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Docker and the docker-compose yaml files. They’ll be invaluable. Compose files allows you to create custom networking and run multiple containers.
Super useful and what most people use to run simple docker workloads.
You don’t have to understand how to create containers, just understand how they work and the commands to use them effectively.
I’ve done some reprehensible things, but I don’t think I’m a bad person. Bit of a short temper but I try be good to everyone and not hurt or use people like I was. But if karma existed, you would say I was a veritable Genghis Khan