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Add UV_LINK_MODE to Docker caching example #7510

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Sep 19, 2024
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Add UV_LINK_MODE to Docker caching example #7510

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5 changes: 5 additions & 0 deletions docs/guides/integration/docker.md
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Expand Up @@ -301,10 +301,15 @@ A [cache mount](https://docs.docker.com/build/guide/mounts/#add-a-cache-mount) c
improve performance across builds:

```dockerfile title="Dockerfile"
ENV UV_LINK_MODE=copy

RUN --mount=type=cache,target=/root/.cache/uv \
uv sync
```

Changing the default [`UV_LINK_MODE`](../../reference/settings.md#link-mode) silences warnings about
not being able to use hard links since the cache and sync target are on separate file systems.

If you're not mounting the cache, image size can be reduced by using the `--no-cache` flag or
setting `UV_NO_CACHE`.

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