code: def main():
      """Build the launch agent image."""
      args = parse_args()
      build_context = os.path.dirname(
          os.path.dirname(os.path.abspath(__file__))
      )
      dockerfile_path = os.path.join(build_context, "Dockerfile")
      dockerignore_path = os.path.join(build_context, ".dockerignore")
      # Set the version env var if a custom tag is set
      version_section = ""
      if args.tag != "wandb-launch-agent":
          version_section = VERSION_SECTION.format(
              agent_version=args.tag
          )
      dockerfile_contents = DOCKERFILE_TEMPLATE.format(
          version_section=version_section
      )
      with open(dockerfile_path, "w") as f:
          f.write(dockerfile_contents)
      with open(dockerignore_path, "w") as f:
          f.write(DOCKERIGNORE)
      build(
          tags=[args.tag],
          file=dockerfile_path,
          context_path=build_context,
          platform=args.platform,
      )
      if args.push:
          image, tag = args.tag.split(":")
          push(image, tag)
  
      # Remove the dockerfui
      os.remove(dockerfile_path)
      os.remove(dockerignore_path)
  
imports: import argparse
  import os
  from wandb.docker import build, push
label_desc: Use image node_id 2 for calling a global function with example usage: main() without return types