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Configuring CA Settings and the Cluster Store

Explore how to configure the Docker Swarm Certificate Authority, including certificate rotation and external CA integration. Understand the role of the cluster store in managing swarm configuration, state, and security features. Gain practical knowledge for maintaining secure and resilient Docker Swarm clusters.

Swarm Certificate Authority (CA) configuration

You can use the docker swarm update command to configure the certificate rotation period. The following example changes it to 30 days.

$ docker swarm update --cert-expiry 720h
Setting certificate expiration duration
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