How do I upgrade a node in Docker Swarm?
To upgrade a node in Docker Swarm, you can use the command docker node update --availability drain <node-name>
to prepare the node for upgrade.
What should I do after draining the node?
After draining the node, you can perform the upgrade using your package manager or by pulling a new Docker image, depending on your setup.
How do I check the status of the node after the upgrade?
You can check the status of the node by running docker node ls
to see if it is back to 'active' state.
Is there a way to automate this process?
Yes, you can use scripts or orchestration tools like Ansible to automate the upgrade process for your Docker Swarm nodes.
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