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Mention environment file in envvars.md 

Signed-off-by: Joffrey F <joffrey@docker.com>
This commit is contained in:
Joffrey F 2016-03-10 17:29:01 -08:00
parent 21aa7a0448
commit dcdcf4869b
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docs/reference/envvars.md
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@ -17,6 +17,9 @@ Several environment variables are available for you to configure the Docker Comp
Variables starting with `DOCKER_` are the same as those used to configure the
Docker command-line client. If you're using `docker-machine`, then the `eval "$(docker-machine env my-docker-vm)"` command should set them to their correct values. (In this example, `my-docker-vm` is the name of a machine you created.)
> Note: Some of these variables can also be provided using an
> [environment file](../env-file.md)
## COMPOSE\_PROJECT\_NAME
Sets the project name. This value is prepended along with the service name to the container container on start up. For example, if you project name is `myapp` and it includes two services `db` and `web` then compose starts containers named `myapp_db_1` and `myapp_web_1` respectively.
@ -81,3 +84,4 @@ it failed. Defaults to 60 seconds.
- [User guide](../index.md)
- [Installing Compose](../install.md)
- [Compose file reference](../compose-file.md)
- [Environment file](../env-file.md)