conn = self.connection or pool.get_connection(command_name, **options)
  File "/usr/local/lib/python3.10/site-packages/redis/connection.py", line 1461, in get_connection
    connection.connect()
  File "/usr/local/lib/python3.10/site-packages/redis/connection.py", line 713, in connect
    raise ConnectionError(self._error_message(e))
redis.exceptions.ConnectionError: Error -2 connecting to redis:6379. Name does not resolve.

======================================================================
ERROR: test_posting_code_systems (core.integration_tests.tests_code_systems.CodeSystemsTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/local/lib/python3.10/site-packages/redis/connection.py", line 707, in connect
    sock = self.retry.call_with_retry(
  File "/usr/local/lib/python3.10/site-packages/redis/retry.py", line 46, in call_with_retry
    return do()
  File "/usr/local/lib/python3.10/site-packages/redis/connection.py", line 708, in <lambda>
    lambda: self._connect(), lambda error: self.disconnect(error)
  File "/usr/local/lib/python3.10/site-packages/redis/connection.py", line 974, in _connect
    for res in socket.getaddrinfo(
  File "/usr/local/lib/python3.10/socket.py", line 955, in getaddrinfo
    for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
socket.gaierror: [Errno -2] Name does not resolve

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/code/core/integration_tests/tests_code_systems.py", line 116, in test_posting_code_systems
    response = self.post(url, json_file)
  File "/code/core/integration_tests/tests_code_systems.py", line 28, in post
    return self.client.post(
  File "/usr/local/lib/python3.10/site-packages/rest_framework/test.py", line 296, in post
    response = super().post(
  File "/usr/local/lib/python3.10/site-packages/rest_framework/test.py", line 210, in post
    return self.generic('POST', path, data, content_type, **extra)
  File "/usr/local/lib/python3.10/site-packages/rest_framework/test.py", line 234, in generic
    return super().generic(
  File "/usr/local/lib/python3.10/site-packages/django/test/client.py", line 609, in generic
    return self.request(**r)
  File "/usr/local/lib/python3.10/site-packages/rest_framework/test.py", line 286, in request
    return super().request(**kwargs)
  File "/usr/local/lib/python3.10/site-packages/rest_framework/test.py", line 238, in request
    request = super().request(**kwargs)
  File "/usr/local/lib/python3.10/site-packages/django/test/client.py", line 891, in request
    self.check_exception(response)
  File "/usr/local/lib/python3.10/site-packages/django/test/client.py", line 738, in check_exception
    raise exc_value
  File "/usr/local/lib/python3.10/site-packages/django/core/handlers/exception.py", line 55, in inner
    response = get_response(request)
  File "/usr/local/lib/python3.10/site-packages/django/core/handlers/base.py", line 197, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/usr/local/lib/python3.10/site-packages/django/views/decorators/csrf.py", line 56, in wrapper_view
    return view_func(*args, **kwargs)
  File "/usr/local/lib/python3.10/site-packages/django/views/generic/base.py", line 104, in view
    return self.dispatch(request, *args, **kwargs)
  File "/usr/local/lib/python3.10/site-packages/rest_framework/views.py", line 509, in dispatch
    response = self.handle_exception(exc)
  File "/usr/local/lib/python3.10/site-packages/rest_framework/views.py", line 469, in handle_exception
    self.raise_uncaught_exception(exc)
  File "/usr/local/lib/python3.10/site-packages/rest_framework/views.py", line 480, in raise_uncaught_exception
    raise exc
  File "/usr/local/lib/python3.10/site-packages/rest_framework/views.py", line 506, in dispatch
    response = handler(request, *args, **kwargs)
  File "/code/core/common/mixins.py", line 336, in post
    return self.create(request, **kwargs)
  File "/code/core/common/mixins.py", line 372, in create
    instance = serializer.save(force_insert=True)
  File "/usr/local/lib/python3.10/site-packages/rest_framework/serializers.py", line 212, in save
    self.instance = self.create(validated_data)
  File "/code/core/code_systems/serializers.py", line 281, in create
    errors = Source.persist_new_version(source, user)
  File "/code/core/common/models.py", line 664, in persist_new_version
    obj.index_resources_for_self_as_latest_released()
  File "/code/core/sources/models.py", line 268, in index_resources_for_self_as_latest_released
    index_source_concepts.delay(prev_released_version.id)
  File "/usr/local/lib/python3.10/site-packages/celery/app/task.py", line 444, in delay
    return self.apply_async(args, kwargs)
  File "/usr/local/lib/python3.10/site-packages/celery_once/tasks.py", line 103, in apply_async
    self.once_backend.raise_or_lock(key, timeout=once_timeout)
  File "/usr/local/lib/python3.10/site-packages/celery_once/backends/redis.py", line 108, in raise_or_lock
    ).acquire()
  File "/usr/local/lib/python3.10/site-packages/redis/lock.py", line 207, in acquire
    if self.do_acquire(token):
  File "/usr/local/lib/python3.10/site-packages/redis/lock.py", line 223, in do_acquire
    if self.redis.set(self.name, token, nx=True, px=timeout):
  File "/usr/local/lib/python3.10/site-packages/redis/commands/core.py", line 2328, in set
    return self.execute_command("SET", *pieces, **options)
  File "/usr/local/lib/python3.10/site-packages/redis/client.py", line 1266, in execute_command
    conn = self.connection or pool.get_connection(command_name, **options)
  File "/usr/local/lib/python3.10/site-packages/redis/connection.py", line 1461, in get_connection
    connection.connect()
  File "/usr/local/lib/python3.10/site-packages/redis/connection.py", line 713, in connect
    raise ConnectionError(self._error_message(e))
redis.exceptions.ConnectionError: Error -2 connecting to redis:6379. Name does not resolve.

----------------------------------------------------------------------
Ran 805 tests in 637.429s

FAILED (errors=6)
Preserving test database for alias 'default' ('test_postgres')...
1
Stopping ocl-oclapi20-rt_es_1 ...
Stopping ocl-oclapi20-rt_db_1 ...
Stopping ocl-oclapi20-rt_db_1 ... done
Stopping ocl-oclapi20-rt_es_1 ... done
Removing ocl-oclapi20-rt_es_1 ...
Removing ocl-oclapi20-rt_db_1 ...
Removing ocl-oclapi20-rt_es_1 ... done
Removing ocl-oclapi20-rt_db_1 ... done
Removing network ocl-oclapi20-rt_default
Removing volume ocl-oclapi20-rt_postgres-data
Removing volume ocl-oclapi20-rt_es-data
Removing volume ocl-oclapi20-rt_redis-data