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69 lines
2.9 KiB
Markdown
69 lines
2.9 KiB
Markdown
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<!--[metadata]>
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+++
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title = "service update"
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description = "The service update command description and usage"
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keywords = ["service, update"]
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[menu.main]
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parent = "smn_cli"
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+++
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<![end-metadata]-->
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**Warning:** this command is part of the Swarm management feature introduced in Docker 1.12, and might be subject to non backward-compatible changes.
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# service update
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```Markdown
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Usage: docker service update [OPTIONS] SERVICE
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Update a service
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Options:
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--arg value Service command args (default [])
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--command value Service command (default [])
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--constraint value Placement constraints (default [])
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--endpoint-mode string Endpoint mode(Valid values: VIP, DNSRR)
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-e, --env value Set environment variables (default [])
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--help Print usage
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--image string Service image tag
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-l, --label value Service labels (default [])
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--limit-cpu value Limit CPUs (default 0.000)
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--limit-memory value Limit Memory (default 0 B)
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--mode string Service mode (replicated or global) (default "replicated")
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-m, --mount value Attach a mount to the service
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--name string Service name
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--network value Network attachments (default [])
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-p, --publish value Publish a port as a node port (default [])
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--replicas value Number of tasks (default none)
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--reserve-cpu value Reserve CPUs (default 0.000)
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--reserve-memory value Reserve Memory (default 0 B)
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--restart-condition string Restart when condition is met (none, on_failure, or any)
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--restart-delay value Delay between restart attempts (default none)
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--restart-max-attempts value Maximum number of restarts before giving up (default none)
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--restart-window value Window used to evalulate the restart policy (default none)
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--stop-grace-period value Time to wait before force killing a container (default none)
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--update-delay duration Delay between updates
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--update-parallelism uint Maximum number of tasks updated simultaneously
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-u, --user string Username or UID
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-w, --workdir string Working directory inside the container
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```
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Updates a service as described by the specified parameters. This command has to be run targeting a manager node.
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The parameters are the same as [`docker service create`](service_create.md). Please look at the description there
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for further information.
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## Examples
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### Update a service
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```bash
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$ docker service update --limit-cpu 2 redis
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```
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## Related information
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* [service create](service_create.md)
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* [service inspect](service_inspect.md)
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* [service tasks](service_tasks.md)
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* [service ls](service_ls.md)
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* [service rm](service_rm.md)
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