feat(admin): manage server updates and local configuration

deploy/apply-config.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+set -euo pipefail
+cd "$(dirname "$0")"
+# Share a lock with manual deployments and config application.
+if [ ! -f .management.lock ]; then (umask 022; : > .management.lock); fi
+exec 9<.management.lock
+flock -n 9 || { echo 'Another deployment is running' >&2; exit 1; }
+touch config.local
+compose() { docker compose --env-file config.local --env-file .env "$@"; }
+# Validate before stopping any container.
+compose config --quiet
+compose up -d --force-recreate --remove-orphans
+echo '→ ждём готовности api'
+for _ in $(seq 1 90); do
+  if compose exec -T nginx wget -qO- http://127.0.0.1/readyz >/dev/null 2>&1; then
+    echo 'Конфигурация применена; API готов'
+    exit 0
+  fi
+  sleep 2
+done
+echo 'API не стал готов: проверьте docker compose logs api' >&2
+exit 1