docker swarm update

DescriptionUpdate the swarm
Usagedocker 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

OptionDefaultDescription
--autolockChange manager autolocking setting (true|false)
--cert-expiry2160h0m0sValidity period for node certificates (ns|us|ms|s|m|h)
--dispatcher-heartbeat5sDispatcher heartbeat period (ns|us|ms|s|m|h)
--external-caSpecifications of one or more certificate signing endpoints
--max-snapshotsAPI 1.25+ Number of additional Raft snapshots to retain
--snapshot-interval10000API 1.25+ Number of log entries between Raft snapshots
--task-history-limit5Task history retention limit

Examples

$ docker swarm update --cert-expiry 720h