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Clarify --env-file usage with names without values 

Signed-off-by: Denis Defreyne <denis@soundcloud.com>
This commit is contained in:
Denis Defreyne 2017-04-27 11:12:48 +02:00 committed by Tibor Vass
parent 542af38ce5
commit d24201d734
1 changed files with 4 additions and 1 deletions
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docs/reference/commandline/run.md
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@ -393,17 +393,20 @@ If no `=` is provided and that variable is not exported in your local
environment, the variable won't be set in the container. environment, the variable won't be set in the container.
You can also load the environment variables from a file. This file should use You can also load the environment variables from a file. This file should use
the syntax `<variable>= value`, and `#` for comments. the syntax `<variable>=value` (which sets the variable to the given value) or
`<variable>` (which takes the value from the local environment), and `#` for comments.
```bash ```bash
$ cat env.list $ cat env.list
# This is a comment # This is a comment
VAR1=value1 VAR1=value1
VAR2=value2 VAR2=value2
USER
$ docker run --env-file env.list ubuntu env | grep VAR $ docker run --env-file env.list ubuntu env | grep VAR
VAR1=value1 VAR1=value1
VAR2=value2 VAR2=value2
USER=denis
``` ```
### Set metadata on container (-l, --label, --label-file) ### Set metadata on container (-l, --label, --label-file)