List stacks
$ docker stack ls [OPTIONS]
Refer to the options section for an overview of available OPTIONS for this command.
Lists the stacks.
Note
This is a cluster management command, and must be executed on a swarm manager node. To learn about managers and workers, refer to the Swarm mode section in the documentation.
For example uses of this command, refer to the examples section below.
| Name, shorthand | Default | Description | 
| --all-namespaces | deprecatedKubernetes List stacks from all Kubernetes namespaces | |
| --format | Pretty-print stacks using a Go template | |
| --namespace | deprecatedKubernetes Kubernetes namespaces to use | |
| --kubeconfig | deprecatedKubernetes Kubernetes config file | |
| --orchestrator | deprecated Orchestrator to use (swarm|kubernetes|all) | 
The following command shows all stacks and some additional information:
$ docker stack ls
ID                 SERVICES            ORCHESTRATOR
myapp              2                   Kubernetes
vossibility-stack  6                   Swarm
The formatting option (--format) pretty-prints stacks using a Go template.
Valid placeholders for the Go template are listed below:
| Placeholder | Description | 
|---|---|
| .Name | Stack name | 
| .Services | Number of services | 
| .Orchestrator | Orchestrator name | 
| .Namespace | Namespace | 
When using the --format option, the stack ls command either outputs the data exactly as the template declares or, when using the table directive, includes column headers as well.
The following example uses a template without headers and outputs the Name and Services entries separated by a colon (:) for all stacks:
$ docker stack ls --format "{{.Name}}: {{.Services}}"
web-server: 1
web-cache: 4
| Command | Description | 
|---|---|
| docker stack | Manage Docker stacks | 
| Command | Description | 
| docker stack deploy | Deploy a new stack or update an existing stack | 
| docker stack ls | List stacks | 
| docker stack ps | List the tasks in the stack | 
| docker stack rm | Remove one or more stacks | 
| docker stack services | List the services in the stack | 
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    https://docs.docker.com/engine/reference/commandline/stack_ls/