diff --git a/.github/workflows/updater.sh b/.github/workflows/updater.sh
index 72eb5cb..4132929 100755
--- a/.github/workflows/updater.sh
+++ b/.github/workflows/updater.sh
@@ -17,8 +17,8 @@ exit 1
 #=================================================
 
 # 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]')
+current_version=$(cat manifest.toml | tomlq -j '.version|split("~")[0]')
+repo=$(cat manifest.toml | tomlq -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 "'"))
@@ -128,7 +128,7 @@ done
 #=================================================
 
 # Replace new version in manifest
-echo "$(jq -s --indent 4 ".[] | .version = \"$version~ynh1\"" manifest.json)" > manifest.json
+echo "$(tomlq -s --indent 4 ".[] | .version = \"$version~ynh1\"" manifest.toml)" > manifest.toml
 
 # No need to update the README, yunohost-bot takes care of it
 
diff --git a/README.md b/README.md
index a06605f..2abeeba 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@ It shall NOT be edited by hand.
 # Chitchatter for YunoHost
 
 [![Integration level](https://dash.yunohost.org/integration/chitchatter.svg)](https://dash.yunohost.org/appci/app/chitchatter) ![Working status](https://ci-apps.yunohost.org/ci/badges/chitchatter.status.svg) ![Maintenance status](https://ci-apps.yunohost.org/ci/badges/chitchatter.maintain.svg)
+
 [![Install Chitchatter with YunoHost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=chitchatter)
 
 *[Lire ce readme en français.](./README_fr.md)*
diff --git a/README_fr.md b/README_fr.md
index 862cf8e..380853b 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -6,6 +6,7 @@ It shall NOT be edited by hand.
 # Chitchatter pour YunoHost
 
 [![Niveau d’intégration](https://dash.yunohost.org/integration/chitchatter.svg)](https://dash.yunohost.org/appci/app/chitchatter) ![Statut du fonctionnement](https://ci-apps.yunohost.org/ci/badges/chitchatter.status.svg) ![Statut de maintenance](https://ci-apps.yunohost.org/ci/badges/chitchatter.maintain.svg)
+
 [![Installer Chitchatter avec YunoHost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=chitchatter)
 
 *[Read this readme in english.](./README.md)*
diff --git a/conf/app.src b/conf/app.src
index 17489bf..7a77464 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,7 +1,7 @@
-SOURCE_URL=url of app's source
-SOURCE_SUM=sha256 checksum
+SOURCE_URL=https://github.com/jeremyckahn/chitchatter/archive/99a9ab783815e3bddeebd0de8ad74d010e5162b1.tar.gz
+SOURCE_SUM=35d5521e0e96f9271f2437bae29af1f7edfe293d80be4353fbefdcccdbfe8258
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=tar.gz
 SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=
+SOURCE_FILENAME=chitchatter
 SOURCE_EXTRACT=true
diff --git a/conf/nginx.conf b/conf/nginx.conf
index c3ecd04..6b09163 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,7 +1,7 @@
 #sub_path_only rewrite ^__PATH__$ __PATH__/ permanent;
 location __PATH__/ {
 
-    alias __FINALPATH__/build/;
+    alias __INSTALL_DIR__/build/;
     
     index index.html;
 }
diff --git a/doc/DISCLAIMER.md b/doc/DISCLAIMER.md
deleted file mode 100644
index e69de29..0000000
diff --git a/manifest.json b/manifest.json
deleted file mode 100644
index b972ccf..0000000
--- a/manifest.json
+++ /dev/null
@@ -1,42 +0,0 @@
-{
-    "name": "Chitchatter",
-    "id": "chitchatter",
-    "packaging_format": 1,
-    "description": {
-        "en": "Peer-to-peer chat that is serverless, decentralized, and ephemeral",
-        "fr": "Chat peer-to-peer sans serveur, décentralisée et éphémère"
-    },
-    "version": "1.0~ynh3",
-    "url": "https://chitchatter.im/",
-    "upstream": {
-        "license": "GPL-2.0",
-        "website": "https://chitchatter.im/",
-        "demo": "https://chitchatter.im/",
-        "code": "https://github.com/jeremyckahn/chitchatter"
-    },
-    "license": "GPL-2.0",
-    "maintainer": {
-        "name": "eric_G",
-        "email": ""
-    },
-    "requirements": {
-        "yunohost": ">= 11.0.9"
-    },
-    "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..0c77eaa
--- /dev/null
+++ b/manifest.toml
@@ -0,0 +1,43 @@
+packaging_format = 2
+
+id = "chitchatter"
+name = "Chitchatter"
+description.en = "Peer-to-peer chat that is serverless, decentralized, and ephemeral"
+description.fr = "Chat peer-to-peer sans serveur, décentralisée et éphémère"
+
+version = "1.0~ynh3"
+
+maintainers = ["eric_G"]
+
+[upstream]
+license = "GPL-2.0"
+website = "https://chitchatter.im/"
+demo = "https://chitchatter.im/"
+code = "https://github.com/jeremyckahn/chitchatter"
+
+[integration]
+yunohost = ">= 11.1.10"
+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 = "/"
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 0f3ef6f..05b2ccf 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -6,8 +6,6 @@
 # PHP APP SPECIFIC
 #=================================================
 
-version_commit=8493ddade560a2628bfcf3d36e5c3e411392b2bf
-
 # nodejs version
 nodejs_version=16
 
diff --git a/scripts/backup b/scripts/backup
index e43d75e..52eea5b 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -10,27 +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)
-
 #=================================================
 # DECLARE DATA AND CONF FILES TO BACKUP
 #=================================================
@@ -40,7 +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 33c82d0..ab2d658 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -6,90 +6,14 @@
 # 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=$YNH_APP_NEW_DOMAIN
-new_path=$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
+ynh_change_url_nginx_config
 
 #=================================================
 # END OF SCRIPT
diff --git a/scripts/install b/scripts/install
index e3c5956..936b8f0 100755
--- a/scripts/install
+++ b/scripts/install
@@ -9,81 +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
-
-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
-
-#=================================================
-# STANDARD MODIFICATIONS
 #=================================================
 # INSTALL DEPENDENCIES
 #=================================================
 ynh_script_progression --message="Installing dependencies..." --weight=1
 
-#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"
-
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
 ynh_script_progression --message="Setting up source files..." --weight=4
 
-ynh_app_setting_set --app=$app --key=final_path --value=$final_path
-
 # Download, check integrity, uncompress and patch the source from GitHub
-git clone --quiet --branch main https://github.com/jeremyckahn/chitchatter.git "$final_path"
+ynh_setup_source --dest_dir="$install_dir"
 
-pushd "$final_path"
-	git reset --hard --quiet $version_commit
-popd
-
-chmod 750 "$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
@@ -98,33 +41,13 @@ ynh_add_nginx_config
 #=================================================
 ynh_script_progression --message="Configuring the app..." --weight=10
 
-pushd $final_path
+pushd $install_dir
 	ynh_use_nodejs
 	ynh_exec_warn_less $ynh_npm install -g npm@latest serve
 	ynh_exec_warn_less $ynh_npm install
 	ynh_exec_warn_less $ynh_npm run build
 popd
 
-#=================================================
-# 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 61a1209..230370d 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -9,24 +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=$app --key=final_path)
-
-#=================================================
-# REMOVE APP MAIN DIR
-#=================================================
-ynh_script_progression --message="Removing app main directory..." --weight=1
-
-# Remove the app directory securely
-ynh_secure_remove --file="$final_path"
-
 #=================================================
 # REMOVE NGINX CONFIGURATION
 #=================================================
@@ -40,19 +22,8 @@ ynh_remove_nginx_config
 #=================================================
 ynh_script_progression --message="Removing dependencies..." --weight=1
 
-#ynh_remove_app_dependencies
 ynh_remove_nodejs
 
-#=================================================
-# 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 2104fe1..fee6ac7 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -10,56 +10,16 @@
 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)
-
-#=================================================
-# 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=1
 
-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 750 "$install_dir"
+chmod -R o-rwx "$install_dir"
+chown -R $app:www-data "$install_dir"
 
 #=================================================
 # SPECIFIC RESTORATION
@@ -68,7 +28,6 @@ chown -R $app:www-data "$final_path"
 #=================================================
 ynh_script_progression --message="Reinstalling dependencies..." --weight=1
 
-#ynh_install_app_dependencies $pkg_dependencies
 ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index d89caf9..8d751be 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -9,70 +9,33 @@
 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)
-
 #=================================================
 # 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
 #=================================================
 
 if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
-	ynh_script_progression --message="Upgrading source files..." --weight=4
+	ynh_script_progression --message="Upgrading source files..." --weight=1
 
-	pushd $final_path
-		git fetch
-    	git reset --hard --quiet $version_commit
-		git pull
-	popd
+	# Download, check integrity, uncompress and patch the source from app.src
+	ynh_setup_source --dest_dir="$install_dir"
 fi
 
-chmod 750 "$final_path"
-chmod -R o-rwx "$final_path"
-chown -R $app:www-data "$final_path"
+chmod 750 "$install_dir"
+chmod -R o-rwx "$install_dir"
+chown -R $app:www-data "$install_dir"
 
 #=================================================
 # UPGRADE DEPENDENCIES
 #=================================================
 ynh_script_progression --message="Upgrading dependencies..." --weight=1
 
-#ynh_install_app_dependencies $pkg_dependencies
 ynh_exec_warn_less ynh_install_nodejs --nodejs_version=$nodejs_version
 
 #=================================================
@@ -88,20 +51,13 @@ ynh_add_nginx_config
 #=================================================
 ynh_script_progression --message="Configuring the app..." --weight=10
 
-pushd $final_path
+pushd $install_dir
 	ynh_use_nodejs
 	ynh_exec_warn_less $ynh_npm install -g npm@latest serve
 	ynh_exec_warn_less $ynh_npm install
 	ynh_exec_warn_less $ynh_npm run build
 popd
 
-#=================================================
-# 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..cbbeef1
--- /dev/null
+++ b/tests.toml
@@ -0,0 +1,3 @@
+test_format = 1.0
+
+[default]