this post was submitted on 20 May 2024
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I feel this sort of endeavour is just a poorly researches attempt at reinventing the wheel. Packaging formats such as Debian's .DEB format consist basically of the directory tree structure to be deployed archived with Zip along with a couple of metadata files. It's not rocket science. In contrast, these tricks sound like overcomplicated hacks.
Author here. In case it’s not clear, this article isn't about installing Linux packages; it's about deploying multiple versions of software to development and production environments.
What do you think a package is used for? I mean, what do you think "delivery" in "continuous delivery" means, and what's it's relationship with the deployment stage?
Again, a cursory search for the topic would stop you from wasting time trying to reinvent the wheel.
https://wiki.debian.org/DebianAlternatives
Deviam packages support pre and post install scripts. You can also bundle a systemd service with your Deb packages. You can install multiple alternatives of the same package and have Debian switch between them seemlessly. All this is already available by default for over a decade.
Seriously, why the negative tone? If I've offended you, I'm sorry. You might think that I'm wasting time, but there are multiple ways to skin a cat. I prefer not to use DEB packages for deployment, though others might.