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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-uid-map-user=user
Specifies that a UID 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/subuid file which correspond to the specified user.
Commands run when handling RUN instructions defaults to being run in
their own user namespaces, configured using the UID and GID maps.
If --userns-gid-map-group is specified, but --userns-uid-map-user is not specified, podman assumes that the specified group name is also a
suitable user 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.