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Merge pull request #6386 from cpuguy83/fix_link_docs 

Adds info on how to get env vars from container
This commit is contained in:
O.S. Tezer 2014-06-13 23:12:32 -07:00
parent 1a441d9aea fbf7815b25
commit c40602b254
1 changed files with 4 additions and 7 deletions
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11
docs/sources/userguide/dockerlinks.md
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@ -171,14 +171,11 @@ child container in two ways:
* Environment variables,
* Updating the `/etc/host` file.
Let's look first at the environment variables Docker sets. Inside the `web`
container let's run the `env` command to list the container's environment
variables.
root@aed84ee21bde:/opt/webapp# env
HOSTNAME=aed84ee21bde
Let's look first at the environment variables Docker sets. Let's run the `env`
command to list the container's environment variables.
$docker run --rm --link --name web2 db:db training/webapp env
. . .
DB_NAME=/web/db
DB_NAME=/web2/db
DB_PORT=tcp://172.17.0.5:5432
DB_PORT_5000_TCP=tcp://172.17.0.5:5432
DB_PORT_5000_TCP_PROTO=tcp