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by shykes
4696 days ago
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The big difference with just scripts is that you can "freeze" the state of your deployment with strong guarantees that 1) it will not change and 2) it will behave the same way across machines. Another advantage of containers is that deployment can be made atomic: either container A is running, or container B. You can't end up with a half-finished upgrade which leaves your server in an undefined, broken state. That property becomes very important when you deploy to a large number of servers. |
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