Or you can read books if you can learn fast with that. Look up author Nigel Poulton. He has 2 books - one on Docker & one on Kubernetes. Grab the latest version.
I avoided docker for a decade only to learn it in 2 hours. It is really simple. I also tweeted this recently which I think is accurate but I probably don't know what I'm talking about -> https://twitter.com/deadcoder0904/status/1756606191227273648