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frontend/dockerfile/docs: add $ in mount env example #5333

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Sep 19, 2024
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frontend/dockerfile/docs: add $ in mount env example #5333

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2 changes: 1 addition & 1 deletion frontend/dockerfile/docs/reference.md
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Expand Up @@ -842,7 +842,7 @@ environment variable with the same name.
# syntax=docker/dockerfile:1
FROM alpine
RUN --mount=type=secret,id=API_KEY,env=API_KEY \
some-command --token-from-env API_KEY
some-command --token-from-env $API_KEY
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@crazy-max crazy-max Sep 13, 2024 •
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iiuc current is the name of the var that would then be solved within some-command logic. cc @dvdksn

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yeah, that was the idea, but I admit that it isn't really a great example. Any better suggestions are welcome

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thanks for reviewing, and I see.
I have no idea with alternative great example for now🙏

```

Assuming that the `API_KEY` environment variable is set in the build
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