME? domain=$(ynh_app_setting_get "$app" domain)
+#REMOVEME? port=$(ynh_app_setting_get "$app" port)
 
 # definie useful vars
-final_path="/opt/yunohost/$app"
+#REMOVEME? install_dir="/opt/yunohost/$app"
 home_path="/home/$app"
 data_path="/home/$app/.$app"
 
 # check domain/path availability
-path_url=$(ynh_normalize_url_path "/")
-ynh_webpath_available $domain $path_url || ynh_die "$domain/$path_url is not available, please use an other domain."
+path=$(ynh_normalize_url_path "/")
+#REMOVEME? ynh_webpath_available $domain $path || ynh_die "$domain/$path is not available, please use an other domain."
 
 # add required packages
-ynh_install_app_dependencies "$PKG_DEPENDENCIES"
+#REMOVEME? ynh_install_app_dependencies "$PKG_DEPENDENCIES"
 
 # restore dedicated system user
 ynh_system_user_exists "$app" && ynh_die "User $app is not available"
-ynh_system_user_create "$app"
+#REMOVEME? ynh_system_user_create "$app"
 
 # restore conf files
 ynh_restore_file "/etc/nginx/conf.d/$domain.d/$app.conf"
@@ -37,10 +37,10 @@ ynh_restore_file "/etc/sudoers.d/$app"
 ynh_restore_file "/etc/systemd/system/$app@$app.service"
 
 # restore source
-if [ ! -d "$final_path" ]; then
-        ynh_restore_file "$final_path"
+if [ ! -d "$install_dir" ]; then
+        ynh_restore_file "$install_dir"
 else
-        ynh_die "There is already a directory: $final_path"
+        ynh_die "There is already a directory: $install_dir"
 fi
 
 # restore data
@@ -52,7 +52,7 @@ else
 fi
 
 # restore port
-[ $port -eq $(ynh_find_port $port) ] || ynh_die "$port is not available, please use an other port"
+#REMOVEME? [ $port -eq $(ynh_find_port $port) ] || ynh_die "$port is not available, please use an other port"
 ynh_exec_fully_quiet yunohost firewall allow TCP $port
 
 # add service in admin panel
diff --git a/scripts/upgrade b/scripts/upgrade
index b1396ca..6e39d57 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -4,22 +4,22 @@ source _common.sh
 source /usr/share/yunohost/helpers
 
 # manage script failure
-ynh_abort_if_errors
+#REMOVEME? ynh_abort_if_errors
 
 # retrieve arguments
-app=$YNH_APP_INSTANCE_NAME
-domain=$(ynh_app_setting_get $app domain)
-port=$(ynh_app_setting_get $app port)
-is_public=$(ynh_app_setting_get $app is_public)
+#REMOVEME? app=$YNH_APP_INSTANCE_NAME
+#REMOVEME? domain=$(ynh_app_setting_get $app domain)
+#REMOVEME? port=$(ynh_app_setting_get $app port)
+#REMOVEME? #REMOVEME? is_public=$(ynh_app_setting_get $app is_public)
 
 # definie useful vars
-final_path="/opt/yunohost/$app"
+#REMOVEME? install_dir="/opt/yunohost/$app"
 
 # use prior backup and restore on error only if backup feature exists on installed instance
 if [ -f "/etc/yunohost/apps/$app/scripts/backup" ] ; then
-  ynh_backup_before_upgrade # Backup the current version of the app
-  ynh_clean_setup () {
-      ynh_restore_upgradebackup
+#REMOVEME?   ynh_backup_before_upgrade # Backup the current version of the app
+#REMOVEME?   ynh_clean_setup () {
+#REMOVEME?       ynh_restore_upgradebackup
   }
 fi
 
@@ -28,7 +28,7 @@ myynh_create_dir "/etc/sudoers.d"
 cp "../conf/sudoers" "/etc/sudoers.d/$app"
 
 # add required packages
-ynh_install_app_dependencies "$PKG_DEPENDENCIES"
+#REMOVEME? ynh_install_app_dependencies "$PKG_DEPENDENCIES"
 
 # stop systemd service
 ynh_system_reload --service_name="$app@$app" --action=stop
@@ -37,9 +37,9 @@ ynh_system_reload --service_name="$app@$app" --action=disable
 # upgrade
 exec_as "$app" -H -s /bin/bash -c " \
 	echo 'create the virtual environment' \
-		&& python3 -m venv $final_path \
+		&& python3 -m venv $install_dir \
 	&& echo 'activate the virtual environment' \
-		&& source $final_path/bin/activate \
+		&& source $install_dir/bin/activate \
 	&& echo 'install a required python package' \
 		&& pip install --upgrade wheel \
 	&& echo 'install Octoprint' \