using_docker_images.md: document services inheriting dns and addn hosts settings

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Florian Klink 2018-11-28 02:50:59 +00:00 committed by Evan Read
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@ -67,6 +67,9 @@ services you need to `.gitlab-ci.yml` or manually modify `config.toml`.
Any image found at [Docker Hub][hub] or your private Container Registry can be
used as a service.
Services inherit the same DNS servers, search domains, and additional hosts as
the CI container itself.
You can see some widely used services examples in the relevant documentation of
[CI services examples](../services/README.md).