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Convert Unused ARG error to warning 

Signed-off-by: Addam Hardy <addam.hardy@gmail.com>
This commit is contained in:
Addam Hardy 2016-10-15 22:37:15 -05:00 committed by Tibor Vass
parent 49a282eb1c
commit 44edbbdbc2
2 changed files with 18 additions and 17 deletions
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8
docs/reference/builder.md
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@ -1286,12 +1286,12 @@ to create the directory in the Dockerfile. For example:
ARG <name>[=<default value>]
The `ARG` instruction defines a variable that users can pass at build-time to
the builder with the `docker build` command using the
`--build-arg <varname>=<value>` flag. If a user specifies a build argument
that was not defined in the Dockerfile, the build outputs an error.
the builder with the `docker build` command using the `--build-arg
<varname>=<value>` flag. If a user specifies a build argument that was not
defined in the Dockerfile, the build outputs a warning.
```
One or more build-args were not consumed, failing build.
[Warning] One or more build-args [foo] were not consumed.
```
The Dockerfile author can define a single variable by specifying `ARG` once or many

5
man/Dockerfile.5.md
View File

@ -326,10 +326,10 @@ A Dockerfile is similar to a Makefile.
The `ARG` instruction defines a variable that users can pass at build-time to
the builder with the `docker build` command using the `--build-arg
<varname>=<value>` flag. If a user specifies a build argument that was not
defined in the Dockerfile, the build outputs an error.
defined in the Dockerfile, the build outputs a warning.
```
One or more build-args were not consumed, failing build.
[Warning] One or more build-args [foo] were not consumed
```
The Dockerfile author can define a single variable by specifying `ARG` once or many
@ -471,3 +471,4 @@ A Dockerfile is similar to a Makefile.
*May 2014, Compiled by Zac Dover (zdover at redhat dot com) based on docker.com Dockerfile documentation.
*Feb 2015, updated by Brian Goff (cpuguy83@gmail.com) for readability
*Sept 2015, updated by Sally O'Malley (somalley@redhat.com)
*Oct 2016, updated by Addam Hardy (addam.hardy@gmail.com)