diff --git a/conf/nginx.conf b/conf/nginx.conf
index 8183896..123b5f0 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -1,44 +1,6 @@
 #sub_path_only rewrite ^__PATH__$ __PATH__/ permanent;
-location __PATH__/webdav {
-
-  uwsgi_pass      unix:///tmp/uwsgi-__APP__-webdav.socket;
-  include         uwsgi_params;
-  uwsgi_param     SCRIPT_NAME '';
-}
-
-location __PATH__/dav {
-
-  uwsgi_pass      unix:///tmp/uwsgi-__APP__-caldav.socket;
-  include         uwsgi_params;
-  uwsgi_param     SCRIPT_NAME '';
-}
-
-location __PATH__/assets/ {
-
-  # Path to source
-  alias __INSTALL_DIR__/frontend/dist/assets/ ;
-
-  try_files $uri $uri/;
-}
-
-location __PATH__/app/ {
-
-  # Path to source
-  alias __INSTALL_DIR__/frontend/dist/app/ ;
-
-  try_files $uri $uri/;
-}
-
-location __PATH__/favicon.ico {
-
-  # Path to source
-  alias __INSTALL_DIR__/frontend/dist/assets/branding/images/favicon/favicon.ico ;
-
-  try_files $uri $uri/;
-}
 
 location __PATH__/ {
-
   uwsgi_pass      unix:///tmp/uwsgi-__APP__-web.socket;
   include         uwsgi_params;
   uwsgi_param     SCRIPT_NAME '';
@@ -46,3 +8,33 @@ location __PATH__/ {
   # Include SSOWAT user panel.
   include conf.d/yunohost_panel.conf.inc;
 }
+
+location __PATH__/webdav {
+  uwsgi_pass      unix:///tmp/uwsgi-__APP__-webdav.socket;
+  include         uwsgi_params;
+  uwsgi_param     SCRIPT_NAME '';
+}
+
+location __PATH__/dav {
+  uwsgi_pass      unix:///tmp/uwsgi-__APP__-caldav.socket;
+  include         uwsgi_params;
+  uwsgi_param     SCRIPT_NAME '';
+}
+
+location __PATH__/assets/ {
+  # Path to source
+  alias __INSTALL_DIR__/www/assets/;
+  try_files $uri $uri/;
+}
+
+location __PATH__/app/ {
+  # Path to source
+  alias __INSTALL_DIR__/www/app/;
+  try_files $uri $uri/;
+}
+
+location __PATH__/favicon.ico {
+  # Path to source
+  alias __INSTALL_DIR__/www/assets/branding/images/favicon/favicon.ico;
+  try_files $uri $uri/;
+}
diff --git a/manifest.toml b/manifest.toml
index 270b4ad..f3ff22d 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -1,3 +1,5 @@
+#:schema https://raw.githubusercontent.com/YunoHost/apps/master/schemas/manifest.v2.schema.json
+
 packaging_format = 2
 
 id = "tracim"
@@ -70,11 +72,35 @@ ram.runtime = "50M"
     main.url = "/"
 
     [resources.apt]
-    packages = "ffmpeg, xvfb, inkscape, libreoffice, postgresql, ghostscript, git, imagemagick, iproute2, libfile-mimeinfo-perl, libimage-exiftool-perl, webp, libmagic1, locales, poppler-utils, python3, python3-pip, uwsgi, uwsgi-plugin-python3, supervisor, build-essential, libjpeg-dev, libmagickwand-dev, libpq-dev, python3-dev, python3-venv, redis-server"
-
-    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"
+    packages = [
+        "ffmpeg",
+        "xvfb",
+        "inkscape",
+        "libreoffice",
+        "postgresql",
+        "ghostscript",
+        "git",
+        "imagemagick",
+        "iproute2",
+        "libfile-mimeinfo-perl",
+        "libimage-exiftool-perl",
+        "webp",
+        "libmagic1",
+        "locales",
+        "poppler-utils",
+        "python3",
+        "python3-pip",
+        "uwsgi",
+        "uwsgi-plugin-python3",
+        "supervisor",
+        "build-essential",
+        "libjpeg-dev",
+        "libmagickwand-dev",
+        "libpq-dev",
+        "python3-dev",
+        "python3-venv",
+        "redis-server",
+    ]
 
     [resources.database]
     type = "postgresql"
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 9d577cf..67a7e27 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -10,6 +10,10 @@ nodejs_version=16
 # PERSONAL HELPERS
 #=================================================
 
+_corepack_enable() {
+    ynh_exec_warn_less ynh_exec_as "$app" env "$ynh_node_load_PATH" COREPACK_ENABLE_DOWNLOAD_PROMPT=0 corepack enable --install-directory="$install_dir/bin"
+}
+
 #=================================================
 # EXPERIMENTAL HELPERS
 #=================================================
diff --git a/scripts/install b/scripts/install
index 6b4ec54..9fbd27d 100755
--- a/scripts/install
+++ b/scripts/install
@@ -1,7 +1,5 @@
 #!/bin/bash
 
-#=================================================
-# GENERIC START
 #=================================================
 # IMPORT GENERIC HELPERS
 #=================================================
@@ -10,26 +8,24 @@ source _common.sh
 source /usr/share/yunohost/helpers
 
 #=================================================
-# RETRIEVE ARGUMENTS FROM THE MANIFEST
+# INITIALIZE AND STORE SETTINGS
 #=================================================
 
 api_key=$(ynh_string_random --length=8)
+ynh_app_setting_set --app="$app" --key="api_key" --value="$api_key"
+
 session_secret=$(ynh_string_random --length=8)
+ynh_app_setting_set --app="$app" --key="session_secret" --value="$session_secret"
+
 website_title="YunoHost Tracim"
-admin_mail=$(ynh_user_get_info --username=$admin --key=mail)
+ynh_app_setting_set --app="$app" --key="website_title" --value="$website_title"
 
-#=================================================
-# STORE SETTINGS FROM MANIFEST
-#=================================================
-
-ynh_app_setting_set --app=$app --key=api_key --value=$api_key
-ynh_app_setting_set --app=$app --key=session_secret --value=$session_secret
-ynh_app_setting_set --app=$app --key=website_title --value=$website_title
+admin_mail=$(ynh_user_get_info --username="$admin" --key=mail)
 
 #=================================================
 # INSTALL DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Installing dependencies..."
+ynh_script_progression --message="Installing NodeJS..."
 
 ynh_install_nodejs --nodejs_version=$nodejs_version
 
@@ -39,18 +35,10 @@ ynh_install_nodejs --nodejs_version=$nodejs_version
 ynh_script_progression --message="Setting up source files..."
 
 # Download, check integrity, uncompress and patch the source from app.src
-ynh_setup_source --dest_dir="$install_dir"
+ynh_setup_source --dest_dir="$install_dir/sources"
 
 chmod -R o-rwx "$install_dir"
-chown -R $app:www-data "$install_dir"
-
-#=================================================
-# NGINX CONFIGURATION
-#=================================================
-ynh_script_progression --message="Configuring NGINX web server..."
-
-# Create a dedicated NGINX config
-ynh_add_nginx_config
+chown -R "$app:www-data" "$install_dir"
 
 #=================================================
 # ADD A CONFIGURATION
@@ -58,90 +46,89 @@ ynh_add_nginx_config
 ynh_script_progression --message="Adding a configuration file..."
 
 redis_db=$(ynh_redis_get_free_db)
-ynh_app_setting_set --app=$app --key=redis_db --value=$redis_db
+ynh_app_setting_set --app="$app" --key=redis_db --value="$redis_db"
 
-ynh_add_config --template="../conf/development.ini.sample" --destination="$install_dir/backend/development.ini"
-chmod 400 "$install_dir/backend/development.ini"
-chown $app:$app "$install_dir/backend/development.ini"
+ynh_add_config --template="development.ini.sample" --destination="$install_dir/sources/backend/development.ini"
+chmod 400 "$install_dir/sources/backend/development.ini"
+chown "$app:$app" "$install_dir/sources/backend/development.ini"
 
-ynh_add_config --template="../conf/configEnv.json.sample" --destination="$install_dir/frontend/configEnv.json"
-chmod 400 "$install_dir/frontend/configEnv.json"
-chown $app:$app "$install_dir/frontend/configEnv.json"
+ynh_add_config --template="configEnv.json.sample" --destination="$install_dir/sources/frontend/configEnv.json"
+chmod 400 "$install_dir/sources/frontend/configEnv.json"
+chown "$app:$app" "$install_dir/sources/frontend/configEnv.json"
 
 #=================================================
 # BUILD APP
 #=================================================
 ynh_script_progression --message="Building app..."
 
-cp -r $install_dir/frontend/dist/assets/branding.sample $install_dir/frontend/dist/assets/branding
+cp -r "$install_dir/sources/frontend/dist/assets/branding.sample" "$install_dir/sources/frontend/dist/assets/branding"
 
-pushd "$install_dir/backend"
-	ynh_use_nodejs
-	python3 -m venv env
-	source env/bin/activate
-	ynh_exec_warn_less pip install -r requirements-build.txt
-	ynh_exec_warn_less pip install -r requirements.txt
-	ynh_exec_warn_less pip install -r requirements-full-preview-generator.txt
-	ynh_exec_warn_less pip install -r requirements-db-postgres.txt
-	ynh_exec_warn_less pip install -e "."
-	mkdir sessions_data sessions_lock previews
-	ynh_exec_warn_less tracimcli db init
-	ynh_exec_warn_less tracimcli user create -e $admin_mail -u $admin --lang $language -p $password --profile administrators
-	ynh_exec_warn_less tracimcli user delete -l admin@admin.admin
-	deactivate
-	ynh_exec_warn_less $ynh_npm install "i18next-conv@<8" -g
-	ynh_exec_warn_less ./update_i18n_json_file.sh || exit 1
+python3 -m venv "$install_dir/venv"
+pushd "$install_dir/sources/backend"
+    ynh_exec_warn_less "$install_dir/venv/bin/pip" install -r requirements-build.txt
+    ynh_exec_warn_less "$install_dir/venv/bin/pip" install -r requirements.txt
+    ynh_exec_warn_less "$install_dir/venv/bin/pip" install -r requirements-full-preview-generator.txt
+    ynh_exec_warn_less "$install_dir/venv/bin/pip" install -r requirements-db-postgres.txt
+    ynh_exec_warn_less "$install_dir/venv/bin/pip" install -e "."
 popd
 
+ynh_use_nodejs
+_corepack_enable
+export PATH="$install_dir/bin:$PATH"
+pushd "$install_dir/sources"
+    ynh_exec_warn_less "$ynh_npm" install "i18next-conv@<8" -g
+    ynh_exec_warn_less ./update_i18n_json_file.sh || exit 1
+    echo 'nodeLinker: node-modules' >> .yarnrc.yml
+    ynh_exec_warn_less yarn install
+    ynh_exec_warn_less ./build_full_frontend.sh
+    ynh_secure_remove --file="$install_dir/www"
+popd
+cp -R "$install_dir/sources/frontend/dist" "$install_dir/www"
+
 pushd "$install_dir"
-	echo 'nodeLinker: node-modules' >> .yarnrc.yml
-	ynh_exec_warn_less yarn install
-	ynh_exec_warn_less ./build_full_frontend.sh
+    mkdir sessions_data sessions_lock previews
+    ynh_exec_warn_less tracimcli db init
+    ynh_exec_warn_less tracimcli user create -e "$admin_mail" -u "$admin" --lang "$language" -p "$password" --profile administrators
+    ynh_exec_warn_less tracimcli user delete -l admin@admin.admin
 popd
 
 chmod 750 "$install_dir"
 chmod -R o-rwx "$install_dir"
-chown -R $app:www-data "$install_dir"
+chown -R "$app:www-data" "$install_dir"
 
 #=================================================
-# SETUP SYSTEMD
+# SYSTEM CONFIGURATION
 #=================================================
-ynh_script_progression --message="Configuring a systemd service..."
+ynh_script_progression --message="Adding system configurations related to $app..." --weight=1
+
+# Create a dedicated NGINX config
+ynh_add_nginx_config
 
 # Create a dedicated systemd config
 ynh_add_supervisor_config --service="$app" --template="supervisord.conf"
-
-ynh_add_config --template="../conf/web.ini" --destination="/etc/uwsgi/apps-available/$app-web.ini"
-chmod 400 "/etc/uwsgi/apps-available/$app-web.ini"
-chown $app:$app "/etc/uwsgi/apps-available/$app-web.ini"
-ln -sf /etc/uwsgi/apps-available/$app-web.ini /etc/uwsgi/apps-enabled/$app-web.ini
-
-ynh_add_config --template="../conf/webdav.ini" --destination="/etc/uwsgi/apps-available/$app-webdav.ini"
-chmod 400 "/etc/uwsgi/apps-available/$app-webdav.ini"
-chown $app:$app "/etc/uwsgi/apps-available/$app-webdav.ini"
-ln -sf /etc/uwsgi/apps-available/$app-webdav.ini /etc/uwsgi/apps-enabled/$app-webdav.ini
-
-ynh_add_config --template="../conf/caldav.ini" --destination="/etc/uwsgi/apps-available/$app-caldav.ini"
-chmod 400 "/etc/uwsgi/apps-available/$app-caldav.ini"
-chown $app:$app "/etc/uwsgi/apps-available/$app-caldav.ini"
-ln -sf /etc/uwsgi/apps-available/$app-caldav.ini /etc/uwsgi/apps-enabled/$app-caldav.ini
-
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# INTEGRATE SERVICE IN YUNOHOST
-#=================================================
-ynh_script_progression --message="Integrating service in YunoHost..."
-
 yunohost service add uwsgi --log="/var/log/uwsgi/app/$app-web.log"
 yunohost service add supervisor --log="/var/log/supervisor/supervisord.log"
 
+ynh_add_config --template="web.ini" --destination="/etc/uwsgi/apps-available/$app-web.ini"
+chmod 400 "/etc/uwsgi/apps-available/$app-web.ini"
+chown "$app:$app" "/etc/uwsgi/apps-available/$app-web.ini"
+ln -sf "/etc/uwsgi/apps-available/$app-web.ini" "/etc/uwsgi/apps-enabled/$app-web.ini"
+
+ynh_add_config --template="webdav.ini" --destination="/etc/uwsgi/apps-available/$app-webdav.ini"
+chmod 400 "/etc/uwsgi/apps-available/$app-webdav.ini"
+chown "$app:$app" "/etc/uwsgi/apps-available/$app-webdav.ini"
+ln -sf "/etc/uwsgi/apps-available/$app-webdav.ini" "/etc/uwsgi/apps-enabled/$app-webdav.ini"
+
+ynh_add_config --template="caldav.ini" --destination="/etc/uwsgi/apps-available/$app-caldav.ini"
+chmod 400 "/etc/uwsgi/apps-available/$app-caldav.ini"
+chown "$app:$app" "/etc/uwsgi/apps-available/$app-caldav.ini"
+ln -sf "/etc/uwsgi/apps-available/$app-caldav.ini" "/etc/uwsgi/apps-enabled/$app-caldav.ini"
+
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
-ynh_script_progression --message="Starting a systemd service..."
+ynh_script_progression --message="Starting $app's systemd service..."
 
-# Start a systemd service
 ynh_systemd_action --service_name="uwsgi" --action="restart" --log_path="/var/log/uwsgi/app/$app-web.log" --line_match="spawned uWSGI"
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 282a0dd..e134431 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -60,7 +60,7 @@ cp -r $install_dir/frontend/dist/assets/branding.sample $install_dir/frontend/di
 pushd "$install_dir/backend"
 	ynh_use_nodejs
 	ynh_secure_remove --file="$install_dir/backend/env"
-	python3 -m venv env
+	python3 -m venv venv
 	source env/bin/activate
 	ynh_exec_warn_less pip install -r requirements-build.txt
 	ynh_exec_warn_less ynh_exec_warn_less pip install -r requirements.txt
diff --git a/tests.toml b/tests.toml
index eb73b8d..94abb79 100644
--- a/tests.toml
+++ b/tests.toml
@@ -1,3 +1,5 @@
+#:schema https://raw.githubusercontent.com/YunoHost/apps/master/schemas/tests.v1.schema.json
+
 test_format = 1.0
 
-[default]
\ No newline at end of file
+[default]