fb75774a43
Related to: https://github.com/containers/podman/issues/28684 Signed-off-by: Jan Rodák <hony.com@seznam.cz>
1.2 KiB
####> This option file is used in: ####> podman podman-container.unit.5.md.in, create, run ####> If file is edited, make sure the changes ####> are applicable to all of those. << if is_quadlet >>
Tmpfs=
<< else >>
--tmpfs=fs
<< endif >>
Create a tmpfs mount.
Mount a temporary filesystem (tmpfs) mount into a container, for example:
$ podman <<subcommand>> -d --tmpfs /tmp:rw,size=787448k,mode=1777 my_image
This command mounts a tmpfs at /tmp within the container. The supported mount options are the same as the Linux default mount flags. If no options are specified, the system uses the following options: rw,noexec,nosuid,nodev.
By default, Podman enables tmpcopyup on tmpfs mounts, which copies the contents of the underlying image directory into the tmpfs before mounting it. This also applies when the tmpfs destination is inside a volume or bind mount: files from the parent mount are copied into the tmpfs, so the parent content remains visible. To mount an empty tmpfs that shadows a parent mount's subtree, use the notmpcopyup option:
$ podman <<subcommand>> --volume myvolume:/data --tmpfs /data/sub:notmpcopyup my_image