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What about docker-compose? We've recently started using it, and we don't see any problems; did your colleagues evaluate it?

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docker-compose is really straightforward to get running, even moreso with docker-machine, and it gives you dev/prod parity, but the downside is that there's not a built in way to do zero downtime deploys.

Actually with the new docker-compose version 3 you can do rolling updates[1]. 1. https://docs.docker.com/compose/compose-file/#/deploy

That doesn't suggest zero downtime though, no? Still needs an LB to know to stop routing to that host for a moment.

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