# normalize_image_name

> **Function** in `langgraph_cli`

📖 [View in docs](https://reference.langchain.com/python/langgraph-cli/deploy/normalize_image_name)

Sanitize a deployment/directory name into a valid Docker repository name.

Docker repository names must be lowercase and may only contain
[a-z0-9._-].  Invalid characters are replaced with hyphens.

## Signature

```python
normalize_image_name(
    value: str | None,
) -> str
```

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[View source on GitHub](https://github.com/langchain-ai/langgraph/blob/6bcac5d72e2e20a64c988d43f3debb2a821924f8/libs/cli/langgraph_cli/deploy.py#L175)