Docker Stack Deploy and Compose File Versions

1st chunk of `content/includes/swarm-compose-compat.md`

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> [!NOTE]
>
> The `docker stack deploy` command uses the legacy
> [Compose file version 3](/reference/compose-file/legacy-versions/)
> format, used by Compose V1. The latest format, defined by the
> [Compose specification](/reference/compose-file/)
> isn't compatible with the `docker stack deploy` command.
>
> For more information about the evolution of Compose, see
> [History of Compose](/compose/history/).

Title: Docker Stack Deploy and Compose File Versions

Summary

The `docker stack deploy` command utilizes the older Compose file version 3 format, which is not compatible with the latest Compose specification. Refer to the Compose documentation for details on the evolution and history of Compose.