code: def get_by_docker_config(
      self, credentials: SyftVerifyKey, config: DockerWorkerConfig
  ):
      qks = QueryKeys(qks=[WorkerConfigPK.with_obj(config)])
      return self.query_one(credentials=credentials, qks=qks)
  
imports: from typing import List
  from typing import Union
  from result import Err
  from result import Result
  from ...custom_worker.config import DockerWorkerConfig
  from ...custom_worker.config import WorkerConfig
  from ...node.credentials import SyftVerifyKey
  from ...serde.serializable import serializable
  from ...store.document_store import BaseUIDStoreStash
  from ...store.document_store import DocumentStore
  from ...store.document_store import PartitionKey
  from ...store.document_store import PartitionSettings
  from ...store.document_store import QueryKeys
  from ..action.action_permissions import ActionObjectPermission
  from ..action.action_permissions import ActionPermission
  from .worker_image import SyftWorkerImage
label_desc: Use image node_id 3 for calling the SyftWorkerImageStash obj's underlying member method code with example usage: obj.get_by_docker_config(credentials, config) and returns: self