error server started

self = <cpp_server_api.CppServer object at 0x7f5d72c7e040>, server_domain = '127.0.0.1', port = '8080', image = 'scores'
start_pattern = '[Ss]erver (has )?started', extra_kwargs = {'entrypoint': '/app/game_server'}
client = <docker.client.DockerClient object at 0x7f5d72c7ed00>, inspector = <docker.api.client.APIClient object at 0x7f5d71de7610>
docker_network = None, kwargs = {'auto_remove': True, 'detach': True, 'entrypoint': '/app/game_server'}
container_args = ['--config-file', '/app/data/config.json', '--www-root', '/app/static/'], pattern = '[Ss]erver (has )?started'
logs = '{"timestamp":"2024-12-22T01:29:08.140486","data":{"address":"0.0.0.0","port":8080},"message":"Server has started..."}\n'

    def __init__(self,
                 server_domain: str,
                 port: Union[str, int] = '8080',
                 image: Optional[str] = None,
                 start_pattern: Optional[str] = '[Ss]erver (has )?started',
                 **extra_kwargs):
        self.url = f'http://{server_domain}:{port}'
        self.port = port

        if image is None:
            self.container = None
            return

        client = docker.from_env()
        inspector = docker.APIClient()
        docker_network = os.environ.get('DOCKER_NETWORK')

        kwargs = {
            'detach': True,
            'auto_remove': True,
        }

        if 'container_args' in extra_kwargs:
            container_args = extra_kwargs.pop('container_args')
        else:
            container_args = None

        if docker_network:
            kwargs['network'] = docker_network

        kwargs.update(extra_kwargs)

        try:
            if container_args:
                self.container = client.containers.run(image, list(container_args), **kwargs)
            else:
                self.container = client.containers.run(image, **kwargs)
            if self.container is None:
                raise ServerException('Container does not exist', None)
            pattern = start_pattern
            logs = self.container.logs().decode()
            start_time = time.time()
            while re.search(pattern, logs) is None:
                time.sleep(1)
                logs = self.container.logs().decode()
                current_time = time.time()
                if current_time - start_time >= 3:
>                   raise ServerException('Cannot get the right start phrase from the container.', {'logs': logs})
E                   cpp_server_api.ServerException: <unprintable ServerException object>

../../../tests/cpp_server_api.py:163: ServerException