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docs: document volume :z and :Z SELinux options #5140

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5 changes: 4 additions & 1 deletion docs/command-reference.md
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Expand Up @@ -292,7 +292,10 @@ Volume flags:
- :whale: option `rshared`, `rslave`, `rprivate`: Recursive "shared" / "slave" / "private" propagation
- :nerd_face: option `bind`: Not-recursively bind-mounted
- :nerd_face: option `rbind`: Recursively bind-mounted
- unimplemented options: `:z` and `:Z` (SELinux relabeling)
- :whale: option `z`: SELinux shared (multi-category) relabel of the volume content so it can be shared among containers
- :whale: option `Z`: SELinux private unshared relabel of the volume content for this container only
- Requires SELinux on the host and nerdctl started with `--selinux-enabled` (or `selinux_enabled = true` in `nerdctl.toml`).
- Example: `nerdctl run --rm -v /var/data:/data:Z --selinux-enabled IMAGE`
- :whale: `--tmpfs`: Mount a tmpfs directory, e.g. `--tmpfs /tmp:size=64m,exec`.
- :whale: `--mount`: Attach a filesystem mount to the container.
Consists of multiple key-value pairs, separated by commas and each
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