Fix login flow after rollback

scripts/upgrade

@@ -1,22 +1,13 @@
 #!/bin/bash
 set -euo pipefail
-SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-source "$SCRIPT_DIR/_common.sh"
-
-app="${YNH_APP_INSTANCE_NAME:-albumik}"
+source ./_common.sh
 
+systemctl stop "$app" 2>/dev/null || true
 mkdir -p "$install_dir"
-
 rm -rf "$install_dir/backend" "$install_dir/web" "$install_dir/doc"
-
-cp -a "$YNH_APP_BASEDIR/backend" "$YNH_APP_BASEDIR/web" "$YNH_APP_BASEDIR/doc" "$install_dir"/
-
+cp -a backend web doc "$install_dir"/
 chown -R "$app:$app" "$install_dir"
-
 systemctl daemon-reload
-systemctl restart "$app"
-
-nginx -t
-systemctl reload nginx
-
+systemctl start "$app"
+systemctl reload nginx || true
 echo "Albumik upgraded"