mirror of https://github.com/docker/docs.git
engine: call out compose file format used by swarm
Signed-off-by: David Karlsson <david.karlsson@docker.com>
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> **Note**
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>
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> The `docker stack deploy` command uses the legacy
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> [Compose file version 3](/compose/compose-file/compose-file-v3/)
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> format, used by Compose V1. The latest format, defined by the
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> [Compose specification](/compose/compose-file/)
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> isn't compatible with the `docker stack deploy` command.
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>
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> For more information about the evolution of Compose, see
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> [History of Compose](/compose/history/).
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@ -8,8 +8,10 @@ When running Docker Engine in swarm mode, you can use `docker stack deploy` to
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deploy a complete application stack to the swarm. The `deploy` command accepts
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deploy a complete application stack to the swarm. The `deploy` command accepts
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a stack description in the form of a [Compose file](../../compose/compose-file/compose-file-v3.md).
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a stack description in the form of a [Compose file](../../compose/compose-file/compose-file-v3.md).
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The `docker stack deploy` command supports any Compose file of version "3.0" or
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{% include swarm-compose-compat.md %}
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above. If you have an older version, see the [upgrade guide](../../compose/compose-file/compose-versioning.md#upgrading).
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The `docker stack deploy` command supports any Compose file of version "3.x".
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If you have an older version, see the [upgrade guide](../../compose/compose-file/compose-versioning.md#upgrading).
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To run through this tutorial, you need:
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To run through this tutorial, you need:
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@ -28,6 +28,8 @@ Swarm never creates individual containers like we did in the previous step of th
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Let's write a simple stack file to run and manage our Todo app, the container `getting-started` image created in [Part 2](02_our_app.md) of the Quickstart tutorial. Place the following in a file called `bb-stack.yaml`:
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Let's write a simple stack file to run and manage our Todo app, the container `getting-started` image created in [Part 2](02_our_app.md) of the Quickstart tutorial. Place the following in a file called `bb-stack.yaml`:
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{% include swarm-compose-compat.md %}
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```yaml
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```yaml
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version: '3.7'
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version: '3.7'
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