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"conversations have led us to the conclusion that our customers want continued support of Swarm without an implied end date."

https://www.mirantis.com/blog/mirantis-will-continue-to-supp...

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No matter what they claim, it's really not supported in the sense most commercial oss projects are. We finally switched off after a minor version introduced a segfault when adding nodes in certain conditions, and the issue was unfixed after 5 months.

This. Docker Swarm, and by extension Docker EE / UCP, is barely in maintenance mode. Go compare the Moby and docker projects on GitHub vs kubernetes.

To be clear, I use Docker Swarm in my home cluster due to simplicity and ease of use. Unfortunately that pattern hasn't scaled to the Enterprise.

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