v1.0.94: lazy schema init — pool.py runs init_db on first DB access, not at import

site/app.py

@@ -24,11 +24,6 @@ app = Flask(__name__, template_folder="templates", static_folder="static")
 app.config["NUBES_API_ENDPOINT"] = os.getenv("NUBES_API_ENDPOINT", "https://lk-api-gateway-test.ngcloud.ru/api/v1/svc")
 app.config["NUBES_API_TOKEN"] = os.getenv("NUBES_API_TOKEN", "")
 app.config["VERSION"] = VERSION
-
-# Инициализация схемы БД (идемпотентно, безопасно для нескольких воркеров)
-from db.init_db import init_db
-init_db()
-
 app.register_blueprint(main_bp)
 app.register_blueprint(api_bp)
 app.register_blueprint(api_test_bp)

site/db/pool.py

@@ -17,6 +17,7 @@ import psycopg2
 from psycopg2 import pool
 
 _pool = None
+_initialized = False
 
 
 def _dsn():
@@ -30,12 +31,26 @@ def _dsn():
     )
 
 
+def _ensure_schema():
+    """Инициализировать схему при первом обращении к БД."""
+    global _initialized
+    if _initialized:
+        return
+    _initialized = True
+    try:
+        from db.init_db import init_db
+        init_db()
+    except Exception:
+        pass
+
+
 def get_pool():
     global _pool
     if _pool is None:
         if not os.getenv("DB_USER"):
             return None
         _pool = pool.ThreadedConnectionPool(1, 5, _dsn())
+        _ensure_schema()
     return _pool