diff --git a/.github/workflows/updater.sh b/.github/workflows/updater.sh
deleted file mode 100644
index e54f084..0000000
--- a/.github/workflows/updater.sh
+++ /dev/null
@@ -1,126 +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 "'"))
-
-# 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
-  "v"*".tar.gz"*)
-    src="app"
-    ;;
-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
-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/.github/workflows/updater.yml b/.github/workflows/updater.yml
deleted file mode 100644
index ca77fed..0000000
--- a/.github/workflows/updater.yml
+++ /dev/null
@@ -1,48 +0,0 @@
-# This workflow allows GitHub Actions to automagically update your app whenever a new upstream release is detected.
-# You need to enable Actions in your repository settings, and fetch this Action from the YunoHost-Apps organization.
-# This file should be enough by itself, but feel free to tune it to your needs.
-# It calls updater.sh, which is where you should put the app-specific update steps.
-name: Check for new upstream releases
-on:
-  # Allow to manually trigger the workflow
-  workflow_dispatch:
-  # Run it every day at 6:00 UTC
-  schedule:
-    - cron:  '0 6 * * *'
-jobs:
-  updater:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Fetch the source code
-        uses: actions/checkout@v2
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-      - name: Run the updater script
-        id: run_updater
-        run: |
-          # Setting up Git user
-          git config --global user.name 'yunohost-bot'
-          git config --global user.email 'yunohost-bot@users.noreply.github.com'
-          # Run the updater script
-          /bin/bash .github/workflows/updater.sh
-      - name: Commit changes
-        id: commit
-        if: ${{ env.PROCEED == 'true' }}
-        run: |
-          git commit -am "Upgrade to v$VERSION"
-      - name: Create Pull Request
-        id: cpr
-        if: ${{ env.PROCEED == 'true' }}
-        uses: peter-evans/create-pull-request@v3
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          commit-message: Update to version ${{ env.VERSION }}
-          committer: 'yunohost-bot <yunohost-bot@users.noreply.github.com>'
-          author: 'yunohost-bot <yunohost-bot@users.noreply.github.com>'
-          signoff: false
-          branch: ci-auto-update-v${{ env.VERSION }}
-          delete-branch: true
-          title: 'Upgrade to version ${{ env.VERSION }}'
-          body: |
-            Upgrade to v${{ env.VERSION }}
-          draft: false
diff --git a/README.md b/README.md
index daf61aa..c9e8145 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,8 @@ It shall NOT be edited by hand.
 
 # Send for YunoHost
 
-[![Integration level](https://dash.yunohost.org/integration/send.svg)](https://dash.yunohost.org/appci/app/send) ![Working status](https://ci-apps.yunohost.org/ci/badges/send.status.svg) ![Maintenance status](https://ci-apps.yunohost.org/ci/badges/send.maintain.svg)  
+[![Integration level](https://dash.yunohost.org/integration/send.svg)](https://dash.yunohost.org/appci/app/send) ![Working status](https://ci-apps.yunohost.org/ci/badges/send.status.svg) ![Maintenance status](https://ci-apps.yunohost.org/ci/badges/send.maintain.svg)
+
 [![Install Send with YunoHost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=send)
 
 *[Lire ce readme en français.](./README_fr.md)*
@@ -19,7 +20,7 @@ A fork of Mozilla's Firefox Send. Mozilla discontinued Send, this fork is a comm
 Send is a file sharing experiment which allows you to send encrypted files to other users.
 
 
-**Shipped version:** 3.4.20~ynh2
+**Shipped version:** 3.4.23~ynh1
 
 **Demo:** https://send.vis.ee/
 
@@ -27,13 +28,6 @@ Send is a file sharing experiment which allows you to send encrypted files to ot
 
 ![Screenshot of Send](./doc/screenshots/screenshot.png)
 
-## Disclaimers / important information
-
-## Configuration
-
-The config file path is `var/www/send/server/config.js`.
-You can configure things such as the max file size, max downloads, or max file expire time.
-
 ## Documentation and resources
 
 * Official app website: <https://send.vis.ee/>
diff --git a/README_fr.md b/README_fr.md
index 5858fb4..1593c3f 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -5,39 +5,33 @@ It shall NOT be edited by hand.
 
 # Send pour YunoHost
 
-[![Niveau d'intégration](https://dash.yunohost.org/integration/send.svg)](https://dash.yunohost.org/appci/app/send) ![Statut du fonctionnement](https://ci-apps.yunohost.org/ci/badges/send.status.svg) ![Statut de maintenance](https://ci-apps.yunohost.org/ci/badges/send.maintain.svg)  
+[![Niveau d’intégration](https://dash.yunohost.org/integration/send.svg)](https://dash.yunohost.org/appci/app/send) ![Statut du fonctionnement](https://ci-apps.yunohost.org/ci/badges/send.status.svg) ![Statut de maintenance](https://ci-apps.yunohost.org/ci/badges/send.maintain.svg)
+
 [![Installer Send avec YunoHost](https://install-app.yunohost.org/install-with-yunohost.svg)](https://install-app.yunohost.org/?app=send)
 
 *[Read this readme in english.](./README.md)*
 
-> *Ce package vous permet d'installer Send rapidement et simplement sur un serveur YunoHost.
-Si vous n'avez pas YunoHost, regardez [ici](https://yunohost.org/#/install) pour savoir comment l'installer et en profiter.*
+> *Ce package vous permet d’installer Send rapidement et simplement sur un serveur YunoHost.
+Si vous n’avez pas YunoHost, regardez [ici](https://yunohost.org/#/install) pour savoir comment l’installer et en profiter.*
 
-## Vue d'ensemble
+## Vue d’ensemble
 
 Un fork du Firefox Send de Mozilla. Mozilla a arrêté Send, et ce fork est un effort de la communauté pour maintenir le projet en vie.
 Send est une expérience de partage de fichiers qui permet d'envoyer des fichiers chiffrés à d'autres utilisateurs.
 
 
-**Version incluse :** 3.4.20~ynh2
+**Version incluse :** 3.4.23~ynh1
 
 **Démo :** https://send.vis.ee/
 
-## Captures d'écran
+## Captures d’écran
 
-![Capture d'écran de Send](./doc/screenshots/screenshot.png)
-
-## Avertissements / informations importantes
-
-## Configuration
-
-Le chemin du fichier de configuration est `var/www/send/server/config.js`.
-Vous pouvez configurer des paramètres tels que les taille de fichier, nombre de téléchargements, ou temps d'expiration des fichiers maximums.
+![Capture d’écran de Send](./doc/screenshots/screenshot.png)
 
 ## Documentations et ressources
 
-* Site officiel de l'app : <https://send.vis.ee/>
-* Dépôt de code officiel de l'app : <https://github.com/timvisee/send>
+* Site officiel de l’app : <https://send.vis.ee/>
+* Dépôt de code officiel de l’app : <https://github.com/timvisee/send>
 * Documentation YunoHost pour cette app : <https://yunohost.org/app_send>
 * Signaler un bug : <https://github.com/YunoHost-Apps/send_ynh/issues>
 
@@ -53,4 +47,4 @@ ou
 sudo yunohost app upgrade send -u https://github.com/YunoHost-Apps/send_ynh/tree/testing --debug
 ```
 
-**Plus d'infos sur le packaging d'applications :** <https://yunohost.org/packaging_apps>
+**Plus d’infos sur le packaging d’applications :** <https://yunohost.org/packaging_apps>
\ No newline at end of file
diff --git a/check_process b/check_process
deleted file mode 100644
index b1ea4c6..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
-		# 3.4.14~ynh1
-		upgrade=1	from_commit=6e2eba4a9b6b455b35ce9d8e558c454a001bfacf
-		# 3.4.18~ynh1
-		upgrade=1	from_commit=674f8d3211ba98b10f169deea3127a8b378c6c3c
-		backup_restore=1
-		multi_instance=1
-		port_already_use=0
-		change_url=1
-;;; Options
-Email=
-Notification=none
diff --git a/conf/app.src b/conf/app.src
deleted file mode 100644
index 3541b63..0000000
--- a/conf/app.src
+++ /dev/null
@@ -1,7 +0,0 @@
-SOURCE_URL=https://github.com/timvisee/send/archive/refs/tags/v3.4.20.tar.gz
-SOURCE_SUM=d8b485383f5f2fdca98501e1abdacec158b2eb04a7a8a4dabae2a0d4f542c6e4
-SOURCE_SUM_PRG=sha256sum
-SOURCE_FORMAT=tar.gz
-SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=
-SOURCE_EXTRACT=true
diff --git a/conf/config.js b/conf/config.js
index 805dae7..335a298 100644
--- a/conf/config.js
+++ b/conf/config.js
@@ -168,6 +168,16 @@ const conf = convict({
     default: 'https://__DOMAIN__',
     env: 'BASE_URL'
   },
+  custom_title: {
+    format: String,
+    default: 'Send',
+    env: 'CUSTOM_TITLE'
+  },
+  custom_description: {
+    format: String,
+    default: 'Encrypt and send files with a link that automatically expires to ensure your important documents don’t stay online forever.',
+    env: 'CUSTOM_DESCRIPTION'
+  },
   detect_base_url: {
     format: Boolean,
     default: false,
@@ -243,6 +253,16 @@ const conf = convict({
     default: 'https://github.com/timvisee/send',
     env: 'SEND_FOOTER_SOURCE_URL'
   },
+  custom_footer_text: {
+    format: String,
+    default: '',
+    env: 'CUSTOM_FOOTER_TEXT'
+  },
+  custom_footer_url: {
+    format: String,
+    default: '',
+    env: 'CUSTOM_FOOTER_URL'
+  },
   ui_color_primary: {
     format: String,
     default: '#0a84ff',
@@ -253,6 +273,11 @@ const conf = convict({
     default: '#003eaa',
     env: 'UI_COLOR_ACCENT'
   },
+  custom_locale: {
+    format: String,
+    default: '',
+    env: 'CUSTOM_LOCALE'
+  },
   ui_custom_assets: {
     android_chrome_192px: {
       format: String,
@@ -303,6 +328,11 @@ const conf = convict({
       format: String,
       default: '',
       env: 'UI_CUSTOM_ASSETS_WORDMARK'
+    },
+    custom_css: {
+      format: String,
+      default: '',
+      env: 'UI_CUSTOM_CSS'
     }
   }
 });
diff --git a/conf/nginx.conf b/conf/nginx.conf
index 0ef73f7..e5ae0c1 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,4 +1,5 @@
-location / {
+#sub_path_only rewrite ^__PATH__$ __PATH__/ permanent;
+location __PATH__/ {
 
   proxy_pass       http://127.0.0.1:__PORT__;
   proxy_set_header Host $host; 
@@ -8,6 +9,8 @@ location / {
 }
 
 location /api/ws {
+
+  proxy_pass http://127.0.0.1:__PORT__;
   proxy_set_header X-Real-IP $remote_addr;
   proxy_set_header Host $http_host;
   proxy_http_version 1.1;
@@ -16,5 +19,4 @@ location /api/ws {
   proxy_set_header Connection "";
   proxy_connect_timeout  4000s;
   proxy_read_timeout     4000s;
-  proxy_pass http://127.0.0.1:__PORT__;
 }
diff --git a/conf/systemd.service b/conf/systemd.service
index 9f40fd9..3193880 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -6,10 +6,10 @@ After=syslog.target network.target
 Type=simple
 User=__APP__
 Group=__APP__
-WorkingDirectory=__FINALPATH__/
+WorkingDirectory=__INSTALL_DIR__/
 Environment="NODE_ENV=production"
-#Environment="__YNH_NODE_LOAD_PATH__"
-ExecStart=__YNH_NODE__ __FINALPATH__/server/bin/prod.js
+Environment="__YNH_NODE_LOAD_PATH__"
+ExecStart=__YNH_NODE__ __INSTALL_DIR__/server/bin/prod.js
 Restart=always
 
 # Sandboxing options to harden security
diff --git a/doc/DISCLAIMER.md b/doc/ADMIN.md
similarity index 55%
rename from doc/DISCLAIMER.md
rename to doc/ADMIN.md
index 9849b12..c87b3d2 100644
--- a/doc/DISCLAIMER.md
+++ b/doc/ADMIN.md
@@ -1,4 +1,2 @@
-## Configuration
-
-The config file path is `var/www/send/server/config.js`.
+The config file path is `__INSTALL_DIR__/server/config.js`.
 You can configure things such as the max file size, max downloads, or max file expire time.
diff --git a/doc/DISCLAIMER_fr.md b/doc/ADMIN_fr.md
similarity index 60%
rename from doc/DISCLAIMER_fr.md
rename to doc/ADMIN_fr.md
index 30e2f03..0e7b52e 100644
--- a/doc/DISCLAIMER_fr.md
+++ b/doc/ADMIN_fr.md
@@ -1,4 +1,2 @@
-## Configuration
-
-Le chemin du fichier de configuration est `var/www/send/server/config.js`.
+Le chemin du fichier de configuration est `__INSTALL_DIR__/server/config.js`.
 Vous pouvez configurer des paramètres tels que les taille de fichier, nombre de téléchargements, ou temps d'expiration des fichiers maximums.
diff --git a/manifest.json b/manifest.json
deleted file mode 100644
index b1d7f08..0000000
--- a/manifest.json
+++ /dev/null
@@ -1,45 +0,0 @@
-{
-    "name": "Send",
-    "id": "send",
-    "packaging_format": 1,
-    "description": {
-        "en": "File sharing which allows to send encrypted files",
-        "fr": "Partage de fichiers qui permet d'envoyer des fichiers chiffrés"
-    },
-    "version": "3.4.20~ynh2",
-    "url": "https://github.com/timvisee/send",
-    "upstream": {
-        "license": "MPL-2.0",
-        "website": "https://send.vis.ee/",
-        "demo": "https://send.vis.ee/",
-        "code": "https://github.com/timvisee/send"
-    },
-    "license": "MPL-2.0",
-    "maintainer": {
-        "name": "eric_G"
-    },
-    "requirements": {
-        "yunohost": ">= 4.3.0"
-    },
-    "multi_instance": true,
-    "services": [
-        "nginx"
-    ],
-    "arguments": {
-        "install": [
-            {
-                "name": "domain",
-                "type": "domain"
-            },
-            {
-                "name": "is_public",
-                "type": "boolean",
-                "help": {
-                    "en": "If enabled, Send will be accessible by people who do not have an account. This can be changed later via the webadmin.",
-                    "fr": "Si cette case est cochée, Send sera accessible aux personnes n’ayant pas de compte. Vous pourrez changer ceci plus tard via la webadmin."
-                },
-                "default": true
-            }
-        ]
-    }
-}
diff --git a/manifest.toml b/manifest.toml
new file mode 100644
index 0000000..b24ceb4
--- /dev/null
+++ b/manifest.toml
@@ -0,0 +1,57 @@
+packaging_format = 2
+
+id = "send"
+name = "Send"
+description.en = "File sharing which allows to send encrypted files"
+description.fr = "Partage de fichiers qui permet d'envoyer des fichiers chiffrés"
+
+version = "3.4.23~ynh1"
+
+maintainers = ["eric_G"]
+
+[upstream]
+license = "MPL-2.0"
+website = "https://send.vis.ee/"
+demo = "https://send.vis.ee/"
+code = "https://github.com/timvisee/send"
+
+[integration]
+yunohost = ">= 11.1.19"
+architectures = ["amd64", "arm64", "armhf"]
+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]
+    help.en = "If enabled, Send will be accessible by people who do not have an account. This can be changed later via the webadmin."
+    help.fr = "Si cette case est cochée, Send sera accessible aux personnes n’ayant pas de compte. Vous pourrez changer ceci plus tard via la webadmin."
+    type = "group"
+    default = "visitors"
+
+[resources]
+        [resources.sources.main]
+        url = "https://github.com/timvisee/send/archive/refs/tags/v3.4.23.tar.gz"
+        sha256 = "eed0e391050842413d300133a64cc76829e3ba1d69e113f6e5fdc3eda777fa2a"
+        autoupdate.strategy = "latest_github_tag"
+
+    [resources.ports]
+
+    [resources.system_user]
+
+    [resources.install_dir]
+
+    [resources.permissions]
+    main.url = "/"
+    api.url = "/api"
+    api.allowed = "visitors"
+    api.auth_header =false
+    api.show_tile = false
+    api.protected = true
diff --git a/scripts/_common.sh b/scripts/_common.sh
index a163d36..3dbfaac 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -4,10 +4,7 @@
 # COMMON VARIABLES
 #=================================================
 
-# dependencies used by the app
-pkg_dependencies="redis-server"
-
-nodejs_version=16.13
+nodejs_version=16
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/backup b/scripts/backup
index 65e96c1..f8e82aa 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 08e6228..0339ec5 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -9,61 +9,6 @@
 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)
-port=$(ynh_app_setting_get --app=$app --key=port)
-redis_db=$(ynh_app_setting_get --app=$app --key=redis_db)
-
-#=================================================
-# 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
-
 #=================================================
 # STANDARD MODIFICATIONS
 #=================================================
@@ -78,29 +23,7 @@ ynh_systemd_action --service_name=$app --action="stop"
 #=================================================
 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
 
 #=================================================
 # SPECIFIC MODIFICATIONS
@@ -110,10 +33,10 @@ fi
 ynh_script_progression --message="Adding a configuration file..." --weight=2
 
 domain=$new_domain
-ynh_add_config --template="../conf/config.js" --destination="$final_path/server/config.js"
+ynh_add_config --template="../conf/config.js" --destination="$install_dir/server/config.js"
 
-chmod 400 "$final_path/server/config.js"
-chown $app:$app "$final_path/server/config.js"
+chmod 400 "$install_dir/server/config.js"
+chown $app:$app "$install_dir/server/config.js"
 
 #=================================================
 # GENERIC FINALISATION
@@ -125,13 +48,6 @@ ynh_script_progression --message="Starting a systemd service..." --weight=1
 # Start a systemd service
 ynh_systemd_action --service_name=$app --action="start" --log_path="systemd"
 
-#=================================================
-# 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/install b/scripts/install
index 5ccc2cd..86d93e2 100644
--- a/scripts/install
+++ b/scripts/install
@@ -9,72 +9,13 @@
 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
-#=================================================
-# FIND AND OPEN A PORT
-#=================================================
-ynh_script_progression --message="Finding an available port..." --weight=2
-
-# Find an available port
-port=$(ynh_find_port --port=8095)
-ynh_app_setting_set --app=$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=3
-
-# Create a system user
-ynh_system_user_create --username=$app --home_dir="$final_path"
-
 #=================================================
 # CREATE A REDIS DATABASE
 #=================================================
@@ -89,14 +30,12 @@ ynh_app_setting_set --app="$app" --key=redis_db --value="$redis_db"
 #=================================================
 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="$final_path"
+ynh_setup_source --dest_dir="$install_dir"
 
-chmod 750 "$final_path"
-chmod -R o-rwx "$final_path"
-chown -R $app:www-data "$final_path"
-chmod +x "$final_path/server/bin/prod.js"
+chmod -R o-rwx "$install_dir"
+chown -R $app:www-data "$install_dir"
+chmod +x "$install_dir/server/bin/prod.js"
 
 #=================================================
 # NGINX CONFIGURATION
@@ -113,7 +52,7 @@ ynh_add_nginx_config
 #=================================================
 ynh_script_progression --message="Building app... (this will take some time and resources!)" --weight=20
 
-pushd "$final_path"
+pushd "$install_dir"
 	ynh_use_nodejs
 	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH $ynh_npm install
 	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH $ynh_npm run build
@@ -124,16 +63,17 @@ popd
 #=================================================
 ynh_script_progression --message="Adding a configuration file..." --weight=2
 
-ynh_add_config --template="../conf/config.js" --destination="$final_path/server/config.js"
+ynh_add_config --template="../conf/config.js" --destination="$install_dir/server/config.js"
 
-chmod 400 "$final_path/server/config.js"
-chown $app: "$final_path/server/config.js"
+chmod 400 "$install_dir/server/config.js"
+chown $app: "$install_dir/server/config.js"
 
 #=================================================
 # SETUP SYSTEMD
 #=================================================
 ynh_script_progression --message="Configuring a systemd service..." --weight=1
 
+env_path="$PATH"
 # Create a dedicated systemd config
 ynh_add_systemd_config
 
@@ -152,28 +92,6 @@ ynh_script_progression --message="Starting a systemd service..." --weight=2
 # Start a systemd service
 ynh_systemd_action --service_name=$app --action="start" --log_path="systemd"
 
-#=================================================
-# 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
-
-ynh_permission_create --permission="api" --url="/api" --allowed="visitors" --auth_header="false" --show_tile="false" --protected="true"
-
-#=================================================
-# RELOAD NGINX
-#=================================================
-ynh_script_progression --message="Reloading NGINX web server..." --weight=2
-
-ynh_systemd_action --service_name=nginx --action=reload
-
 #=================================================
 # END OF SCRIPT
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index c9f2b99..1dba9eb 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -9,17 +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=$app --key=domain)
-port=$(ynh_app_setting_get --app=$app --key=port)
-final_path=$(ynh_app_setting_get --app=$app --key=final_path)
-
 #=================================================
 # STANDARD REMOVE
 #=================================================
@@ -54,7 +43,7 @@ ynh_redis_remove_db "$redis_db"
 ynh_script_progression --message="Removing $app main directory..." --weight=6
 
 # Remove the app directory securely
-ynh_secure_remove --file="$final_path"
+#REMOVEME? ynh_secure_remove --file="$install_dir"
 
 #=================================================
 # REMOVE NGINX CONFIGURATION
@@ -69,20 +58,8 @@ ynh_remove_nginx_config
 #=================================================
 ynh_script_progression --message="Removing dependencies..." --weight=1
 
-# Remove metapackage and its dependencies
-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 bcce26f..bb548c9 100644
--- 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 () {
-	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 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: $final_path "
-
-#=================================================
-# STANDARD RESTORATION STEPS
-#=================================================
-# RECREATE THE DEDICATED USER
-#=================================================
-ynh_script_progression --message="Recreating the dedicated system user..." --weight=1
-
-# Create the dedicated user (if not existing)
-ynh_system_user_create --username=$app --home_dir="$final_path"
-
 #=================================================
 # RESTORE THE APP MAIN DIR
 #=================================================
 ynh_script_progression --message="Restoring the app main directory..." --weight=6
 
-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 +x "$final_path/server/bin/prod.js"
+chmod -R o-rwx "$install_dir"
+chown -R $app:www-data "$install_dir"
+chmod +x "$install_dir/server/bin/prod.js"
 
 #=================================================
 # SPECIFIC RESTORATION
@@ -68,8 +28,6 @@ chmod +x "$final_path/server/bin/prod.js"
 #=================================================
 ynh_script_progression --message="Reinstalling dependencies..." --weight=7
 
-# Define and install dependencies
-ynh_exec_warn_less 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 29a1208..00c21be 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -9,41 +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=$app --key=final_path)
-port=$(ynh_app_setting_get --app=$app --key=port)
-redis_db=$(ynh_app_setting_get --app=$app --key=redis_db)
-
 #=================================================
 # 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=10
-
-# 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
 #=================================================
@@ -60,14 +31,6 @@ ynh_script_progression --message="Ensuring downward compatibility..."
 
 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
 #=================================================
@@ -76,36 +39,19 @@ if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
 	ynh_script_progression --message="Upgrading source files..." --weight=10
 
-	# Create a temporary directory
-	tmpdir="$(mktemp -d)"
-	
-	# Backup the config file in the temp dir
-	cp -a "$final_path/server/config.js" "$tmpdir/config.js"
-	
-	# Remove the app directory securely
-	ynh_secure_remove --file=$final_path
-
 	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir=$final_path
-
-	#Copy the admin saved settings from tmp directory to final path	
-	cp -a "$tmpdir/config.js" "$final_path/server/config.js" 
-
-	# Remove the tmp directory securely
-	ynh_secure_remove --file="$tmpdir"
+	ynh_setup_source --dest_dir=$install_dir --keep="server/config.js"
 fi
 
-chmod 750 "$final_path"
-chmod -R o-rwx "$final_path"
-chown -R $app:www-data "$final_path"
-chmod +x "$final_path/server/bin/prod.js"
+chmod -R o-rwx "$install_dir"
+chown -R $app:www-data "$install_dir"
+chmod +x "$install_dir/server/bin/prod.js"
 
 #=================================================
 # UPGRADE DEPENDENCIES
 #=================================================
 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
 
 #=================================================
@@ -126,7 +72,7 @@ if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
 	ynh_script_progression --message="Building app... (this will take some time and resources!)" --weight=16
 
-	pushd "$final_path"
+	pushd "$install_dir"
 		ynh_use_nodejs
 		ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH $ynh_npm install
 		ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH $ynh_npm run build
@@ -138,16 +84,17 @@ fi
 #=================================================
 ynh_script_progression --message="Updating a configuration file..."
 
-ynh_add_config --template="../conf/config.js" --destination="$final_path/server/config.js"
+ynh_add_config --template="../conf/config.js" --destination="$install_dir/server/config.js"
 
-chmod 400 "$final_path/server/config.js"
-chown $app: "$final_path/server/config.js"
+chmod 400 "$install_dir/server/config.js"
+chown $app: "$install_dir/server/config.js"
 
 #=================================================
 # SETUP SYSTEMD
 #=================================================
 ynh_script_progression --message="Upgrading systemd configuration..." --weight=2
 
+env_path="$PATH"
 # Create a dedicated systemd config
 ynh_add_systemd_config
 
@@ -167,13 +114,6 @@ ynh_script_progression --message="Starting a systemd service..." --weight=1
 
 ynh_systemd_action --service_name=$app --action="start" --log_path="systemd"
 
-#=================================================
-# 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..49e224b
--- /dev/null
+++ b/tests.toml
@@ -0,0 +1,9 @@
+test_format = 1.0
+
+[default]
+
+    # -------------------------------
+    # Commits to test upgrade from
+    # -------------------------------
+
+    test_upgrade_from.4e934960aecbec2e172f6486d79e2be32041858e.name = "Upgrade from 3.4.20~ynh2"