this post was submitted on 24 Nov 2023
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Literally why docker was invented
Yeah, it "solved" the "it works on my machine" by bundling the machine with the code.
https://youtu.be/0uixRE8xlbY
Man, I really was interested in that topic, but that guy really can't do talks.
What about this? https://youtu.be/5XY3K8DH55M
Also I created this repo to create a reproducible sec environment for myself. I added other languages, but personally work mostly with python. It is basically resonating for handling all the boiler plate:
https://github.com/takeda/nix-cde
For packaging in docker I started to use nix2container project as it gives me a greater control over layers. So for example when I package my phyton app I typically use 3 layers:
The algorithm mentioned in the video also helps a lot with reuse, but the above is more optimized by frequency of how things typically change.
BTW: today I discovered this https://github.com/astro/microvm.nix I haven't play with it yet, but in theory it would let me generate a microvm image (in similar fashion to generate a docker container) which would let me to run my app natively as a tiny VM on EC2 for example, and use only minimum necessary of a typical OS to run it.