docker swarm update
| Description | Update the swarm |
|---|---|
| Usage | docker swarm update [OPTIONS] |
Swarm This command works with the Swarm orchestrator.
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 | 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