diff --git a/check_process b/check_process
index cd75927..7a9daac 100644
--- a/check_process
+++ b/check_process
@@ -1,12 +1,9 @@
-# See here for more information
-# https://github.com/YunoHost/package_check#syntax-check_process-file
-
 ;; Test complet
 	; Manifest
-		domain="domain.tld"	(DOMAIN)
-		path="/path"	(PATH)
-		is_public=1	(PUBLIC|public=1|private=0)
-		port="8080"	(PORT)
+		domain="domain.tld"
+		path="/path"
+		is_public=1
+		port="8080"
 	; Checks
 		pkg_linter=1
 		setup_sub_dir=1
@@ -17,7 +14,6 @@
 		upgrade=1
 		backup_restore=1
 		multi_instance=1
-		port_already_use=0
 		change_url=1
 ;;; Options
 Email=
diff --git a/conf/app.src b/conf/app.src
index 3de536e..41a4ee0 100644
--- a/conf/app.src
+++ b/conf/app.src
@@ -1,6 +1,7 @@
-SOURCE_URL=https://github.com/gotson/komga/releases/download/v0.87.4/komga-0.87.4.jar
-SOURCE_SUM=35ff050b912d516e8026e22a85deb5e76d70744d520d7e92203192fb9abb4101
+SOURCE_URL=https://github.com/gotson/komga/releases/download/v0.106.1/komga-0.106.1.jar
+SOURCE_SUM=53c7c617793acbfb134ed5c3c48c1702761feb67fd6a5478bdf403f3479fc40a
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=jar
-SOURCE_IN_SUBDIR=true
+SOURCE_IN_SUBDIR=false
 SOURCE_EXTRACT=false
+SOURCE_FILENAME=komga.jar
diff --git a/conf/systemd.service b/conf/systemd.service
index 6e2c583..8303cac 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -6,8 +6,8 @@ After=network.target
 Type=simple
 User=__APP__
 Group=__APP__
-WorkingDirectory=__FINALPATH__/
-ExecStart=/usr/bin/java -jar -Xmx1g app.jar --server.port=__PORT__ --server.servlet.context-path="__PATH__/"
+WorkingDirectory=__FINALPATH__
+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.json b/manifest.json
index 2ad4a72..97633bd 100644
--- a/manifest.json
+++ b/manifest.json
@@ -16,7 +16,7 @@
         "url": "https://navan.dev"
     },
     "requirements": {
-        "yunohost": ">= 4.1.3"
+        "yunohost": ">= 4.2.4"
     },
     "services": [
         "nginx"
@@ -26,29 +26,17 @@
             {
                 "name": "domain",
                 "type": "domain",
-                "ask": {
-                    "en": "Choose a domain name for Komga",
-                    "fr": "Choisissez un nom de domaine pour Komga"
-                },
                 "example": "example.com"
             },
             {
                 "name": "path",
                 "type": "path",
-                "ask": {
-                    "en": "Choose a path for Komga",
-                    "fr": "Choisissez un chemin pour Komga"
-                },
                 "example": "/komga",
                 "default": "/komga"
             },
             {
                 "name": "is_public",
                 "type": "boolean",
-                "ask": {
-                    "en": "Is it a public application?",
-                    "fr": "Est-ce une application publique ?"
-                },
                 "default": true
             }
         ]
diff --git a/scripts/backup b/scripts/backup
index b20c554..f81894c 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -30,6 +30,7 @@ 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)
 
 #=================================================
 # DECLARE DATA AND CONF FILES TO BACKUP
@@ -46,7 +47,7 @@ ynh_backup --src_path="$final_path"
 # BACKUP THE Database DIR
 #=================================================
 
-ynh_backup --src_path="/home/komga"
+ynh_backup --src_path="$datadir" --is_big
 
 #=================================================
 # BACKUP THE NGINX CONFIGURATION
diff --git a/scripts/install b/scripts/install
index 2e66ffe..dc6adb8 100755
--- a/scripts/install
+++ b/scripts/install
@@ -67,6 +67,14 @@ ynh_script_progression --message="Installing dependencies..." --weight=1
 
 ynh_install_app_dependencies $pkg_dependencies
 
+#=================================================
+# CREATE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Configuring system user..." --weight=2
+
+# Create a system user
+ynh_system_user_create --username=$app --home_dir="$final_path"
+
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
@@ -76,6 +84,11 @@ 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"
 
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
+chmod +x $final_path/komga.jar
+
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
@@ -85,46 +98,27 @@ ynh_script_progression --message="Configuring NGINX web server..." --weight=2
 ynh_add_nginx_config
 
 #=================================================
-# CREATE DEDICATED USER
+# CREATE DATA DIRECTORY
 #=================================================
-ynh_script_progression --message="Configuring system user..." --weight=2
+ynh_script_progression --message="Creating a data directory..." --weight=1
 
-# Create a system user
-ynh_system_user_create --username=$app
+datadir=/home/yunohost.app/$app
+ynh_app_setting_set --app=$app --key=datadir --value=$datadir
 
-#=================================================
-# SPECIFIC SETUP
-#=================================================
-# CREATE DIRECTORIES
-#=================================================
+mkdir -p $datadir/.komga
 
-mkdir -p /home/$app/.komga/
+chmod 750 "$datadir"
+chmod -R o-rwx "$datadir"
+chown -R $app:www-data "$datadir"
 
 #=================================================
 # SETUP SYSTEMD
 #=================================================
 ynh_script_progression --message="Configuring a systemd service..." --weight=1
 
-ynh_replace_string --match_string=__PORT__ --replace_string="$port" --target_file="../conf/systemd.service"
-ynh_replace_string --match_string=__PATH__ --replace_string="$path_url" --target_file="../conf/systemd.service"
-
 # Create a dedicated systemd config
 ynh_add_systemd_config
 
-
-
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# SECURE FILES AND DIRECTORIES
-#=================================================
-
-# Set permissions to app files
-chown -R $app: $final_path
-chmod +x $final_path/app.jar
-chown -R $app: /home/$app
-chmod -R 755 /home/$app/.komga/
-
 #=================================================
 # SETUP LOGROTATE
 #=================================================
diff --git a/scripts/remove b/scripts/remove
index e025c61..5254aeb 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -56,7 +56,6 @@ ynh_script_progression --message="Removing app main directory and database..." -
 
 # Remove the app directory securely
 ynh_secure_remove --file="$final_path"
-ynh_secure_remove --file="/home/komga"
 
 #=================================================
 # REMOVE NGINX CONFIGURATION
@@ -74,15 +73,6 @@ ynh_script_progression --message="Removing logrotate configuration..." --weight=
 # Remove the app-specific logrotate config
 ynh_remove_logrotate
 
-#=================================================
-# SPECIFIC REMOVE
-#=================================================
-# REMOVE VARIOUS FILES
-#=================================================
-
-# Remove the log files
-ynh_secure_remove --file="/var/log/$app"
-
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 5c4fdc8..ec91735 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -32,6 +32,7 @@ domain=$(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)
 
 #=================================================
 # CHECK IF THE APP CAN BE RESTORED
@@ -51,6 +52,14 @@ test ! -d $final_path \
 
 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
+
+# Create the dedicated user (if not existing)
+ynh_system_user_create --username=$app --home_dir="$final_path"
+
 #=================================================
 # RESTORE THE APP MAIN DIR
 #=================================================
@@ -58,28 +67,23 @@ ynh_script_progression --message="Restoring the app main directory..." --weight=
 
 ynh_restore_file --origin_path="$final_path"
 
-#=================================================
-# RESTORE THE DATABASE DIR
-#=================================================
-ynh_script_progression --message="Restoring the app database..." --weight=6
-
-ynh_restore_file --origin_path="/home/komga"
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
+chmod +x $final_path/komga.jar
 
 #=================================================
-# RECREATE THE DEDICATED USER
+# RESTORE THE DATA DIRECTORY
 #=================================================
-ynh_script_progression --message="Recreating the dedicated system user..." --weight=2
+ynh_script_progression --message="Restoring the data directory..." --weight=1
 
-# Create the dedicated user (if not existing)
-ynh_system_user_create --username=$app
+ynh_restore_file --origin_path="$datadir" --not_mandatory
 
-#=================================================
-# RESTORE USER RIGHTS
-#=================================================
+mkdir -p $datadir
 
-# Restore permissions on app files
-chown -R $app: $final_path
-chown -R $app: "/home/komga"
+chmod 750 "$datadir"
+chmod -R o-rwx "$datadir"
+chown -R $app:www-data "$datadir"
 
 #=================================================
 # SPECIFIC RESTORATION
diff --git a/scripts/upgrade b/scripts/upgrade
index d85f3ce..d768a3e 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -54,6 +54,14 @@ ynh_script_progression --message="Stopping a systemd service..." --weight=2
 
 ynh_systemd_action --service_name=$app --action=stop --log_path="/var/log/$app/$app.log"
 
+#=================================================
+# CREATE DEDICATED USER
+#=================================================
+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"
+
 #=================================================
 # DOWNLOAD, CHECK AND UNPACK SOURCE
 #=================================================
@@ -66,6 +74,11 @@ then
 	ynh_setup_source --dest_dir="$final_path"
 fi
 
+chmod 750 "$final_path"
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
+chmod +x $final_path/komga.jar
+
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
@@ -81,35 +94,14 @@ ynh_script_progression --message="Upgrading dependencies..." --weight=1
 
 ynh_install_app_dependencies $pkg_dependencies
 
-#=================================================
-# CREATE DEDICATED USER
-#=================================================
-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
-
 #=================================================
 # SETUP SYSTEMD
 #=================================================
 ynh_script_progression --message="Upgrading systemd configuration..." --weight=1
 
-ynh_replace_string --match_string=__PORT__ --replace_string="$port" --target_file="../conf/systemd.service"
-ynh_replace_string --match_string=__PATH__ --replace_string="$path_url" --target_file="../conf/systemd.service"
-
 # Create a dedicated systemd config
 ynh_add_systemd_config
 
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# SECURE FILES AND DIRECTORIES
-#=================================================
-
-# Set permissions on app files
-chown -R $app: $final_path
-chmod +x $final_path/app.jar
-
 #=================================================
 # SETUP LOGROTATE
 #=================================================