class_docstr: A wrapper for running commands in ray ci docker container
docstr: Get docker image for a particular commit
docstr_tok: ["Get","docker","image","for","a","particular","commit"]
code: def _get_docker_image(self) -> str:
      """
      Get docker image for a particular commit
      """
      return f"{_DOCKER_ECR_REPO}:{_RAYCI_BUILD_ID}-{self.docker_tag}"
  
file_path: ray/ci/ray_ci/container.py
imports: import abc
  import os
  import subprocess
  import sys
  from typing import List, Tuple, Optional
label_desc: Use image node_id 4 for calling the Container obj's underlying member method code with example usage: obj._get_docker_image() and returns: _DOCKER_ECR_REPO, str, _RAYCI_BUILD_ID, str, self