chore(portal): add deploy helper for untagged HEAD

scripts/deploy-update.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+PROJECT_DIR="$(cd "${SCRIPT_DIR}/.." && pwd)"
+cd "${PROJECT_DIR}"
+
+git fetch origin --tags
+git pull --ff-only origin main
+
+if ! TAG="$(git describe --tags --exact-match 2>/dev/null)"; then
+  TAG="$(git describe --tags --abbrev=0 2>/dev/null || true)"
+  if [ -z "${TAG}" ]; then
+    echo "warning: current commit is untagged and no tagged ancestor was found"
+  else
+    echo "warning: current commit is untagged; nearest tag is ${TAG}"
+  fi
+else
+  echo "tagged: ${TAG}"
+fi
+
+docker compose up -d --build
+docker compose ps