this post was submitted on 23 Jun 2023
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On the flip side, if something goes wrong and your service is backwards compatible you can roll back without any more issues. If you allow downtime and backwards incompatible changes rollback can cause even more problems and result in far longer outages and lots of very stressed programmers.
You should always be able to roll back code changes. And zero downtime deployment are not that hard to do if you are already enforcing that.