docker swarm update
Update the swarm
Swarm This command works with the Swarm orchestrator.
Usage
docker swarm update [OPTIONS]
Description
Updates a swarm with new parameter values.
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.
Options
| Option | Short | Default | Description |
|---|---|---|---|
--autolock | Change manager autolocking setting (true|false) | ||
--cert-expiry | 2160h0m0s | Validity period for node certificates (ns|us|ms|s|m|h) | |
--dispatcher-heartbeat | 5s | Dispatcher heartbeat period (ns|us|ms|s|m|h) | |
--external-ca | Specifications of one or more certificate signing endpoints | ||
--max-snapshots | API 1.25+ Number of additional Raft snapshots to retain | ||
--snapshot-interval | 10000 | API 1.25+ Number of log entries between Raft snapshots | |
--task-history-limit | 5 | Task history retention limit |
Examples
$ docker swarm update --cert-expiry 720h