Fix typo in Docker Links chapter of User Guide
Upstream-commit: 932cc230814ba642c493c77d05932f63c0ef3e7f Component: engine
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@ -195,7 +195,7 @@ port. Where `<name>` is the alias name specified in the `--link` parameter
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is either `TCP` or `UDP`. The format of the URL will be:
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`<protocol>://<container_ip_address>:<port>`
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(e.g. `tcp://172.17.0.82:8080`). This URL will then be
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split into the following 3 environment variables for convinience:
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split into the following 3 environment variables for convenience:
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* `<name>_PORT_<port>_<protocol>_ADDR` will contain just the IP address
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from the URL (e.g. `WEBDB_PORT_8080_TCP_ADDR=172.17.0.82`).
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* `<name>_PORT_<port>_<protocol>_PORT` will contain just the port number
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