increase pool_size to avoid QueuePool limit

Author: edulauer

src/db_config.py

@@ -12,12 +12,16 @@
 
 SQLALCHEMY_DATABASE_URL = os.environ["SQLALCHEMY_DATABASE_URL"]
 
-engine = create_async_engine(SQLALCHEMY_DATABASE_URL)
+engine = create_async_engine(
+    SQLALCHEMY_DATABASE_URL,
+    pool_size=15,
+    max_overflow=15,
+    pool_timeout=30,
+    )
 sync_engine = create_engine(SQLALCHEMY_DATABASE_URL)
 
 async_session_maker = async_sessionmaker(engine, expire_on_commit=False)
 
-
 # database models (SQLAlchemy)
 class Base(DeclarativeBase):  # pylint: disable=too-few-public-methods
     """Classe base para modelos SQL Alchemy.