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Add docs for podman specific compose file extensions
Signed-off-by: GnSight <ftyg@live.com>
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@ -65,3 +65,27 @@ In addition, podman-compose supports the following podman-specific values for `n
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The options to the network modes are passed to the `--network` option of the `podman create` command
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as-is.
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# Service management
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Podman-compose extends the compose specification to support some unique features of Podman. These extensions can be specified in the compose file under the "x-podman" field.
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Currently, podman-compose supports the following extensions:
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* `uidmap` - Run the container in a new user namespace using the supplied UID mapping.
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* `gidmap` - Run the container in a new user namespace using the supplied GID mapping.
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* `rootfs` - Run the container without requiring any image management; the rootfs of the container is assumed to be managed externally.
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For example, the following docker-compose.yml allows running a podman container with externally managed rootfs.
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```yml
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version: "3"
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services:
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my_service:
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command: ["/bin/busybox"]
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x-podman:
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rootfs: "/path/to/rootfs"
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```
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For explanations of these extensions, please refer to the [Podman Documentation](https://docs.podman.io/).
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