try to fix db connexion loss after few minutes

@contextmanager

def db_cursor(dict_results=False):

    try:

        with current_app.db_pool.connection() as conn:

            with conn.cursor(row_factory=dict_row if dict_results else None) as cur:

        conn = current_app.db_pool.getconn()

        cur = conn.cursor()

        # --- Keepalive query ---

        cur.execute("SELECT 1;")

        # ----------------------

        if dict_results:

            cur = conn.cursor(row_factory=dict_row)

        yield conn, cur

        # with current_app.db_pool.connection() as conn:

        #     cur = conn.cursor()

        #     # --- Keepalive query ---

        #     cur.execute("SELECT 1;")

        #     with conn.cursor(row_factory=dict_row if dict_results else None) as cur:

        #         yield conn, cur

    except Exception as e:

        current_app.logger.error(f"Database error: {e}")

        raise

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    finally:

        if cur:

            cur.close()

        if conn:

            current_app.db_pool.putconn(conn)

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    f"port={app.config['POSTGRES_PORT']}",

    min_size=1,

    max_size=100,

    max_lifetime=150,

    timeout=10,

    open=True,

)