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Cake day: October 21st, 2023

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  • Docker and Kubernetes are popular mostly because the industry has broadly given up on release engineering. This means applications/services can have different and conflicting dependencies, so the only way they can run on the same physical host is by putting each in their own containers or VM instances, each with their specific dependencies.

    The alternative is to have a platform with standard libraries, and to port applications to the platform, using the platform’s libraries as their dependencies, and thus avoid conflict. This requires effort and discipline, so of course it is not very popular, though it was the standard practice twenty years ago.

    As far as I know the only Linux distribution which still follows the platform approach is Slackware. Applications which are ported to Slackware are guaranteed to work well together without conflicts, but not a lot of applications have been thus ported (Slackware only has about two thousand official packages, in all).