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podman/docs/source/markdown/options/userns-gid-map-group.md
Urvashi Mohnani 414642efdb [CI:DOCS] Add podman farm build doc 
Move the options for the podman build doc to a common md
that can be used by both podman build and podman farm build.

Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>
2023-11-22 11:00:13 -05:00

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####> This option file is used in: ####> podman build, farm build ####> If file is edited, make sure the changes ####> are applicable to all of those.

--userns-gid-map-group=group

Specifies that a GID mapping to be used to set ownership, at the filesystem level, on the working container's contents, can be found in entries in the /etc/subgid file which correspond to the specified group. Commands run when handling RUN instructions defaults to being run in their own user namespaces, configured using the UID and GID maps. If --userns-uid-map-user is specified, but --userns-gid-map-group is not specified, podman assumes that the specified user name is also a suitable group name to use as the default setting for this option.

NOTE: When this option is specified by a rootless user, the specified mappings are relative to the rootless user namespace in the container, rather than being relative to the host as it is when run rootful.