diff --git a/check_process b/check_process
index 78f1741..8c4f6f9 100644
--- a/check_process
+++ b/check_process
@@ -4,7 +4,7 @@
 		path="/path"
 		admin="john"
 		is_public=1
-		password="pass"
+		password="super_password"
 	; Checks
 		pkg_linter=1
 		setup_sub_dir=1
diff --git a/conf/fr.src b/conf/fr.src
new file mode 100644
index 0000000..37cdc12
--- /dev/null
+++ b/conf/fr.src
@@ -0,0 +1,7 @@
+SOURCE_URL=https://github.com/qiaeru/phpbb-language-fr/archive/refs/tags/v4.4.0.zip
+SOURCE_SUM=c3a655a36ca7ce97ccae927850c2b4f1e1d2734558f2e08ca94bbf05e50aaafb
+SOURCE_SUM_PRG=sha256sum
+SOURCE_FORMAT=zip
+SOURCE_IN_SUBDIR=true
+SOURCE_FILENAME=phpbb-language-fr-4.4.0.zip
+SOURCE_EXTRACT=true
diff --git a/conf/install-config.yml.default b/conf/install-config.yml.default
new file mode 100644
index 0000000..5359d66
--- /dev/null
+++ b/conf/install-config.yml.default
@@ -0,0 +1,38 @@
+installer:
+    admin:
+        name: __ADMIN__
+        password: __PASSWORD__
+        email: __EMAIL__
+
+    board:
+        lang: en
+        name: My Board
+        description: My amazing new phpBB board
+
+    database:
+        dbms: mysqli
+        dbhost: ~
+        dbport: ~
+        dbuser: __DB_USER__
+        dbpasswd: __DB_PWD__
+        dbname: __DB_NAME__
+        table_prefix: phpbb_
+
+    email:
+        enabled: true
+        smtp_delivery : ~
+        smtp_host: ~
+        smtp_port: ~
+        smtp_auth: PLAIN
+        smtp_user: ~
+        smtp_pass: ~
+
+    server:
+        cookie_secure: true
+        server_protocol: https://
+        force_server_vars: false
+        server_name: __DOMAIN__
+        server_port: 80
+        script_path: __PATH_URL__
+
+    extensions: ['phpbb/viglink']
\ No newline at end of file
diff --git a/conf/phpbb.cron b/conf/phpbb.cron
new file mode 100644
index 0000000..469dc1b
--- /dev/null
+++ b/conf/phpbb.cron
@@ -0,0 +1 @@
+*  *  *  *  * __APP__ /usr/bin/php__PHPVERSION__ -f __FINAL_PATH__/bin/phpbbcli.php cron:run
\ No newline at end of file
diff --git a/scripts/backup b/scripts/backup
index b93a5ca..b6cad37 100644
--- a/scripts/backup
+++ b/scripts/backup
@@ -52,6 +52,12 @@ ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 
 ynh_backup --src_path="/etc/php/$phpversion/fpm/pool.d/$app.conf"
 
+#=================================================
+# BACKUP THE CRON FILE
+#=================================================
+
+ynh_backup --src_path="/etc/cron.d/$app"
+
 #=================================================
 # BACKUP THE MYSQL DATABASE
 #=================================================
diff --git a/scripts/install b/scripts/install
index 395554a..1460670 100644
--- a/scripts/install
+++ b/scripts/install
@@ -90,6 +90,18 @@ chmod 750 "$final_path"
 chmod -R o-rwx "$final_path"
 chown -R $app:www-data "$final_path"
 
+#=================================================
+# DOWNLOAD, CHECK AND UNPACK LANGUAGE PACK
+#=================================================
+
+tmpdir="$(mktemp -d)"
+# Download, check integrity, uncompress and patch the source from app.src
+ynh_setup_source --dest_dir="$tmpdir" --source_id=fr
+cp -a "$tmpdir/language/fr" "$final_path/language/fr"
+cp -a "$tmpdir/styles/prosilver/theme/fr" "$final_path/styles/prosilver/theme/fr" 
+# Remove the tmp directory securely
+ynh_secure_remove --file="$tmpdir"
+
 #=================================================
 # NGINX CONFIGURATION
 #=================================================
@@ -106,21 +118,28 @@ ynh_script_progression --message="Configuring PHP-FPM..." --weight=4
 # Create a dedicated PHP-FPM config
 ynh_add_fpm_config
 
+phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
+
 #=================================================
-# SETUP APPLICATION WITH CURL
+# SETUP APPLICATION WITH CLI
 #=================================================
 
-# Set the app as temporarily public for curl call
-ynh_script_progression --message="Configuring SSOwat..." --weight=1
-# Making the app public for curl
-ynh_permission_update --permission="main" --add="visitors"
+ynh_script_progression --message="Configuring the APP..." --weight=1
 
-# Installation with curl
-ynh_script_progression --message="Finalizing installation..." --weight=1
-ynh_local_curl "/install/app.php" "admin_name=$admin" "board_email=$email" "admin_pass1=$password" "admin_pass2=$password"
+ynh_add_config --template="$YNH_APP_BASEDIR/conf/install-config.yml.default" --destination="$final_path/install/install-config.yml"
 
-# Remove the public access
-ynh_permission_update --permission="main" --remove="visitors"
+ynh_exec_as "$app" php${phpversion} "$final_path/install/phpbbcli.php" -q --no-interaction install "$final_path/install/install-config.yml"
+
+mv "$final_path/install" "$final_path/install_old"
+
+#=================================================
+# ADD A CRON JOB
+#=================================================
+
+cron_path="/etc/cron.d/$app"
+ynh_add_config --template="../conf/phpbb.cron" --destination="$cron_path"
+chown root: "$cron_path"
+chmod 644 "$cron_path"
 
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
@@ -141,7 +160,7 @@ then
 fi
 
 # Only the admin can access the admin panel of the app (if the app has an admin panel)
-ynh_permission_create --permission="admin" --url="/admin" --allowed=$admin
+ynh_permission_create --permission="admin" --url="/adm" --allowed=$admin
 
 #=================================================
 # RELOAD NGINX
@@ -157,15 +176,6 @@ ynh_script_progression --message="Sending a readme for the admin..."
 
 message="phpBB was successfully installed :)
 
-Please open your $app domain: https://$domain$path_url
-
-Complete the registration process from the setup page displayed.
-Details for MySQL database to be enterted while registration process:
-
-Database login:    $app
-Database name:     $app
-Database password: $db_pwd
-
 If you are facing any problem or want to improve this app, please open a new issue here: https://github.com/YunoHost-Apps/phpbb_ynh/issues"
 
 ynh_send_readme_to_admin "$message"
diff --git a/scripts/remove b/scripts/remove
index 6c5e664..63b1d85 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -67,6 +67,12 @@ ynh_script_progression --message="Removing PHP-FPM configuration..." --weight=1
 # Remove the dedicated PHP-FPM config
 ynh_remove_fpm_config
 
+#=================================================
+# REMOVE THE CRON FILE
+#=================================================
+
+ynh_secure_remove --file="/etc/cron.d/$app"
+
 #=================================================
 # GENERIC FINALIZATION
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 3feec35..cbf519f 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -85,6 +85,12 @@ db_pwd=$(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
 
+#=================================================
+# RESTORE THE CRON FILE
+#=================================================
+
+ynh_restore_file --origin_path="/etc/cron.d/$app"
+
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 11c9833..4bc02a1 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -21,6 +21,7 @@ path_url=$(ynh_app_setting_get --app=$app --key=path)
 admin=$(ynh_app_setting_get --app=$app --key=admin)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
+phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
 
 #=================================================
 # CHECK VERSION
@@ -36,6 +37,12 @@ ynh_script_progression --message="Backing up the app before upgrading (may take
 # Backup the current version of the app
 ynh_backup_before_upgrade
 ynh_clean_setup () {
+	if [ -n "$new_phpbb_dir" ]; then
+		ynh_secure_remove --file="$new_phpbb_dir"
+	fi
+	if [ -n "$old_phpbb_dir" ]; then
+		ynh_secure_remove --file="$old_phpbb_dir"
+	fi
 	# Restore it if the upgrade fails
 	ynh_restore_upgradebackup
 }
@@ -56,7 +63,7 @@ fi
 
 if ! ynh_permission_exists --permission="admin"; then
 	# Create the required permissions
-	ynh_permission_create --permission="admin" --url="/admin" --allowed=$admin
+	ynh_permission_create --permission="admin" --url="/adm" --allowed=$admin
 fi
 
 #=================================================
@@ -75,8 +82,26 @@ if [ "$upgrade_type" == "UPGRADE_APP" ]
 then
 	ynh_script_progression --message="Upgrading source files..." --weight=5
 
+	new_phpbb_dir=$(mktemp -d)
 	# Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$final_path"
+	ynh_setup_source --dest_dir="$new_phpbb_dir"
+	ynh_secure_remove --file="$new_phpbb_dir/config.php"
+	ynh_secure_remove --file="$new_phpbb_dir/images"
+	ynh_secure_remove --file="$new_phpbb_dir/files"
+	ynh_secure_remove --file="$new_phpbb_dir/store"
+
+	old_phpbb_dir=$(mktemp -d)
+
+	mv $final_path/* $old_phpbb_dir
+	mv $old_phpbb_dir/config.php $final_path/
+	mv $old_phpbb_dir/images/ $final_path/
+	mv $old_phpbb_dir/files/ $final_path/
+	mv $old_phpbb_dir/store/ $final_path/
+
+	mv $new_phpbb_dir/* $final_path
+
+	ynh_secure_remove --file="$old_phpbb_dir"
+	ynh_secure_remove --file="$new_phpbb_dir"
 fi
 
 chmod 750 "$final_path"
@@ -99,6 +124,26 @@ ynh_script_progression --message="Upgrading PHP-FPM configuration..." --weight=2
 # Create a dedicated PHP-FPM config
 ynh_add_fpm_config
 
+#=================================================
+# PHP-FPM CONFIGURATION
+#=================================================
+ynh_script_progression --message="Upgrading the APP..." --weight=1
+
+ynh_exec_as "$app" php${phpversion} "$final_path/bin/phpbbcli.php" -q --no-interaction db:migrate
+
+if [ -e "$final_path/install" ]; then
+	mv "$final_path/install" "$final_path/install_old"
+fi
+
+#=================================================
+# ADD A CRON JOB
+#=================================================
+
+cron_path="/etc/cron.d/$app"
+ynh_add_config --template="../conf/phpbb.cron" --destination="$cron_path"
+chown root: "$cron_path"
+chmod 644 "$cron_path"
+
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
 #=================================================