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Update build_enhancements.md

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Anne Henmi 2018-11-01 11:34:55 -06:00 committed by GitHub
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@ -118,11 +118,11 @@ For example, with a secret piece of information stored in a text file:
$ echo 'WARMACHINEROX' > mysecret.txt
```
And with a Dockerfile that specifies use of a buildkit frontend `dockerfile:secrets20180828`, the secret can be accessed.
And with a Dockerfile that specifies use of a buildkit frontend `docker/dockerfile:1.0-experimental`, the secret can be accessed.
For example:
```
# syntax = dockerfile:secrets20180828
# syntax = docker/dockerfile:1.0-experimental
FROM alpine
RUN --mount=type=secret,id=mysecret cat /run/secrets/mysecret # shows secret from default secret location
RUN --mount=type=secret,id=mysecret,dst=/foobar cat /foobar # shows secret from custom secret location