Traceback (most recent call last):
  File "app.py", line 42, in handle_request
    user = get_user(user_id)
  File "app.py", line 28, in get_user
    conn = pool.getconn()
  File "/usr/lib/python3.11/site-packages/psycopg2/pool.py", line 79, in getconn
    raise PoolError("connection pool exhausted")
psycopg2.pool.PoolError: connection pool exhausted