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Minor typo/format fixes 

This fixes a code block typo so it renders as a code block.  Additionally synchronizes the variable prefix examples from 'DB' and 'DB1_' to 'DB_' and 'DB1_'
This commit is contained in:
Josh 2014-06-20 07:49:22 -04:00
parent c60cde1499
commit 66bccf3064
1 changed files with 2 additions and 1 deletions
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docs/sources/userguide/dockerlinks.md
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@ -173,6 +173,7 @@ child container in two ways:
Let's look first at the environment variables Docker sets. Let's run the `env`
command to list the container's environment variables.
$ sudo docker run --rm --name web2 --link db:db training/webapp env
. . .
DB_NAME=/web2/db
@ -190,7 +191,7 @@ command to list the container's environment variables.
We can see that Docker has created a series of environment variables with
useful information about our `db` container. Each variables is prefixed with
`DB` which is populated from the `alias` we specified above. If our `alias`
`DB_` which is populated from the `alias` we specified above. If our `alias`
were `db1` the variables would be prefixed with `DB1_`. You can use these
environment variables to configure your applications to connect to the database
on the `db` container. The connection will be secure, private and only the