docker
/
docs
mirror of https://github.com/docker/docs.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Update environment-variables.md 

I'm not sure if these are in the right place, but I think it's really important it's somewhere.

Closes issue https://github.com/docker/docker.github.io/issues/11286
This commit is contained in:
Muma David Bwalya 2020-08-24 17:48:26 +02:00 committed by GitHub
parent 86613e5e8b
commit 231b04065e
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
compose/environment-variables.md
View File

@ -18,6 +18,15 @@ web:
image: "webapp:${TAG}"
```
If you have multiple environment variables, you can substitute them by providing
a path to your environment variables file. By default, the `docker-compose`
command will look for a file named `.env` in the directory you run the command.
By passing the file as an argument, you can store it anywhere and name it
appropriately, e.g (.env.ci, .env.dev, .env.prod). Passing the file path is
done using the `--env-file` option:
``` docker-compose --env-file ./config/.env.dev up ```
For more information, see the
[Variable substitution](compose-file/index.md#variable-substitution) section in the
Compose file reference.