#!/usr/bin/env bash set -euo pipefail TASK_ID="${1:-UNKNOWN}" echo "[upgrade] task=${TASK_ID} phase=backup message=start backup placeholder" echo "[upgrade] task=${TASK_ID} phase=stop-service message=stop service placeholder" echo "[upgrade] task=${TASK_ID} phase=deploy message=deploy placeholder" echo "[upgrade] task=${TASK_ID} phase=health-check message=health check placeholder" echo "[upgrade] task=${TASK_ID} phase=done message=upgrade completed"