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Remove default assertion for dash shell

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Maria Bermudez 2018-11-29 15:05:11 -08:00 committed by GitHub
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develop/develop-images/dockerfile_best-practices.md
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@ -463,8 +463,8 @@ RUN set -o pipefail && wget -O - https://some.site | wc -l > /number
```
> Not all shells support the `-o pipefail` option.
>
> In such cases (such as the `dash` shell, which is the default shell on
> Debian-based images), consider using the _exec_ form of `RUN` to explicitly
> In cases such as the `dash` shell on
> Debian-based images, consider using the _exec_ form of `RUN` to explicitly
> choose a shell that does support the `pipefail` option. For example:
>
> ```Dockerfile