diff --git a/check_process b/check_process
index 15e745b..f7295e7 100644
--- a/check_process
+++ b/check_process
@@ -1,16 +1,11 @@
-# See here for more information
-# https://github.com/YunoHost/package_check#syntax-check_process-file
-
-# Move this file from check_process.default to check_process when you have filled it.
-
 ;; Test complet
 	; Manifest
-		domain="domain.tld"	(DOMAIN)
-		path="/path"	(PATH)
+		domain="domain.tld"
+		path="/path"
 		username="john"
 		name="john"
 		email="admin@example.com"
-        is_public=1	(PUBLIC|public=1|private=0)
+        is_public=1
 	; Checks
 		pkg_linter=1
 		setup_sub_dir=1
@@ -30,5 +25,3 @@ Notification=change
 	; commit=0127b6ce332d4314d139cd62796cb0350adc37f8
 		name=Testing (#18)
 		manifest_arg=domain=DOMAIN&path=PATH&admin=USER&language=fr&is_public=1&password=pass&port=666&
-
-
diff --git a/manifest.json b/manifest.json
index 25f18f7..7a03e95 100644
--- a/manifest.json
+++ b/manifest.json
@@ -14,7 +14,7 @@
         "email": "anmol@datamol.org"
     },
     "requirements": {
-        "yunohost": ">= 4.1.7"
+        "yunohost": ">= 4.2.4"
     },
     "multi_instance": true,
     "services": [
diff --git a/scripts/_common.sh b/scripts/_common.sh
index f042f41..c7cb4b6 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -7,7 +7,7 @@
 YNH_PHP_VERSION="7.3"
 
 # dependencies used by the app
-pkg_dependencies="php${YNH_PHP_VERSION}-gd php${YNH_PHP_VERSION}-xml mailutils"
+pkg_dependencies="php${YNH_PHP_VERSION}-zip php${YNH_PHP_VERSION}-gd php${YNH_PHP_VERSION}-xml mailutils"
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/backup b/scripts/backup
index 98d4c61..9a6413e 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -36,19 +36,19 @@ ynh_print_info --message="Declaring files to be backed up..."
 # BACKUP THE APP MAIN DIR
 #=================================================
 
-ynh_backup "$final_path"
+ynh_backup --src_path="$final_path"
 
 #=================================================
 # BACKUP THE NGINX CONFIGURATION
 #=================================================
 
-ynh_backup "/etc/nginx/conf.d/$domain.d/$app.conf"
+ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 
 #=================================================
 # BACKUP THE PHP-FPM CONFIGURATION
 #=================================================
 
-ynh_backup "/etc/php/$phpversion/fpm/pool.d/$app.conf"
+ynh_backup --src_path="/etc/php/$phpversion/fpm/pool.d/$app.conf"
 
 #=================================================
 # BACKUP THE MYSQL DATABASE
diff --git a/scripts/install b/scripts/install
index 4b4954c..d0c9a5a 100755
--- a/scripts/install
+++ b/scripts/install
@@ -58,6 +58,14 @@ ynh_script_progression --message="Installing dependencies..."
 
 ynh_install_app_dependencies $pkg_dependencies
 
+#=================================================
+# CREATE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Configuring system user..."
+
+# Create a system user
+ynh_system_user_create --username=$app --home_dir="$final_path"
+
 #=================================================
 # CREATE A MYSQL DATABASE
 #=================================================
@@ -77,6 +85,11 @@ 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 700 $final_path/data
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
+
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
@@ -85,14 +98,6 @@ ynh_script_progression --message="Configuring NGINX web server..."
 # Create a dedicated NGINX config
 ynh_add_nginx_config
 
-#=================================================
-# CREATE DEDICATED USER
-#=================================================
-ynh_script_progression --message="Configuring system user..."
-
-# Create a system user
-ynh_system_user_create --username=$app
-
 #=================================================
 # PHP-FPM CONFIGURATION
 #=================================================
@@ -109,9 +114,6 @@ phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 # Adding the details of the database to the config file
 ynh_add_config --template="../conf/config.ini.php" --destination="$final_path/data/config.ini.php"
 
-# # Copy the config file to the final path
-# cp ../conf/config.ini.php $final_path/data/.
-
 # Load initial SQL into the new database
 ynh_mysql_connect_as "$db_name" "$db_pwd" "$db_name" < "../conf/sql/webtrees.sql"
 
@@ -123,16 +125,6 @@ ynh_replace_string --match_string="__PASSWORD__"   --replace_string="$admin_pass
 
 ynh_mysql_connect_as "$db_name" "$db_pwd" "$db_name" < "../conf/sql/admin.sql"
 
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# SECURE FILES AND DIRECTORIES
-#=================================================
-
-# Set permissions to app files
-chown -R $app: $final_path
-chmod -R 700 $final_path/data
-
 #=================================================
 # SETUP SSOWAT
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index fc63a56..15708d2 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -18,7 +18,7 @@ ynh_abort_if_errors
 #=================================================
 # LOAD SETTINGS
 #=================================================
-ynh_script_progression --message="Loading settings..."
+ynh_script_progression --message="Loading settings..." --weight=1
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -27,12 +27,13 @@ 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)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
+db_user=$db_name
 phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
 #=================================================
 # CHECK IF THE APP CAN BE RESTORED
 #=================================================
-ynh_script_progression --message="Validating restoration parameters..."
+ynh_script_progression --message="Validating restoration parameters..." --weight=1
 
 ynh_webpath_available $domain $path_url \
 	|| ynh_die "Path not available: ${domain}${path_url}"
@@ -45,43 +46,41 @@ test ! -d $final_path \
 # RESTORE THE NGINX CONFIGURATION
 #=================================================
 
-ynh_restore_file "/etc/nginx/conf.d/$domain.d/$app.conf"
-
-#=================================================
-# RESTORE THE APP MAIN DIR
-#=================================================
-ynh_script_progression --message="Restoring $app main directory..."
-
-ynh_restore_file "$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..."
+ynh_script_progression --message="Recreating the dedicated system user..." --weight=1
 
 # Create the dedicated user (if not existing)
-ynh_system_user_create $app
+ynh_system_user_create --username=$app --home_dir="$final_path"
 
 #=================================================
-# RESTORE USER RIGHTS
+# RESTORE THE APP MAIN DIR
 #=================================================
+ynh_script_progression --message="Restoring $app main directory..." --weight=1
 
-# Restore permissions to app files
-chown -R $app: "${final_path}"
+ynh_restore_file --origin_path="$final_path"
+
+chmod 750 "$final_path"
 chmod -R 700 $final_path/data
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
 
 #=================================================
 # RESTORE THE PHP-FPM CONFIGURATION
 #=================================================
+ynh_script_progression --message="Restoring the PHP-FPM configuration..." --weight=1
 
-ynh_restore_file "/etc/php/$phpversion/fpm/pool.d/$app.conf"
+ynh_restore_file --origin_path="/etc/php/$phpversion/fpm/pool.d/$app.conf"
 
 #=================================================
 # SPECIFIC RESTORATION
 #=================================================
 # REINSTALL DEPENDENCIES
 #=================================================
-ynh_script_progression --message="Reinstalling dependencies..."
+ynh_script_progression --message="Reinstalling dependencies..." --weight=3
 
 # Define and install dependencies
 ynh_install_app_dependencies $pkg_dependencies
@@ -89,18 +88,18 @@ ynh_install_app_dependencies $pkg_dependencies
 #=================================================
 # RESTORE THE MYSQL DATABASE
 #=================================================
-ynh_script_progression --message="Restoring the MySQL database..."
+ynh_script_progression --message="Restoring the MySQL database..." --weight=1
 
-db_pwd=$(ynh_app_setting_get $app mysqlpwd)
-ynh_mysql_setup_db $db_name $db_name $db_pwd
-ynh_mysql_connect_as $db_name $db_pwd $db_name < ./db.sql
+db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
+ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
+ynh_mysql_connect_as --user=$db_user --password=$db_pwd --database=$db_name < ./db.sql
 
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
 # RELOAD NGINX AND PHP-FPM
 #=================================================
-ynh_script_progression --message="Reloading NGINX web server and PHP-FPM..."
+ynh_script_progression --message="Reloading NGINX web server and PHP-FPM..." --weight=1
 
 ynh_systemd_action --service_name=php${phpversion}-fpm --action=reload
 ynh_systemd_action --service_name=nginx --action=reload
@@ -109,4 +108,4 @@ ynh_systemd_action --service_name=nginx --action=reload
 # END OF SCRIPT
 #=================================================
 
-ynh_script_progression --message="Restoration completed for $app"
+ynh_script_progression --message="Restoration completed for $app" --last
diff --git a/scripts/upgrade b/scripts/upgrade
index 72a477f..973f33d 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -59,6 +59,14 @@ ynh_clean_setup () {
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
 
+#=================================================
+# CREATE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Making sure dedicated system user exists..."
+
+# Create a dedicated user (if not existing)
+ynh_system_user_create --username=$app --home_dir="$final_path"
+
 #=================================================
 # CHECK THE PATH
 #=================================================
@@ -78,6 +86,11 @@ cp -a ${final_path}.old/data ${final_path}
 # delete temp directory
 ynh_secure_remove --file=${final_path}.old
 
+chmod 750 "$final_path"
+chmod -R 700 $final_path/data
+chmod -R o-rwx "$final_path"
+chown -R $app:www-data "$final_path"
+
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
@@ -93,14 +106,6 @@ ynh_script_progression --message="Upgrading dependencies..."
 
 ynh_install_app_dependencies $pkg_dependencies
 
-#=================================================
-# CREATE DEDICATED USER
-#=================================================
-ynh_script_progression --message="Making sure dedicated system user exists..."
-
-# Create a dedicated user (if not existing)
-ynh_system_user_create --username=$app
-
 #=================================================
 # PHP-FPM CONFIGURATION
 #=================================================
@@ -117,16 +122,6 @@ ynh_backup_if_checksum_is_different "$final_path/data/config.ini.php"
 # Recalculate and store the checksum of the file for the next upgrade.
 ynh_store_file_checksum "$final_path/data/config.ini.php"
 
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# SECURE FILES AND DIRECTORIES
-#=================================================
-
-# Set permissions on app files
-chown -R $app: $final_path
-chmod -R 700 $final_path/data
-
 #=================================================
 # GENERIC FINALIZATION
 #=================================================