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Merge pull request #2821 from 1ace/patch-1 

docs/builder: fix trivial formatting typo
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Sebastiaan van Stijn 2020-11-06 12:38:53 +01:00 committed by GitHub
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docs/reference/builder.md
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@ -2043,7 +2043,7 @@ RUN echo hello
If you specify `--build-arg CONT_IMG_VER=<value>` on the command line, in both
cases, the specification on line 2 does not cause a cache miss; line 3 does
cause a cache miss.`ARG CONT_IMG_VER` causes the RUN line to be identified
as the same as running `CONT_IMG_VER=<value>` echo hello, so if the `<value>`
as the same as running `CONT_IMG_VER=<value> echo hello`, so if the `<value>`
changes, we get a cache miss.
Consider another example under the same command line: