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podman/docs/source/markdown/options/dns.md
Ed Santiago 62d1c487d9 Man pages: Refactor common options: --dns 
Only between podman-build, create, and run. podman-pod-create
is too different.

As usual I went with the podman-run version. This means
keeping the word "flag" (which should be "option"), for
ease of review. I will fix in my in-progress cleanup PR.

For podman-build, I removed "during the build" and changed
it to a note for that man page only.

Signed-off-by: Ed Santiago <santiago@redhat.com>
2022-09-15 10:12:34 -06:00

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--dns=ipaddr

Set custom DNS servers.

This option can be used to override the DNS configuration passed to the container. Typically this is necessary when the host DNS configuration is invalid for the container (e.g., 127.0.0.1). When this is the case the --dns flag is necessary for every run.

The special value none can be specified to disable creation of /etc/resolv.conf in the container by Podman. The /etc/resolv.conf file in the image will be used without changes.