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Add ticks to docker links userguide, was not being rendered properly, fix spelling error in /etc/hosts
Docker-DCO-1.1-Signed-off-by: Erik Hollensbe <github@hollensbe.org> (github: erikh)
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1 changed files with 3 additions and 1 deletions
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@ -169,11 +169,12 @@ Docker exposes connectivity information for the parent container inside the
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child container in two ways:
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* Environment variables,
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* Updating the `/etc/host` file.
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* Updating the `/etc/hosts` file.
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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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```
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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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@ -183,6 +184,7 @@ command to list the container's environment variables.
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DB_PORT_5000_TCP_PORT=5432
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DB_PORT_5000_TCP_ADDR=172.17.0.5
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. . .
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```
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> **Note**:
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> These Environment variables are only set for the first process in the
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