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Merge pull request #22906 from nshalman/patch-1

Clarification about 'docker build --build-arg'
(cherry picked from commit ce07eac570e90ed8aa69472bae463902c075e078)

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

Vincent Demeester authored on 2016/05/24 22:33:27
Showing 1 changed files

docs/reference/commandline/build.md

History View file @ 4efcbf5

@@ -298,6 +298,9 @@ accessed like regular environment variables in the `RUN` instruction of the
                      Dockerfile. Also, these values don't persist in the intermediate or final images
                      like `ENV` values do.
                     +Using this flag will not alter the output you see when the `ARG` lines from the
                     +Dockerfile are echoed during the build process.
+                    +
                      For detailed information on using `ARG` and `ENV` instructions, see the
                      [Dockerfile reference](../builder.md).