diff --git a/conf/app.src b/conf/app.src
deleted file mode 100644
index 70e5381..0000000
--- a/conf/app.src
+++ /dev/null
@@ -1,7 +0,0 @@
-SOURCE_URL=https://github.com/gotson/komga/releases/download/v0.165.0/komga-0.165.0.jar
-SOURCE_SUM=27c769c3b1b32c99cb8a21521550a8a99150ea6236cf4cc164775b9b132099ff
-SOURCE_SUM_PRG=sha256sum
-SOURCE_FORMAT=jar
-SOURCE_IN_SUBDIR=false
-SOURCE_EXTRACT=false
-SOURCE_FILENAME=komga.jar
diff --git a/conf/systemd.service b/conf/systemd.service
index 519e1b4..3fa93e9 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -6,7 +6,7 @@ After=network.target
 Type=simple
 User=__APP__
 Group=__APP__
-WorkingDirectory=__FINALPATH__
+WorkingDirectory=__INSTALL_DIR__
 ExecStart=/usr/bin/java -jar -Xmx1g komga.jar --server.port=__PORT__ --server.servlet.context-path="__PATH__"
 Restart=on-failure
 RestartSec=10
diff --git a/manifest.toml b/manifest.toml
new file mode 100644
index 0000000..839290a
--- /dev/null
+++ b/manifest.toml
@@ -0,0 +1,60 @@
+packaging_format = 2
+
+id = "komga"
+name = "Komga"
+description.en = "Media server for your comics, manga and magazines"
+description.fr = "Serveur multimédia pour vos bandes dessinées, mangas et magazines"
+
+version = "0.165.0~ynh1"
+
+maintainers = ["Navan Chauhan"]
+
+[upstream]
+license = "MIT"
+website = "https://komga.org"
+demo = "https://demo.komga.org"
+admindoc = "https://komga.org/guides/"
+code = "https://github.com/gotson/komga"
+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 = ">= 4.3.0"
+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 = true
+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.path]
+    # this is a generic question - ask strings are automatically handled by Yunohost's core
+    type = "path"
+    default = "/komga"
+
+    [install.init_main_permission]
+    type = "group"
+    default = "visitors"
+
+[resources]
+        [resources.sources.main]
+        url = "https://github.com/gotson/komga/releases/download/v0.165.0/komga-0.165.0.jar"
+        sha256 = "27c769c3b1b32c99cb8a21521550a8a99150ea6236cf4cc164775b9b132099ff"
+        format = "jar"
+        rename = "komga.jar"
+
+
+    [resources.system_user]
+
+    [resources.install_dir]
+
+    [resources.data_dir]
+
+    [resources.permissions]
+    main.url = "/"
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 474bc51..b425298 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -5,7 +5,7 @@
 #=================================================
 
 # dependencies used by the app
-pkg_dependencies="openjdk-11-jre-headless"
+#REMOVEME? pkg_dependencies="openjdk-11-jre-headless"
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/backup b/scripts/backup
index f81894c..03215db 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -14,23 +14,23 @@ source /usr/share/yunohost/helpers
 # MANAGE SCRIPT FAILURE
 #=================================================
 
-ynh_clean_setup () {
+#REMOVEME? 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
+#REMOVEME? ynh_abort_if_errors
 
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_print_info --message="Loading installation settings..."
+#REMOVEME? ynh_print_info --message="Loading installation settings..."
 
-app=$YNH_APP_INSTANCE_NAME
+#REMOVEME? app=$YNH_APP_INSTANCE_NAME
 
-final_path=$(ynh_app_setting_get --app=$app --key=final_path)
-domain=$(ynh_app_setting_get --app=$app --key=domain)
-datadir=$(ynh_app_setting_get --app=$app --key=datadir)
+#REMOVEME? #REMOVEME? install_dir=$(ynh_app_setting_get --app=$app --key=install_dir)
+#REMOVEME? domain=$(ynh_app_setting_get --app=$app --key=domain)
+#REMOVEME? data_dir=$(ynh_app_setting_get --app=$app --key=data_dir)
 
 #=================================================
 # DECLARE DATA AND CONF FILES TO BACKUP
@@ -41,13 +41,13 @@ 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 Database DIR
 #=================================================
 
-ynh_backup --src_path="$datadir" --is_big
+ynh_backup --src_path="$data_dir" --is_big
 
 #=================================================
 # BACKUP THE NGINX CONFIGURATION
diff --git a/scripts/change_url b/scripts/change_url
index 29ec71b..a589d66 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -13,54 +13,54 @@ source /usr/share/yunohost/helpers
 # RETRIEVE ARGUMENTS
 #=================================================
 
-old_domain=$YNH_APP_OLD_DOMAIN
-old_path=$YNH_APP_OLD_PATH
+#REMOVEME? old_domain=$YNH_APP_OLD_DOMAIN
+#REMOVEME? old_path=$YNH_APP_OLD_PATH
 
-new_domain=$YNH_APP_NEW_DOMAIN
-new_path=$YNH_APP_NEW_PATH
+#REMOVEME? new_domain=$YNH_APP_NEW_DOMAIN
+#REMOVEME? new_path=$YNH_APP_NEW_PATH
 
-app=$YNH_APP_INSTANCE_NAME
+#REMOVEME? app=$YNH_APP_INSTANCE_NAME
 
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_script_progression --message="Loading installation settings..." --weight=1
+#REMOVEME? 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)
+#REMOVEME? # Needed for helper "ynh_add_nginx_config"
+#REMOVEME? #REMOVEME? install_dir=$(ynh_app_setting_get --app=$app --key=install_dir)
+#REMOVEME? port=$(ynh_app_setting_get --app=$app --key=port)
 
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 #=================================================
-ynh_script_progression --message="Backing up the app before changing its URL (may take a while)..." --weight=1
+#REMOVEME? 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 () {
+#REMOVEME? ynh_backup_before_upgrade
+#REMOVEME? 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"
+#REMOVEME? 	ynh_secure_remove --file="/etc/nginx/conf.d/$new_domain.d/$app.conf"
 
 	# Restore it if the upgrade fails
-	ynh_restore_upgradebackup
+#REMOVEME? 	ynh_restore_upgradebackup
 }
 # Exit if an error occurs during the execution of the script
-ynh_abort_if_errors
+#REMOVEME? ynh_abort_if_errors
 
 #=================================================
 # CHECK WHICH PARTS SHOULD BE CHANGED
 #=================================================
 
-change_domain=0
-if [ "$old_domain" != "$new_domain" ]
+#REMOVEME? change_domain=0
+#REMOVEME? if [ "$old_domain" != "$new_domain" ]
 then
-	change_domain=1
+	#REMOVEME? change_domain=1
 fi
 
-change_path=0
-if [ "$old_path" != "$new_path" ]
+#REMOVEME? change_path=0
+#REMOVEME? if [ "$old_path" != "$new_path" ]
 then
-	change_path=1
+	#REMOVEME? change_path=1
 fi
 
 #=================================================
@@ -77,36 +77,38 @@ systemctl daemon-reload
 #=================================================
 ynh_script_progression --message="Updating NGINX web server configuration..." --weight=1
 
-nginx_conf_path=/etc/nginx/conf.d/$old_domain.d/$app.conf
+ynh_change_url_nginx_config
+
+#REMOVEME? 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"
+#REMOVEME? 	ynh_backup_if_checksum_is_different --file="$nginx_conf_path"
 	# Set global variables for NGINX helper
-	domain="$old_domain"
-	path_url="$new_path"
+#REMOVEME? 	domain="$old_domain"
+#REMOVEME? 	path="$new_path"
 	# Create a dedicated NGINX config
-	ynh_add_nginx_config
+#REMOVEME? 	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/$app.conf
+#REMOVEME? 	ynh_delete_file_checksum --file="$nginx_conf_path"
+#REMOVEME? 	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/$app.conf"
+#REMOVEME? 	ynh_store_file_checksum --file="/etc/nginx/conf.d/$new_domain.d/$app.conf"
 fi
 
 #=================================================
 # SETUP SYSTEMD
 #=================================================
 ynh_script_progression --message="Configuring a systemd service..." --weight=1
-
-path_url=$new_path
+#REMOVEME? 
+path=$new_path
 # Create a dedicated systemd config
 ynh_add_systemd_config
 
@@ -122,9 +124,9 @@ ynh_systemd_action --service_name=$app --action=start --log_path="systemd" --lin
 #=================================================
 # RELOAD NGINX
 #=================================================
-ynh_script_progression --message="Reloading NGINX web server..." --weight=1
+#REMOVEME? ynh_script_progression --message="Reloading NGINX web server..." --weight=1
 
-ynh_systemd_action --service_name=nginx --action=reload
+#REMOVEME? #REMOVEME? ynh_systemd_action --service_name=nginx --action=reload
 
 #=================================================
 # END OF SCRIPT
diff --git a/scripts/install b/scripts/install
index 593c1b3..eb02bc2 100755
--- a/scripts/install
+++ b/scripts/install
@@ -13,81 +13,81 @@ source /usr/share/yunohost/helpers
 # MANAGE SCRIPT FAILURE
 #=================================================
 
-ynh_clean_setup () {
+#REMOVEME? 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
+#REMOVEME? ynh_abort_if_errors
 
 #=================================================
 # RETRIEVE ARGUMENTS FROM THE MANIFEST
 #=================================================
 
-domain=$YNH_APP_ARG_DOMAIN
-path_url=$YNH_APP_ARG_PATH
-is_public=$YNH_APP_ARG_IS_PUBLIC
+#REMOVEME? domain=$YNH_APP_ARG_DOMAIN
+#REMOVEME? path=$YNH_APP_ARG_PATH
+#REMOVEME? is_public=$YNH_APP_ARG_IS_PUBLIC
 
-app=$YNH_APP_INSTANCE_NAME
+#REMOVEME? app=$YNH_APP_INSTANCE_NAME
 
 #=================================================
 # CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
 #=================================================
-ynh_script_progression --message="Validating installation parameters..." --weight=1
+#REMOVEME? ynh_script_progression --message="Validating installation parameters..." --weight=1
 
-final_path=/opt/yunohost/$app
-test ! -e "$final_path" || ynh_die --message="This path already contains a folder"
+#REMOVEME? install_dir=/opt/yunohost/$app
+#REMOVEME? test ! -e "$install_dir" || ynh_die --message="This path already contains a folder"
 
 # Register (book) web path
-ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url
+#REMOVEME? ynh_webpath_register --app=$app --domain=$domain --path=$path
 
 #=================================================
 # STORE SETTINGS FROM MANIFEST
 #=================================================
-ynh_script_progression --message="Storing installation settings..." --weight=3
+#REMOVEME? ynh_script_progression --message="Storing installation settings..." --weight=3
 
-ynh_app_setting_set --app=$app --key=domain --value=$domain
-ynh_app_setting_set --app=$app --key=path --value=$path_url
+#REMOVEME? ynh_app_setting_set --app=$app --key=domain --value=$domain
+#REMOVEME? ynh_app_setting_set --app=$app --key=path --value=$path
 
 #=================================================
 # STANDARD MODIFICATIONS
 #=================================================
 # FIND AND OPEN A PORT
 #=================================================
-ynh_script_progression --message="Finding an available port..." --weight=1
+#REMOVEME? ynh_script_progression --message="Finding an available port..." --weight=1
 
 # Find an available port
-port=$(ynh_find_port --port=8443)
-ynh_app_setting_set --app=$app --key=port --value=$port
+#REMOVEME? port=$(ynh_find_port --port=8443)
+#REMOVEME? ynh_app_setting_set --app=$app --key=port --value=$port
 
 #=================================================
 # INSTALL DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Installing dependencies..." --weight=1
+#REMOVEME? ynh_script_progression --message="Installing dependencies..." --weight=1
 
-ynh_install_app_dependencies $pkg_dependencies
+#REMOVEME? ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
 # CREATE DEDICATED USER
 #=================================================
-ynh_script_progression --message="Configuring system user..." --weight=2
+#REMOVEME? ynh_script_progression --message="Configuring system user..." --weight=2
 
 # Create a system user
-ynh_system_user_create --username=$app --home_dir="$final_path"
+#REMOVEME? ynh_system_user_create --username=$app --home_dir="$install_dir"
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
 ynh_script_progression --message="Setting up source files..." --weight=15
 
-ynh_app_setting_set --app=$app --key=final_path --value=$final_path
+#REMOVEME? ynh_app_setting_set --app=$app --key=install_dir --value=$install_dir
 # 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 $final_path/komga.jar
+chmod 750 "$install_dir"
+chmod -R o-rwx "$install_dir"
+chown -R $app:www-data "$install_dir"
+chmod +x $install_dir/komga.jar
 
 #=================================================
 # NGINX CONFIGURATION
@@ -102,14 +102,14 @@ ynh_add_nginx_config
 #=================================================
 ynh_script_progression --message="Creating a data directory..." --weight=1
 
-datadir=/home/yunohost.app/$app
-ynh_app_setting_set --app=$app --key=datadir --value=$datadir
+#REMOVEME? data_dir=/home/yunohost.app/$app
+#REMOVEME? ynh_app_setting_set --app=$app --key=data_dir --value=$data_dir
 
-mkdir -p $datadir/.komga
+mkdir -p $data_dir/.komga
 
-chmod 750 "$datadir"
-chmod -R o-rwx "$datadir"
-chown -R $app:www-data "$datadir"
+chmod 750 "$data_dir"
+chmod -R o-rwx "$data_dir"
+chown -R $app:www-data "$data_dir"
 
 #=================================================
 # SETUP SYSTEMD
@@ -145,22 +145,22 @@ ynh_systemd_action --service_name=$app --action=start --log_path="systemd" --lin
 #=================================================
 # SETUP SSOWAT
 #=================================================
-ynh_script_progression --message="Configuring permissions..." --weight=3
+#REMOVEME? ynh_script_progression --message="Configuring permissions..." --weight=3
 
 ynh_permission_url --permission="main" --auth_header="false"
 
 # Make app public if necessary
-if [ $is_public -eq 1 ]
+#REMOVEME? if [ $is_public -eq 1 ]
 then
-	ynh_permission_update --permission="main" --add="visitors"
+#REMOVEME? 	ynh_permission_update --permission="main" --add="visitors"
 fi
 
 #=================================================
 # RELOAD NGINX
 #=================================================
-ynh_script_progression --message="Reloading NGINX web server..." --weight=6
+#REMOVEME? ynh_script_progression --message="Reloading NGINX web server..." --weight=6
 
-ynh_systemd_action --service_name=nginx --action=reload
+#REMOVEME? ynh_systemd_action --service_name=nginx --action=reload
 
 #=================================================
 # END OF SCRIPT
diff --git a/scripts/remove b/scripts/remove
index 4644a96..5465d47 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -12,14 +12,14 @@ source /usr/share/yunohost/helpers
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_script_progression --message="Loading installation settings..." --weight=1
+#REMOVEME? ynh_script_progression --message="Loading installation settings..." --weight=1
 
-app=$YNH_APP_INSTANCE_NAME
+#REMOVEME? app=$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)
-datadir=$(ynh_app_setting_get --app=$app --key=datadir)
+#REMOVEME? domain=$(ynh_app_setting_get --app=$app --key=domain)
+#REMOVEME? port=$(ynh_app_setting_get --app=$app --key=port)
+#REMOVEME? #REMOVEME? install_dir=$(ynh_app_setting_get --app=$app --key=install_dir)
+#REMOVEME? data_dir=$(ynh_app_setting_get --app=$app --key=data_dir)
 
 #=================================================
 # STANDARD REMOVE
@@ -45,18 +45,18 @@ ynh_remove_systemd_config
 #=================================================
 # REMOVE DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Removing dependencies..." --weight=1
+#REMOVEME? ynh_script_progression --message="Removing dependencies..." --weight=1
 
 # Remove metapackage and its dependencies
-ynh_remove_app_dependencies
+#REMOVEME? ynh_remove_app_dependencies
 
 #=================================================
 # REMOVE APP MAIN DIR
 #=================================================
-ynh_script_progression --message="Removing app main directory and database..." --weight=6
+#REMOVEME? ynh_script_progression --message="Removing app main directory and database..." --weight=6
 
 # Remove the app directory securely
-ynh_secure_remove --file="$final_path"
+#REMOVEME? ynh_secure_remove --file="$install_dir"
 
 #=================================================
 # REMOVE DATA DIR
@@ -66,7 +66,7 @@ ynh_secure_remove --file="$final_path"
 if [ "${YNH_APP_PURGE:-0}" -eq 1 ]
 then
 	ynh_script_progression --message="Removing app data directory..." --weight=1
-	ynh_secure_remove --file="$datadir"
+#REMOVEME? 	ynh_secure_remove --file="$data_dir"
 fi
 
 #=================================================
@@ -90,10 +90,10 @@ ynh_remove_logrotate
 #=================================================
 # REMOVE DEDICATED USER
 #=================================================
-ynh_script_progression --message="Removing the dedicated system user..." --weight=1
+#REMOVEME? ynh_script_progression --message="Removing the dedicated system user..." --weight=1
 
 # Delete a system user
-ynh_system_user_delete --username=$app
+#REMOVEME? ynh_system_user_delete --username=$app
 
 #=================================================
 # END OF SCRIPT
diff --git a/scripts/restore b/scripts/restore
index acdf211..6ecb6bd 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -14,33 +14,33 @@ source /usr/share/yunohost/helpers
 # MANAGE SCRIPT FAILURE
 #=================================================
 
-ynh_clean_setup () {
+#REMOVEME? 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
+#REMOVEME? ynh_abort_if_errors
 
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_script_progression --message="Loading installation settings..." --weight=1
+#REMOVEME? ynh_script_progression --message="Loading installation settings..." --weight=1
 
-app=$YNH_APP_INSTANCE_NAME
+#REMOVEME? app=$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)
-datadir=$(ynh_app_setting_get --app=$app --key=datadir)
+#REMOVEME? domain=$(ynh_app_setting_get --app=$app --key=domain)
+#REMOVEME? path=$(ynh_app_setting_get --app=$app --key=path)
+#REMOVEME? #REMOVEME? install_dir=$(ynh_app_setting_get --app=$app --key=install_dir)
+#REMOVEME? port=$(ynh_app_setting_get --app=$app --key=port)
+#REMOVEME? data_dir=$(ynh_app_setting_get --app=$app --key=data_dir)
 
 #=================================================
 # CHECK IF THE APP CAN BE RESTORED
 #=================================================
-ynh_script_progression --message="Validating restoration parameters..." --weight=1
+#REMOVEME? ynh_script_progression --message="Validating restoration parameters..." --weight=1
 
-test ! -d $final_path \
-	|| ynh_die --message="There is already a directory: $final_path "
+#REMOVEME? test ! -d $install_dir \
+	|| ynh_die --message="There is already a directory: $install_dir "
 
 #=================================================
 # STANDARD RESTORATION STEPS
@@ -53,45 +53,45 @@ ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 #=================================================
 # RECREATE THE DEDICATED USER
 #=================================================
-ynh_script_progression --message="Recreating the dedicated system user..." --weight=2
+#REMOVEME? ynh_script_progression --message="Recreating the dedicated system user..." --weight=2
 
 # Create the dedicated user (if not existing)
-ynh_system_user_create --username=$app --home_dir="$final_path"
+#REMOVEME? ynh_system_user_create --username=$app --home_dir="$install_dir"
 
 #=================================================
 # RESTORE THE APP MAIN DIR
 #=================================================
 ynh_script_progression --message="Restoring the app main directory..." --weight=3
 
-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 $final_path/komga.jar
+chmod 750 "$install_dir"
+chmod -R o-rwx "$install_dir"
+chown -R $app:www-data "$install_dir"
+chmod +x $install_dir/komga.jar
 
 #=================================================
 # RESTORE THE DATA DIRECTORY
 #=================================================
 ynh_script_progression --message="Restoring the data directory..." --weight=1
 
-ynh_restore_file --origin_path="$datadir" --not_mandatory
+ynh_restore_file --origin_path="$data_dir" --not_mandatory
 
-mkdir -p $datadir
+mkdir -p $data_dir
 
-chmod 750 "$datadir"
-chmod -R o-rwx "$datadir"
-chown -R $app:www-data "$datadir"
+chmod 750 "$data_dir"
+chmod -R o-rwx "$data_dir"
+chown -R $app:www-data "$data_dir"
 
 #=================================================
 # SPECIFIC RESTORATION
 #=================================================
 # REINSTALL DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Reinstalling dependencies..." --weight=1
+#REMOVEME? ynh_script_progression --message="Reinstalling dependencies..." --weight=1
 
 # Define and install dependencies
-ynh_install_app_dependencies $pkg_dependencies
+#REMOVEME? ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
 # RESTORE SYSTEMD
diff --git a/scripts/upgrade b/scripts/upgrade
index f803e44..82ac7fa 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -12,14 +12,14 @@ source /usr/share/yunohost/helpers
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_script_progression --message="Loading installation settings..." --weight=1
+#REMOVEME? ynh_script_progression --message="Loading installation settings..." --weight=1
 
-app=$YNH_APP_INSTANCE_NAME
+#REMOVEME? app=$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)
+#REMOVEME? domain=$(ynh_app_setting_get --app=$app --key=domain)
+#REMOVEME? path=$(ynh_app_setting_get --app=$app --key=path)
+#REMOVEME? #REMOVEME? install_dir=$(ynh_app_setting_get --app=$app --key=install_dir)
+#REMOVEME? port=$(ynh_app_setting_get --app=$app --key=port)
 
 #=================================================
 # CHECK VERSION
@@ -35,15 +35,15 @@ ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 #=================================================
-ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=2
+#REMOVEME? ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=2
 
 # Backup the current version of the app
-ynh_backup_before_upgrade
-ynh_clean_setup () {
-	ynh_restore_upgradebackup
+#REMOVEME? ynh_backup_before_upgrade
+#REMOVEME? ynh_clean_setup () {
+#REMOVEME? 	ynh_restore_upgradebackup
 }
 # Exit if an error occurs during the execution of the script
-ynh_abort_if_errors
+#REMOVEME? ynh_abort_if_errors
 
 #=================================================
 # STANDARD UPGRADE STEPS
@@ -57,10 +57,10 @@ ynh_systemd_action --service_name=$app --action=stop --log_path="systemd"
 #=================================================
 # CREATE DEDICATED USER
 #=================================================
-ynh_script_progression --message="Making sure dedicated system user exists..." --weight=6
+#REMOVEME? ynh_script_progression --message="Making sure dedicated system user exists..." --weight=6
 
 # Create a dedicated user (if not existing)
-ynh_system_user_create --username=$app --home_dir="$final_path"
+#REMOVEME? ynh_system_user_create --username=$app --home_dir="$install_dir"
 
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
@@ -71,13 +71,13 @@ then
 	ynh_script_progression --message="Upgrading source files..." --weight=3
 
 	# 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"
 fi
 
-chmod 750 "$final_path"
-chmod -R o-rwx "$final_path"
-chown -R $app:www-data "$final_path"
-chmod +x $final_path/komga.jar
+chmod 750 "$install_dir"
+chmod -R o-rwx "$install_dir"
+chown -R $app:www-data "$install_dir"
+chmod +x $install_dir/komga.jar
 
 #=================================================
 # NGINX CONFIGURATION
@@ -90,9 +90,9 @@ ynh_add_nginx_config
 #=================================================
 # UPGRADE DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Upgrading dependencies..." --weight=1
+#REMOVEME? ynh_script_progression --message="Upgrading dependencies..." --weight=1
 
-ynh_install_app_dependencies $pkg_dependencies
+#REMOVEME? ynh_install_app_dependencies $pkg_dependencies
 
 #=================================================
 # SETUP SYSTEMD
@@ -127,9 +127,9 @@ ynh_systemd_action --service_name=$app --action=start --log_path="systemd" --lin
 #=================================================
 # RELOAD NGINX
 #=================================================
-ynh_script_progression --message="Reloading NGINX web server..." --weight=3
+#REMOVEME? ynh_script_progression --message="Reloading NGINX web server..." --weight=3
 
-ynh_systemd_action --service_name=nginx --action=reload
+#REMOVEME? ynh_systemd_action --service_name=nginx --action=reload
 
 #=================================================
 # END OF SCRIPT