fix and update

infra/nginx/99-idp-gateway-watch.sh

@@ -0,0 +1,52 @@
+#!/bin/sh
+# После recreate api-gateway Docker выдаёт новый IP; без reload nginx шлёт на старый адрес → 502.
+set -eu
+
+GW_HOST="${IDP_API_GATEWAY_HOST:-lendry-id-api-gateway}"
+GW_PORT="${IDP_API_GATEWAY_PORT:-3000}"
+WATCH_INTERVAL="${IDP_NGINX_WATCH_INTERVAL:-5}"
+
+log() {
+  echo "[idp-nginx-watch] $*"
+}
+
+wait_for_gateway() {
+  attempt=0
+  while [ "$attempt" -lt 120 ]; do
+    if wget -qO- --timeout=3 "http://${GW_HOST}:${GW_PORT}/health" 2>/dev/null | grep -q '"status"'; then
+      log "api-gateway доступен (${GW_HOST}:${GW_PORT})"
+      return 0
+    fi
+    attempt=$((attempt + 1))
+    sleep 1
+  done
+  log "WARN: api-gateway не ответил за 120с — nginx стартует без ожидания"
+  return 0
+}
+
+watch_gateway() {
+  last_ip=""
+  while true; do
+    sleep "$WATCH_INTERVAL"
+    current_ip="$(getent hosts "$GW_HOST" 2>/dev/null | awk '{print $1}' | head -n1 || true)"
+    healthy=0
+    if wget -qO- --timeout=3 "http://${GW_HOST}:${GW_PORT}/health" 2>/dev/null | grep -q '"status"'; then
+      healthy=1
+    fi
+    if [ "$healthy" -eq 0 ]; then
+      log "api-gateway недоступен — reload nginx"
+      nginx -s reload 2>/dev/null || true
+      continue
+    fi
+    if [ -n "$current_ip" ] && [ -n "$last_ip" ] && [ "$current_ip" != "$last_ip" ]; then
+      log "IP ${GW_HOST} изменился (${last_ip} → ${current_ip}) — reload nginx"
+      nginx -s reload 2>/dev/null || true
+    fi
+    if [ -n "$current_ip" ]; then
+      last_ip="$current_ip"
+    fi
+  done
+}
+
+wait_for_gateway
+watch_gateway &