def create_service(self, name, **kwargs):
if 'image' not in kwargs and 'build' not in kwargs:
kwargs['image'] = 'busybox:latest'
if 'command' not in kwargs:
kwargs['command'] = ["top"]
service_config = ServiceConfig('.', None, name, kwargs)
options = process_service(service_config)
options['environment'] = resolve_environment('.', kwargs)
labels = options.setdefault('labels', {})
labels['com.docker.compose.test-name'] = self.id()
return Service(name, client=self.client, project='composetest', **options)
