Freecodecamp is my goto channel when I want to learn some tech in Binge watch mode - https://www.youtube.com/watch?v=kTp5xUtcalw

TutorialsPoint has a structured curriculum - https://www.tutorialspoint.com/docker/index.htm

Udemy Course - https://www.udemy.com/course/docker-and-kubernetes-the-complete-guide/?LSNPUBID=JVFxdTr9V80&ranEAID=JVFxdTr9V80&ranMID=39197&ranSiteID=JVFxdTr9V80-VPK98UAliR0uq80ibe3VMw&utm_medium=udemyads&utm_source=aff-campaign

https://www.udemy.com/course/containers-101/?LSNPUBID=JVFxdTr9V80&ranEAID=JVFxdTr9V80&ranMID=39197&ranSiteID=JVFxdTr9V80-jX75GteCQLlFA8XkHSHIeg&utm_medium=udemyads&utm_source=aff-campaign

Educative.io - https://www.educative.io/courses/practical-guide-to-kubernetes?affiliate_id=5073518643380224