Update single manager swarm manager node

Docker Engine Swarm
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1

Hello,

I have a little 5 nodes with a single manager Swarm cluster.

Manager is running docker 20.10.7
Worker nodes are running docker 24.0.6

The manager node is running traefik as the reverse proxy for the whole cluster and some various tools like portainer, a docker registry, …

I know the manager node can be restarted (because we did that once to change it’s configuration and it worked)

May I update (simply by running apt-get update) this manager node ?

Thank you very much, regards,

–
Pierrre Y.

2

Why not? But depending on a restart of Docker or the network stack you might experience a short service interruption.

3

I’m ok with a service interruption in this case.
Thank you.