docker swarm update
Description
Update the swarm
API 1.24+
The client and daemon API must both be at least
1.24
to use this command. Use the docker version command on the client to check
your client and daemon API versions.
Swarm This command works with the Swarm orchestrator.
Usage
$ docker swarm update [OPTIONS]
Extended 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.
For example uses of this command, refer to the examples section below.
Options
| Name, shorthand | 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
Parent command
| Command | Description |
|---|---|
| docker swarm | Manage Swarm |
Related commands
| Command | Description |
| docker swarm ca | Display and rotate the root CA |
| docker swarm init | Initialize a swarm |
| docker swarm join | Join a swarm as a node and/or manager |
| docker swarm join-token | Manage join tokens |
| docker swarm leave | Leave the swarm |
| docker swarm unlock | Unlock swarm |
| docker swarm unlock-key | Manage the unlock key |
| docker swarm update | Update the swarm |