py3-celery container shutdowns itself from time to time

1. `docker-compose up`
2. `docker ps`, sometimes `py3-celery` is missing

Inside `/code/Rodan/rodan-celery-Python3.log`:
```
[2023-05-10 13:26:48,097: WARNING/MainProcess] consumer: Connection to broker lost. Trying to re-establish the connection...
Traceback (most recent call last):
File "/usr/local/lib/python3.7/site-packages/celery/worker/consumer/consumer.py", line 318, in start
blueprint.start(self)
File "/usr/local/lib/python3.7/site-packages/celery/bootsteps.py", line 119, in start
step.start(parent)
File "/usr/local/lib/python3.7/site-packages/celery/worker/consumer/consumer.py", line 599, in start
c.loop(*c.loop_args())
File "/usr/local/lib/python3.7/site-packages/celery/worker/loops.py", line 83, in asynloop
next(loop)
File "/usr/local/lib/python3.7/site-packages/kombu/asynchronous/hub.py", line 364, in create_loop
cb(*cbargs)
File "/usr/local/lib/python3.7/site-packages/kombu/transport/base.py", line 238, in on_readable
reader(loop)
File "/usr/local/lib/python3.7/site-packages/kombu/transport/base.py", line 220, in _read
drain_events(timeout=0)
File "/usr/local/lib/python3.7/site-packages/amqp/connection.py", line 508, in drain_events
while not self.blocking_read(timeout):
File "/usr/local/lib/python3.7/site-packages/amqp/connection.py", line 513, in blocking_read
frame = self.transport.read_frame()
File "/usr/local/lib/python3.7/site-packages/amqp/transport.py", line 253, in read_frame
frame_header = read(7, True)
File "/usr/local/lib/python3.7/site-packages/amqp/transport.py", line 459, in _read
s = recv(n - len(rbuf))
ConnectionResetError: [Errno 104] Connection reset by peer
[2023-05-10 13:26:48,124: CRITICAL/MainProcess] Unrecoverable error: TypeError("'>=' not supported between instances of 'int' and 'str'")
Traceback (most recent call last):
File "/usr/local/lib/python3.7/site-packages/amqp/transport.py", line 138, in _connect
host, port, family, socket.SOCK_STREAM, SOL_TCP)
File "/usr/local/lib/python3.7/socket.py", line 752, in getaddrinfo
for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno -5] No address associated with hostname

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/local/lib/python3.7/site-packages/kombu/utils/functional.py", line 344, in retry_over_time
return fun(*args, **kwargs)
File "/usr/local/lib/python3.7/site-packages/kombu/connection.py", line 874, in _connection_factory
self._connection = self._establish_connection()
File "/usr/local/lib/python3.7/site-packages/kombu/connection.py", line 809, in _establish_connection
conn = self.transport.establish_connection()
File "/usr/local/lib/python3.7/site-packages/kombu/transport/pyamqp.py", line 130, in establish_connection
conn.connect()
File "/usr/local/lib/python3.7/site-packages/amqp/connection.py", line 314, in connect
self.transport.connect()
File "/usr/local/lib/python3.7/site-packages/amqp/transport.py", line 78, in connect
self._connect(self.host, self.port, self.connect_timeout)
File "/usr/local/lib/python3.7/site-packages/amqp/transport.py", line 149, in _connect
"failed to resolve broker hostname"))
File "/usr/local/lib/python3.7/site-packages/amqp/transport.py", line 162, in _connect
self.sock.connect(sa)
ConnectionRefusedError: [Errno 111] Connection refused

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/local/lib/python3.7/site-packages/celery/worker/worker.py", line 208, in start
self.blueprint.start(self)
File "/usr/local/lib/python3.7/site-packages/celery/bootsteps.py", line 119, in start
step.start(parent)
File "/usr/local/lib/python3.7/site-packages/celery/bootsteps.py", line 369, in start
return self.obj.start()
File "/usr/local/lib/python3.7/site-packages/celery/worker/consumer/consumer.py", line 318, in start
blueprint.start(self)
File "/usr/local/lib/python3.7/site-packages/celery/bootsteps.py", line 119, in start
step.start(parent)
File "/usr/local/lib/python3.7/site-packages/celery/worker/consumer/connection.py", line 23, in start
c.connection = c.connect()
File "/usr/local/lib/python3.7/site-packages/celery/worker/consumer/consumer.py", line 405, in connect
conn = self.connection_for_read(heartbeat=self.amqheartbeat)
File "/usr/local/lib/python3.7/site-packages/celery/worker/consumer/consumer.py", line 412, in connection_for_read
self.app.connection_for_read(heartbeat=heartbeat))
File "/usr/local/lib/python3.7/site-packages/celery/worker/consumer/consumer.py", line 439, in ensure_connected
callback=maybe_shutdown,
File "/usr/local/lib/python3.7/site-packages/kombu/connection.py", line 389, in ensure_connection
self._ensure_connection(*args, **kwargs)
File "/usr/local/lib/python3.7/site-packages/kombu/connection.py", line 445, in _ensure_connection
callback, timeout=timeout
File "/usr/local/lib/python3.7/site-packages/kombu/utils/functional.py", line 346, in retry_over_time
if max_retries is not None and retries >= max_retries:
TypeError: '>=' not supported between instances of 'int' and 'str'
[2023-05-10 13:27:30,738: CRITICAL/MainProcess] Unrecoverable error: TypeError("'>=' not supported between instances of 'int' and 'str'")
Traceback (most recent call last):
File "/usr/local/lib/python3.7/site-packages/amqp/transport.py", line 138, in _connect
host, port, family, socket.SOCK_STREAM, SOL_TCP)
File "/usr/local/lib/python3.7/socket.py", line 752, in getaddrinfo
for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno -5] No address associated with hostname

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/local/lib/python3.7/site-packages/kombu/utils/functional.py", line 344, in retry_over_time
return fun(*args, **kwargs)
File "/usr/local/lib/python3.7/site-packages/kombu/connection.py", line 874, in _connection_factory
self._connection = self._establish_connection()
File "/usr/local/lib/python3.7/site-packages/kombu/connection.py", line 809, in _establish_connection
conn = self.transport.establish_connection()
File "/usr/local/lib/python3.7/site-packages/kombu/transport/pyamqp.py", line 130, in establish_connection
conn.connect()
File "/usr/local/lib/python3.7/site-packages/amqp/connection.py", line 314, in connect
self.transport.connect()
File "/usr/local/lib/python3.7/site-packages/amqp/transport.py", line 78, in connect
self._connect(self.host, self.port, self.connect_timeout)
File "/usr/local/lib/python3.7/site-packages/amqp/transport.py", line 149, in _connect
"failed to resolve broker hostname"))
File "/usr/local/lib/python3.7/site-packages/amqp/transport.py", line 162, in _connect
self.sock.connect(sa)
ConnectionRefusedError: [Errno 111] Connection refused

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/local/lib/python3.7/site-packages/celery/worker/worker.py", line 208, in start
self.blueprint.start(self)
File "/usr/local/lib/python3.7/site-packages/celery/bootsteps.py", line 119, in start
step.start(parent)
File "/usr/local/lib/python3.7/site-packages/celery/bootsteps.py", line 369, in start
return self.obj.start()
File "/usr/local/lib/python3.7/site-packages/celery/worker/consumer/consumer.py", line 318, in start
blueprint.start(self)
File "/usr/local/lib/python3.7/site-packages/celery/bootsteps.py", line 119, in start
step.start(parent)
File "/usr/local/lib/python3.7/site-packages/celery/worker/consumer/connection.py", line 23, in start
c.connection = c.connect()
File "/usr/local/lib/python3.7/site-packages/celery/worker/consumer/consumer.py", line 405, in connect
conn = self.connection_for_read(heartbeat=self.amqheartbeat)
File "/usr/local/lib/python3.7/site-packages/celery/worker/consumer/consumer.py", line 412, in connection_for_read
self.app.connection_for_read(heartbeat=heartbeat))
File "/usr/local/lib/python3.7/site-packages/celery/worker/consumer/consumer.py", line 439, in ensure_connected
callback=maybe_shutdown,
File "/usr/local/lib/python3.7/site-packages/kombu/connection.py", line 389, in ensure_connection
self._ensure_connection(*args, **kwargs)
File "/usr/local/lib/python3.7/site-packages/kombu/connection.py", line 445, in _ensure_connection
callback, timeout=timeout
File "/usr/local/lib/python3.7/site-packages/kombu/utils/functional.py", line 346, in retry_over_time
if max_retries is not None and retries >= max_retries:
TypeError: '>=' not supported between instances of 'int' and 'str'
```