Is there a way to require all nodes run specific docker engine version? #45885
YuryHrytsuk
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No, there's no built-in constraint on version of the engine that's running, but you could probably handle this through node-labels, and use those for scheduling; https://docs.docker.com/engine/swarm/services/#placement-constraints In general, it's not recommended to run a mixed-version swarm cluster, and it's best to (after verifying in a test-environment before rolling out to production) update all nodes in the cluster to be on the same version. |
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This is to avoid bugs in case docker swarm orchestrates nodes that run different docker versions
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