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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_'
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1 changed files with 2 additions and 1 deletions
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@ -173,6 +173,7 @@ child container in two ways:
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Let's look first at the environment variables Docker sets. Let's run the `env`
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command to list the container's environment variables.
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$ sudo docker run --rm --name web2 --link db:db training/webapp env
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. . .
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DB_NAME=/web2/db
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@ -190,7 +191,7 @@ command to list the container's environment variables.
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We can see that Docker has created a series of environment variables with
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useful information about our `db` container. Each variables is prefixed with
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`DB` which is populated from the `alias` we specified above. If our `alias`
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`DB_` which is populated from the `alias` we specified above. If our `alias`
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were `db1` the variables would be prefixed with `DB1_`. You can use these
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environment variables to configure your applications to connect to the database
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on the `db` container. The connection will be secure, private and only the
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