November 2016
Intermediate to advanced
378 pages
8h 37m
English
The method Docker uses to provide name resolution to containers works very well in most cases. However, there could be some instances where you want Docker to provide the containers with a DNS server other than the one the Docker host is configured to use. In these cases, Docker offers you a couple of options. You can tell the Docker service to provide a different DNS server for all the containers the service spawns. You can also manually override this setting at container runtime by providing a DNS server as an option to the docker run subcommand. In this recipe, we’ll show you your options for changing the default name resolution behavior as well as how to verify the settings worked.
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